APILayer Unified Suite is now Live! 🎉 🥳
APILayer unified suite allows you to integrate production-grade REST APIs using One Account, One Dashboard, and One API key. Whether you need to geocode an address, validate an email, fetch a flight, pull stock market data, or scrape a search result.
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APIs Covered Under APILayer Suite!
- IPstack
- Mediastack
- Aviationstack
- Positionstack
- Mediastack
- Mailboxlayer
- Countrylayer
- Serpstack
- Scrapestack
Try Public APIs for free
The Public APIs repository is manually curated by community members like you and folks working at APILayer. It includes an extensive list of public APIs from many domains that you can use for your own products. Consider it a treasure trove of APIs well-managed by the community over the years.
APILayer is the fastest way to integrate APIs into any product. Explore APILayer APIs here for your next project.
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APILayer APIs
| API | Description | Call this API |
|---|---|---|
| IPstack | Locate and Identify Website Visitors by IP Address | |
| Marketstack | Free, easy-to-use REST API interface delivering worldwide stock market data in JSON format | |
| Weatherstack | Retrieve instant, accurate weather information for any location in the world in lightweight JSON format | |
| Numverify | Global Phone Number Validation & Lookup JSON API | |
| Fixer | Fixer is a simple and lightweight API for current and historical foreign exchange (forex) rates. | |
| Aviationstack | Free, real-time flight status and global Aviation data API | |
| Zenserp | Fast, Accurate Google Search Data Built for Developers | |
| Filestack | Powerful API to upload, transform & deliver any file into your app | Documentation |
| Screenshotlayer | Capture highly customizable screenshots of any website | Documentation |
| Exchangerate Host | Real-time current and historical foreign exchange and crypto rates | Documentation |
| Mailboxlayer | Email Validation & Verification JSON API for Developers | Documentation |
MCP Servers
Model Context Protocol servers let AI agents call APIs as tools. You install one into a client, Claude, Cursor, VS Code, instead of calling it from your own code, so these entries list transport and where you can install them rather than HTTPS/CORS.
| Name | Description | Auth | Transport | Install |
|---|---|---|---|---|
| IPstack MCP | IP geolocation, threat and timezone lookups for agents | apiKey | stdio, HTTP | Cursor · Glama |
| Agent Nexus | Find agent-callable APIs, MCP servers and CLIs by capability, with live health and uptime data | No | HTTP | Glama |
| BlockVectra | Blockchain RPC and indexed data; keyless documentation and chain discovery | apiKey | stdio, HTTP | – |
| Catastro GPS | Cadastral parcels in 29 European countries by reference, point or address | apiKey | stdio | Glama |
| ContextFetch | Web search and any page as Markdown pruned to the query, plus research, crawl and site maps | No | stdio, HTTP | Glama |
| corpusAI Cloud Pricing | Cloud, GPU and LLM token prices for agents, free discovery tools and paid per-call data | No | stdio, HTTP | npm · MCP Registry |
| Council of AI | Read a signed AI measurement board and verify its signed records and Merkle proofs | No | HTTP | Glama |
| CoworkingView | Search coworking spaces, private offices and operator-published prices in 70+ cities | No | HTTP | – |
| crawlbrulee | EU-native web scraping for AI agents & developers: turn any page into markdown, screenshots and more | apiKey | stdio | npm · MCP Registry · Glama |
| Data and APIs | Search, read and call 125+ data APIs: sanctions, barcodes, IP intelligence, companies, holidays | apiKey | HTTP | – |
| Edgepedia | Search and read Edgepedia, a free and growing encyclopedia with citations | No | HTTP | Glama |
| Filesystem | Read/write local files | No | stdio | – |
| FindIP MCP | IP lookups and FindIP Shield risky-event checks for agents | apiKey | stdio | Glama · MCP Registry |
| Git | Read, search, diff, and commit to local Git repositories | No | stdio | – |
| GitHub | Repos, issues, PRs, code search | OAuth | stdio, HTTP | Glama |
| iGaming Tools | Online slot specs, RTP variants, providers, regulators, news, jobs and search demand | No | HTTP | – |
| IndiaInsurances | Indian insurance policy wordings read clause by clause, with verbatim quotes | No | HTTP | – |
| InjectScan | Scores text, web pages and MCP tool definitions for prompt injection with deterministic rules | No | stdio, HTTP | Glama · MCP Registry |
| Kuro | Create AI images, video clips, voice-overs, music and editable storyboard films | OAuth | HTTP | – |
| LucyESL | English-teaching jobs in South Korea with pay, hours and housing as facts, plus salary statistics | No | HTTP | Anthropic · Glama · MCP Registry |
| Master Setter | Pokémon TCG cards, sets and printings in 14 languages, searchable by name in any language | apiKey | HTTP | Glama · MCP Registry |
| Monocrawl | Public posts, profiles, comments and products from 70+ social, shopping and search platforms | apiKey | stdio, HTTP | Glama |
| OpenApps | Rankings, launches and featuring across the ChatGPT, Claude, Cursor and Grok Bot app stores | No | HTTP | – |
| Openpath | US job listings and local businesses for agents, with apply links and owner inboxes | No | HTTP | Anthropic · Glama · Smithery |
| OpenSwissData | Swiss customs tariff (TARES), FINMA register and warnings, NOGA/NACE/ISIC code crosswalks | No | stdio, HTTP | Glama |
| PourWire | New US liquor license filings: restaurants and bars about to open in 7 metros, plus metro stats | No | HTTP | Glama · MCP Registry |
| Refnusa | Indonesian holidays, wages, regions, postal codes, tax, food prices and NIK/plate checks (31 tools) | No | HTTP | Glama |
| RegSentry | Inspect authorized static tracking signals and review supplied consent evidence | No | HTTP | Glama |
| Requstory | Map how a company works, who owns each process, and which steps AI agents can run | No | HTTP | – |
| Scalekit | Manage auth for AI agents and MCP servers: environments, orgs, users, SSO connections and roles | OAuth | stdio, HTTP | Glama |
| ShapelessAI | Write, schedule and publish social posts, carousels and short video to 8 networks | OAuth | stdio, HTTP | Cursor · Glama |
| Silicon Floor | Who owns AI and chip stocks, what insiders sell, how fast they grow: answers from SEC filings | No | HTTP | Anthropic · Glama |
| SkyAccess | Search 5,000+ live empty leg flights, get charter price estimates and booking links | No | HTTP | Cursor · Glama |
| TextKit | Send and receive SMS, verify phones and buy US and Canada numbers from an agent | OAuth | HTTP | MCP Registry |
| Toolalize | Unit and live currency conversion tools for agents, no key needed | No | HTTP | Glama · MCP Registry |
| Twinbay | Spin up stateful API twins, read request logs and grade agent runs | OAuth | HTTP | – |
| US Recalls | Check US recalls from 9 agencies by UPC, model, NDC, lot or VIN; 4 read-only tools | apiKey | HTTP | Glama · MCP Registry |
| Vitalityfit | Cheapest offers for health products from German online shops and pharmacies by name, PZN or EAN | No | HTTP | MCP Registry |
| Vuntum | Sourced, dated data on consumer robots and physical AI: specs, prices, evidence | No | HTTP | Glama |
| XposedOrNot | Check an email against known data breaches, read its breach history and get domain breach counts | No | HTTP | Cursor · Glama |
Maintain an open-source MCP server? Add it.
Learn more about Public APIs
Prefer a website? Browse this list at publicapis.lol
Everything in this README, rebuilt as a searchable site. It's the official home of public-apis: 2,000+ free APIs in 50+ categories, synced from this repo and tested daily.
- Browse the directory: every category, featured picks and the latest from the blog
- Search and filter every API by auth, HTTPS and CORS
- APIs with no key: call them right now, no sign-up
- Live status: which APIs are up, slow or down today
- MCP servers for AI agents
- Free developer tools: JSON formatter, JWT decoder, cURL converter and more
- Blog: tutorials and roundups built on the APIs in this list
- Can't decide? Get a random API 🎲
Get Involved
Index
- Animals
- Anime
- Anti-Malware
- Art & Design
- Authentication & Authorization
- Blockchain
- Books
- Business
- Calendar
- Cloud Storage & File Sharing
- Continuous Integration
- Cryptocurrency
- Currency Exchange
- Data Validation
- Development
- Dictionaries
- Documents & Productivity
- Entertainment
- Environment
- Events
- Finance
- Food & Drink
- Games & Comics
- Geocoding
- Government
- Health
- Jobs
- Machine Learning
- Music
- News
- Open Data
- Open Source Projects
- Patent
- Personality
- Phone
- Photography
- Programming
- Science & Math
- Security
- Shopping
- Social
- Sports & Fitness
- Test Data
- Text Analysis
- Tracking
- Transportation
- URL Shorteners
- Vehicle
- Video
- Weather
Animals
| API | Description | Auth | HTTPS | CORS |
|---|---|---|---|---|
| Axolotl | Collection of axolotl pictures and facts | No | Yes | No |
| Breed Health Score | Dog breed health scores, median lifespans and conditions | No | Yes | No |
| Cat Facts | Daily cat facts | No | Yes | No |
| Cat Facts | Random cat facts | No | Yes | Yes |
| Cats | Pictures of cats from Tumblr | apiKey | Yes | No |
| Dog Facts | Random dog facts | No | Yes | Yes |
| Dog Facts | Random facts of Dogs | No | Yes | Yes |
| Dogs | Based on the Stanford Dogs Dataset | No | Yes | Yes |
| eBird | Retrieve recent or notable birding observations within a region | apiKey | Yes | No |
| FishWatch | Information and pictures about individual fish species | No | Yes | Yes |
| HTTP Cat | Cat for every HTTP Status | No | Yes | Yes |
| HTTP Dog | Dogs for every HTTP response status code | No | Yes | Yes |
| IUCN | IUCN Red List of Threatened Species | apiKey | Yes | No |
| MeowFacts | Get random cat facts | No | Yes | No |
| Movebank | Movement and Migration data of animals | No | Yes | Yes |
| PlaceBear | Placeholder bear pictures | No | Yes | Yes |
| PlaceDog | Placeholder Dog pictures | No | Yes | Yes |
| RandomDog | Random pictures of dogs | No | Yes | Yes |
| RandomDuck | Random pictures of ducks | No | Yes | No |
| RandomFox | Random pictures of foxes | No | Yes | No |
| RescueGroups | Adoption | No | Yes | Unknown |
| Shibe.Online | Random pictures of Shiba Inu, cats or birds | No | Yes | Yes |
| The Dog | A public service all about Dogs, free to use when making your fancy new App, Website or Service | apiKey | Yes | No |
| xeno-canto | Bird recordings | No | Yes | Unknown |
Anime
| API | Description | Auth | HTTPS | CORS |
|---|---|---|---|---|
| AniAPI | Anime discovery, streaming & syncing with trackers | OAuth | Yes | Yes |
| AniDB | Anime Database | apiKey | No | Unknown |
| AniList | Anime discovery & tracking | OAuth | Yes | Unknown |
| AnimeChan | Anime quotes (over 10k+) | No | Yes | No |
| AnimeFacts | Anime Facts (over 100+) | No | Yes | Yes |
| AnimeNewsNetwork | Anime industry news | No | Yes | Yes |
| Catboy | Neko images, funny GIFs & more | No | Yes | Yes |
| Danbooru Anime | Thousands of anime artist database to find good anime art | apiKey | Yes | Yes |
| Jikan | Unofficial MyAnimeList API | No | Yes | Yes |
| Kitsu | Anime discovery platform | OAuth | Yes | Yes |
| MangaDex | Manga Database and Community | apiKey | Yes | Unknown |
| Mangapi | Translate manga pages from one language to another | apiKey | Yes | Unknown |
| MangaUpdates | Manga database: series, releases, groups and reading lists | No | Yes | Unknown |
| MyAnimeList | Anime and Manga Database and Community | OAuth | Yes | Unknown |
| NekosBest | Neko Images & Anime roleplaying GIFs | No | Yes | Yes |
| Shikimori | Anime discovery, tracking, forum, rates | OAuth | Yes | Unknown |
| Studio Ghibli | Resources from Studio Ghibli films | No | Yes | Yes |
| Trace Moe | A useful tool to get the exact scene of an anime from a screenshot | No | Yes | Yes |
| Waifu.im | Get waifu pictures from an archive of over 4000 images and multiple tags | No | Yes | Yes |
| Waifu.pics | Image sharing platform for anime images | No | Yes | No |
Anti-Malware
| API | Description | Auth | HTTPS | CORS |
|---|---|---|---|---|
| AbuseIPDB | IP/domain/URL reputation | apiKey | Yes | Unknown |
| AlienVault Open Threat Exchange (OTX) | IP/domain/URL reputation | apiKey | Yes | Unknown |
| CAPEsandbox | Malware execution and analysis | apiKey | Yes | Unknown |
| Google Safe Browsing | Google Link/Domain Flagging | apiKey | Yes | Unknown |
| IPWhois.net Blacklist | Community IP blacklist to check and report abusive IP addresses | No | Yes | Unknown |
| MalDatabase | Provide malware datasets and threat intelligence feeds | apiKey | Yes | Unknown |
| MalShare | Malware Archive / file sourcing | apiKey | Yes | No |
| Malwagon | Detonates files and URLs in instrumented VMs and returns behaviour, IOCs and ATT&CK | apiKey | Yes | Unknown |
| MalwareBazaar | Collect and share malware samples | apiKey | Yes | Unknown |
| NoPhishy | Check links to see if they're known phishing attempts | apiKey | Yes | Yes |
| Phisherman | IP/domain/URL reputation | apiKey | Yes | Unknown |
| Scanii | Simple REST API that can scan submitted documents/files for the presence of threats | apiKey | Yes | Yes |
| ScanMalware | Scan URLs in a sandboxed browser and search past scans by domain, IP, ASN, JARM or favicon hash | No | Yes | Yes |
| URLhaus | Bulk queries and Download Malware Samples | No | Yes | Yes |
| URLScan.io | Scan and Analyse URLs | apiKey | Yes | Unknown |
| VirusTotal | VirusTotal File/URL Analysis | apiKey | Yes | Unknown |
| Web of Trust | IP/domain/URL reputation | apiKey | Yes | Unknown |
Art & Design
| API | Description | Auth | HTTPS | CORS |
|---|---|---|---|---|
| 3DTexel | Search free CC0 PBR materials, HDRIs, decals and 3D models for games | No | Yes | Yes |
| Améthyste | Generate images for Discord users | apiKey | Yes | Unknown |
| Art Institute of Chicago | Art | No | Yes | Yes |
| Colormind | Color scheme generator | No | No | Unknown |
| ColourLovers | Get various patterns, palettes and images | No | No | Unknown |
| Cooper Hewitt | Smithsonian Design Museum | apiKey | Yes | Unknown |
| Dribbble | Discover the world’s top designers & creatives | OAuth | Yes | Unknown |
| DummyImage | Generate placeholder images with custom size, colors and text | No | Yes | Unknown |
| EmojiHub | Get emojis by categories and groups | No | Yes | Yes |
| Europeana | European Museum and Galleries content | apiKey | Yes | Unknown |
| Face Shape Guide Lookup | Read-only lookup for published face-shape guide records | No | Yes | Yes |
| Favicondl | Get any website's favicon by URL (SVG/PNG/ICO), with JSON metadata and fallbacks | No | Yes | Yes |
| Harvard Art Museums | Art | apiKey | No | Unknown |
| Icon Horse | Favicons for any website, with fallbacks | No | Yes | Yes |
| Iconfinder | Icons | apiKey | Yes | Unknown |
| Iconify | Search and fetch SVG icons from 200+ open source icon sets | No | Yes | Yes |
| Icons8 | Icons (find "search icon" hyperlink in page) | No | Yes | Unknown |
| Lordicon | Icons with predone Animations | No | Yes | Yes |
| Metropolitan Museum of Art | Met Museum of Art | No | Yes | No |
| Noun Project | Icons | OAuth | No | Unknown |
| Paint Color HQ | Closest real paint colors across 13 brands for any hex value, scored with CIEDE2000 | No | Yes | Yes |
| PHP-Noise | Noise Background Image Generator | No | Yes | Yes |
| pic2svg | Trace raster images to SVG with a free daily allowance | No | Yes | No |
| PickShade | Convert colors, check WCAG and APCA contrast, build palettes, gradients and tokens | No | Yes | Yes |
| Pixel Encounter | SVG Icon Generator | No | Yes | No |
| raFont | 1,500+ free downloadable fonts with categories, tags and preview images | No | Yes | Yes |
| Rijksmuseum | RijksMuseum Data | apiKey | Yes | Unknown |
| Smithsonian Open Access | Smithsonian collection metadata and open-access digital media | apiKey | Yes | Unknown |
| The Color API | Convert and generate color schemes | No | Yes | Yes |
| Thisispaper | Curated architecture, design, photography and art projects with visual-similarity and taste metadata | apiKey | Yes | Yes |
| UpRes | AI image upscaling to 8K with 18 models (Real-ESRGAN, SeedVR2, AuraSR) | apiKey | Yes | Yes |
| Text-till-Kladdesign | AI fashion design generator — transform Swedish text into clothing concepts | apiKey | Yes | Yes |
| Word Cloud | Easily create word clouds | apiKey | Yes | Unknown |
Authentication & Authorization
| API | Description | Auth | HTTPS | CORS |
|---|---|---|---|---|
| Auth0 | Easy to implement, adaptable authentication and authorization platform | apiKey | Yes | Yes |
| GetOTP | Implement OTP flow quickly | apiKey | Yes | No |
| MojoAuth | Secure and modern passwordless authentication platform | apiKey | Yes | Yes |
| SAWO Labs | Simplify login and improve user experience by integrating passwordless authentication in your app | apiKey | Yes | Yes |
| Stytch | User infrastructure for modern applications | apiKey | Yes | No |
| Warrant | APIs for authorization and access control | apiKey | Yes | Yes |
Blockchain
| API | Description | Auth | HTTPS | CORS |
|---|---|---|---|---|
| Bitquery | Onchain GraphQL APIs & DEX APIs | apiKey | Yes | Yes |
| Blockscout | Multichain block explorer REST API (with Etherscan-compatible JSON-RPC) | apiKey | Yes | No |
| Chainlink | Build hybrid smart contracts with Chainlink | No | Yes | Unknown |
| Chainpoint | Chainpoint is a global network for anchoring data to the Bitcoin blockchain | No | Yes | Unknown |
| ClearTrace | Cross-frontend DEX attribution and execution quality data across Ethereum and L2s | No | Yes | Yes |
| Covalent | Multi-blockchain data aggregator platform | apiKey | Yes | Unknown |
| Dwellir | RPC endpoints for 150+ blockchain networks, including Ethereum, Solana, Polkadot and Hyperliquid | apiKey | Yes | Yes |
| Etherscan | Ethereum explorer API | apiKey | Yes | Yes |
| Get Started with Web3 | Bilingual Web3 lessons, glossary search and role-based learning paths | No | Yes | Yes |
| Helium | Helium is a global, distributed network of Hotspots that create public, long-range wireless coverage | No | Yes | Unknown |
| HEY Research Lab | Builder activity for Robinhood Chain tokens and projects: who is shipping, each ship with its source | No | Yes | Yes |
| MELEK | Graphene social blockchain (Steem family) with a keyless condenser_api JSON-RPC | No | Yes | Yes |
| Nownodes | Blockchain-as-a-service solution that provides high-quality connection via API | apiKey | Yes | Unknown |
| Steem | Blockchain-based blogging and social media website | No | No | No |
| SwiftNodes | Multi-chain blockchain RPC nodes (Ethereum, Solana and 75+ networks) | apiKey | Yes | Yes |
| TWZRD Agent Intel | Solana on-chain agent trust scoring via MCP; 4 free tools to score, resolve and verify AI agent wallets | No | Yes | Yes |
| The Graph | Indexing protocol for querying networks like Ethereum with GraphQL | apiKey | Yes | Unknown |
| Walltime | To retrieve Walltime's market info | No | Yes | Unknown |
| Watchdata | Provide simple and reliable API access to Ethereum blockchain | apiKey | Yes | Unknown |
Books
| API | Description | Auth | HTTPS | CORS |
|---|---|---|---|---|
| A Bíblia Digital | Do not worry about managing the multiple versions of the Bible | apiKey | Yes | No |
| Amanah Sunnah | Semantic search across Quran, Hadith, Tafsir & 18K+ Rijal narrators | apiKey | Yes | Yes |
| Bhagavad Gita | Open Source Shrimad Bhagavad Gita API including 21+ authors translation in Sanskrit/English/Hindi | apiKey | Yes | Yes |
| Bhagavad Gita telugu | Bhagavad Gita API in telugu and odia languages | No | Yes | Yes |
| Bible-api | Free Bible API with multiple languages | No | Yes | Yes |
| BookRank | Book rankings from open reader ratings: books, series, reading orders and authors | No | Yes | Yes |
| British National Bibliography | Books | No | No | Unknown |
| Crossref Metadata Search | Books & Articles Metadata | No | Yes | Unknown |
| Ganjoor | Classic Persian poetry works including access to related manuscripts, recitations and music tracks | OAuth | Yes | Yes |
| Google Books | Books | OAuth | Yes | Unknown |
| Greenlit Books | Catalog of practical AI books with search, series, glossary and a claim ledger | No | Yes | Yes |
| GurbaniNow | Fast and Accurate Gurbani RESTful API | No | Yes | Unknown |
| Gutendex | Web-API for fetching data from Project Gutenberg Books Library | No | Yes | Unknown |
| KDP Intelligence | KDP niche demand scores, competition analysis and revenue estimates | No | Yes | Yes |
| Open Library | Books, book covers and related data | No | Yes | No |
| Penguin Publishing | Books, book covers and related data | No | Yes | Yes |
| PoetryDB | Enables you to get instant data from our vast poetry collection | No | Yes | Yes |
| Quran | RESTful Quran API with multiple languages | No | Yes | Yes |
| Quran Cloud | A RESTful Quran API to retrieve an Ayah, Surah, Juz or the entire Holy Quran | No | Yes | Yes |
| Quran-api | Free Quran API Service with 90+ different languages and 400+ translations | No | Yes | Yes |
| Runyankole Bible | Free REST API for the Runyankore-Rukiga Bible — 66 books, 31106 verses | No | Yes | Yes |
| The Bible | Everything you need from the Bible in one discoverable place | apiKey | Yes | Unknown |
| Thirukkural | 1330 Thirukkural poems and explanation in Tamil and English | No | Yes | Yes |
| Urantia Papers | Full-text + semantic search across the Urantia Papers, with audio narration, entities, translations | No | Yes | Yes |
| Wizard World | Get information from the Harry Potter universe | No | Yes | Yes |
| Wolne Lektury | API for obtaining information about e-books available on the WolneLektury.pl website | No | Yes | Unknown |
Business
| API | Description | Auth | HTTPS | CORS |
|---|---|---|---|---|
| Apache Superset | API to manage your BI dashboards and data sources on Superset | apiKey | Yes | Yes |
| Charity Search | Non-profit charity data | apiKey | No | Unknown |
| Clearbit Logo | Search for company logos and embed them in your projects | apiKey | Yes | Unknown |
| Compabase | Polish company data: 3M+ KRS and CEIDG entities with financial statements, people and rankings | apiKey | Yes | Unknown |
| Company Enrichment | Domain, URL or email to company name, industry, size, HQ, tickers and socials, 125k companies | apiKey | Yes | No |
| Crustdata | People and company data covering profiles, headcount, funding and contacts | apiKey | Yes | Unknown |
| Domainsdb.info | Registered Domain Names Search | No | Yes | No |
| EuroValidate | EU VAT (VIES), IBAN and EORI validation with company name & address lookup | apiKey | Yes | Yes |
| Firmbase | Belgian company register (KBO/CBE), Official Gazette notices and VAT validation | apiKey | Yes | Yes |
| Freelancer | Hire freelancers to get work done | OAuth | Yes | Unknown |
| Funding Signals | Companies that just raised funding, scored as sales leads, from public SEC filings | apiKey | Yes | No |
| GlobalEntity | Official company data from 56 European business registers as normalized JSON | apiKey | Yes | Yes |
| Gmail | Flexible, RESTful access to the user's inbox | OAuth | Yes | Unknown |
| Google Analytics | Collect, configure and analyze your data to reach the right audience | OAuth | Yes | Unknown |
| gstinapi | Verify Indian GST numbers (GSTIN): legal name, status, address and return filing history; free tier | apiKey | Yes | No |
| Instatus | Post to and update maintenance and incidents on your status page through an HTTP REST API | apiKey | Yes | Unknown |
| InvoiceIn | Parse and validate received e-invoices: XRechnung, ZUGFeRD, Peppol, FatturaPA, KSeF | apiKey | Yes | Yes |
| Invovate | Generate PDF, JSON & UBL invoices in 11 languages from one JSON POST | apiKey | Yes | No |
| Katalis | UK company checks: payment practices, contracts won, registers, filed accounts, change feed | apiKey | Yes | No |
| KontragentPro | Russian company data from state registers by INN or OGRN: profile, finances, timeline | No | Yes | Yes |
| Leadgen Romania | Romanian company registry, ANAF tax status and financial statements | apiKey | Yes | Yes |
| Legal Sandbox Georgia | Find verified legal specialists in Georgia from natural-language queries | No | Yes | Yes |
| Logoapi | Free SVG company logos by domain, plus search by name. No signup | No | Yes | Yes |
| Mailchimp | Send marketing campaigns and transactional mails | apiKey | Yes | Unknown |
| mailjet | Marketing email can be sent and mail templates made in MJML or HTML can be sent using API | apiKey | Yes | Unknown |
| markerapi | Trademark Search | No | No | Unknown |
| Meirra | SEO monitoring, email verification, lead generation, and marketing analytics | apiKey | Yes | Yes |
| ORB Intelligence | Company lookup | apiKey | Yes | Unknown |
| PeopleSearch | People and company search in plain English, with verified work emails and email verification | apiKey | Yes | No |
| Pick an Agency | Search 47,000+ marketing agencies by service, location and rating | No | Yes | Yes |
| RankFabrik Places | Search businesses and points of interest by city, deduplicated with a coverage report | apiKey | Yes | Unknown |
| Redash | Access your queries and dashboards on Redash | apiKey | Yes | Yes |
| RegisterWire | Real-time alerts on UK company register changes | apiKey | Yes | No |
| Requstory | How companies work: teams, processes, ease scores and AI-readiness from public websites | apiKey | Yes | Yes |
| RunDossier | Pre-meeting briefing on a person from public professional and web sources, as JSON | apiKey | Yes | No |
| Seller Fee | Marketplace and payment fees for Gumroad, Etsy, Stripe and PayPal with net payout breakdowns | No | Yes | Yes |
| Signaliz | GTM enrichment, lead generation, email verification, and company signals | apiKey | Yes | Unknown |
| Smartsheet | Allows you to programmatically access and Smartsheet data and account information | OAuth | Yes | No |
| Softoteca | Catalog of Brazilian software with the source of each data point and prices in BRL | No | Yes | Yes |
| Square | Easy way to take payments, manage refunds, and help customers checkout online | OAuth | Yes | Unknown |
| SwiftKanban | Kanban software, Visualize Work, Increase Organizations Lead Time, Throughput & Productivity | apiKey | Yes | Unknown |
| Tenders in Hungary | Get data for procurements in Hungary in JSON format | No | Yes | Unknown |
| Tenders in Poland | Get data for procurements in Poland in JSON format | No | Yes | Unknown |
| Tenders in Romania | Get data for procurements in Romania in JSON format | No | Yes | Unknown |
| Tenders in Spain | Get data for procurements in Spain in JSON format | No | Yes | Unknown |
| Tenders in Ukraine | Get data for procurements in Ukraine in JSON format | No | Yes | Unknown |
| TradeDataHub | U.S. contractor datasets with a free discovery API for coverage, pricing and masked previews | No | Yes | Yes |
| Tomba email finder | Email Finder for B2B sales and email marketing and email verifier | apiKey | Yes | Yes |
| Trello | Boards, lists and cards to help you organize and prioritize your projects | OAuth | Yes | Unknown |
| TrendsAGI | Trending topic volume, velocity and growth with AI insights; free plan of 100 calls/day | apiKey | Yes | No |
| UGC VZ | Directory of DACH user-generated-content creators with topics, cities, rates and contact requests | No | Yes | No |
| Verif Entreprise FR | French company checks by SIREN: status, insolvency (BODACC), VAT (VIES); free preview | No | Yes | Yes |
| Village | Person and company enrichment plus warm introduction paths through your network | apiKey | Yes | Yes |
| W System EU Business Data | EU VAT (VIES) and EORI validation, company registers, EU/UN/OFAC/UK sanctions screening | No | Yes | Yes |
Calendar
| API | Description | Auth | HTTPS | CORS |
|---|---|---|---|---|
| Africa Compliance Data | Public holidays and business days for African countries, with sources and per-country coverage | apiKey | Yes | Yes |
| caldays | Public holidays for 195+ countries | No | Yes | Yes |
| Calendarific | Worldwide Holidays | apiKey | Yes | Unknown |
| Checkiday - National Holiday | Industry-leading holiday data with over 5,000 holidays and thousands of descriptions | apiKey | Yes | Unknown |
| Church Calendar | Catholic liturgical calendar | No | No | Unknown |
| CountdownsHQ | Dates and timezone-correct countdowns for 150+ holidays and observances in 18 countries | No | Yes | Yes |
| Czech Namedays Calendar | Lookup for a name and returns nameday date | No | No | Unknown |
| Festivo Public Holidays | Fastest and most advanced public holiday and observance service on the market | apiKey | Yes | Yes |
| Google Calendar | Display, create and modify Google calendar events | OAuth | Yes | Unknown |
| Hebrew Calendar | Convert between Gregorian and Hebrew, fetch Shabbat and Holiday times, etc | No | No | Unknown |
| Holidays | Historical data regarding holidays | apiKey | Yes | Unknown |
| India Public Holidays | Official Indian public holidays for the Central government and 36 states/UTs | No | Yes | Yes |
| Intellibook | Appointment booking and availability API for salons and clinics | No | Yes | Yes |
| LectServe | Protestant liturgical calendar | No | No | Unknown |
| Mother's Day Calendar | Mother's Day dates, country rules, sources and confidence as static JSON and CSV | No | Yes | Yes |
| Nager.Date | Public holidays for more than 90 countries | No | Yes | No |
| Namedays Calendar | Provides namedays for multiple countries | No | Yes | Yes |
| Non-Working Days | Database of ICS files for non working days | No | Yes | Unknown |
| Non-Working Days | Simple REST API for checking working, non-working or short days for Russia, CIS, USA and other | No | Yes | Yes |
| Public Holidays | Data on national, regional, and religious holidays via API | apiKey | Yes | Yes |
| Russian Calendar | Check if a date is a Russian holiday or not | No | Yes | No |
| The Calendar | Public holidays for US states and 30 countries plus sports and finance calendars as static JSON | No | Yes | Yes |
| UK Bank Holidays | Bank holidays in England and Wales, Scotland and Northern Ireland | No | Yes | Unknown |
Cloud Storage & File Sharing
| API | Description | Auth | HTTPS | CORS |
|---|---|---|---|---|
| Box | File Sharing and Storage | OAuth | Yes | Unknown |
| ddownload | File Sharing and Storage | apiKey | Yes | Unknown |
| Deed | Publish an HTML file or folder to a permanent public URL with one PUT, no account | No | Yes | Yes |
| Dropbox | File Sharing and Storage | OAuth | Yes | Unknown |
| File.io | Super simple file sharing, convenient, anonymous and secure | No | Yes | Unknown |
| Filestack | Filestack File Uploader & File Upload API | apiKey | Yes | Unknown |
| FileUp | Temporary file hosting with upload API, expiration times, and view limits | No | Yes | Unknown |
| GoFile | Unlimited size file uploads for free | apiKey | Yes | Unknown |
| Google Drive | File Sharing and Storage | OAuth | Yes | Unknown |
| Gyazo | Save & Share screen captures instantly | apiKey | Yes | Unknown |
| Imgbb | Simple and quick private image sharing | apiKey | Yes | Unknown |
| OneDrive | File Sharing and Storage | OAuth | Yes | Unknown |
| Pantry | Free JSON storage for small projects | No | Yes | Yes |
| Pastebin | Plain Text Storage | apiKey | Yes | Unknown |
| Pinata | IPFS Pinning Services API | apiKey | Yes | Unknown |
| Quip | File Sharing and Storage for groups | apiKey | Yes | Yes |
| Revdoku | Cloud file storage, version history, sharing and incoming email attachments | apiKey | Yes | Unknown |
| Storj | Decentralized Open-Source Cloud Storage | apiKey | Yes | Unknown |
| The Null Pointer | No-bullshit file hosting and URL shortening service | No | Yes | Unknown |
| Web3 Storage | File Sharing and Storage for Free with 1TB Space | apiKey | Yes | Yes |
Continuous Integration
| API | Description | Auth | HTTPS | CORS |
|---|---|---|---|---|
| Azure DevOps Health | Resource health helps you diagnose and get support when an Azure issue impacts your resources | apiKey | No | No |
| Bitrise | Build tool and processes integrations to create efficient development pipelines | apiKey | Yes | Unknown |
| Buddy | The fastest continuous integration and continuous delivery platform | OAuth | Yes | Unknown |
| CircleCI | Automate the software development process using continuous integration and continuous delivery | apiKey | Yes | Unknown |
| Codeship | Codeship is a Continuous Integration Platform in the cloud | apiKey | Yes | Unknown |
| Travis CI | Sync your GitHub projects with Travis CI to test your code in minutes | apiKey | Yes | Unknown |
Cryptocurrency
| API | Description | Auth | HTTPS | CORS |
|---|---|---|---|---|
| Coinlayer | Real-time Crypto Currency Exchange Rates | apiKey | Yes | Unknown |
| 0x | API for querying token and pool stats across various liquidity pools | No | Yes | Yes |
| 1inch | API for querying decentralize exchange | apiKey | Yes | Unknown |
| Alchemy Ethereum | Ethereum Node-as-a-Service Provider | apiKey | Yes | Yes |
| Alpha (Mossland) | Korean crypto channel stance + RAG Q&A + canonical entity/topic/event store | No | Yes | Yes |
| AlphaGrowth | Crypto project metrics, community growth, funding rounds, investors, chains, fees and DAO treasuries | No | Yes | No |
| Binance | Exchange for Trading Cryptocurrencies based in China | apiKey | Yes | Unknown |
| Bitcambio | Get the list of all traded assets in the exchange | No | Yes | Unknown |
| BitcoinAverage | Digital Asset Price Data for the blockchain industry | apiKey | Yes | Unknown |
| BitcoinCharts | Financial and Technical Data related to the Bitcoin Network | No | Yes | Unknown |
| Bitcoin Halving | Halving era, block reward, and schedule arithmetic for any Bitcoin block height | No | Yes | Yes |
| BitcoinYield | Live yields on BTC, ETH and stablecoins across DeFi and CeFi, with an A-D risk grade per offer | No | Yes | Yes |
| Bitculator | Crypto prices, OHLCV history, sentiment, technical indicators, exchanges and liquidations | apiKey | Yes | Yes |
| Bitfinex | Cryptocurrency Trading Platform | apiKey | Yes | Unknown |
| BitPanda | Cryptocurrency Information | apiKey | Yes | Unknown |
| Bitmex | Real-Time Cryptocurrency derivatives trading platform based in Hong Kong | apiKey | Yes | Unknown |
| Bittrex | Next Generation Crypto Trading Platform | apiKey | Yes | Unknown |
| Block | Bitcoin Payment, Wallet & Transaction Data | apiKey | Yes | Unknown |
| BlazePhoenix | On-chain DEX aggregator quotes and route execution data | No | Yes | Yes |
| bilbop | Solana USDC x402 pay-per-call tools for agents: SPL mint info, token brief, text summarize, Piper TTS, brand feedback | No | Yes | Yes |
| Block Lottos | On-chain lottery, draw history, jackpot and advertising endpoints | No | Yes | Yes |
| Blockchain | Bitcoin Payment, Wallet & Transaction Data | apiKey | Yes | Unknown |
| blockfrost Cardano | Interaction with the Cardano mainnet and several testnets | apiKey | Yes | Unknown |
| Brave NewCoin | Real-time and historic crypto data from more than 200+ exchanges | apiKey | Yes | Unknown |
| BTCGlobe | Bitcoin height, fees, mempool and peer data served live from two self-hosted nodes | No | Yes | Yes |
| btcnode.uk | Bitcoin blockchain data, fees, mempool, SEC insider trades, Reddit sentiment. x402 micropayments for paid endpoints. | No | Yes | Unknown |
| BtcTurk | Real-time cryptocurrency data, graphs and API that allows buy&sell | apiKey | Yes | Yes |
| Bybit | Cryptocurrency data feed and algorithmic trading | apiKey | Yes | Unknown |
| CoinAPI | All Currency Exchanges integrate under a single api | apiKey | Yes | No |
| Coinbase | Bitcoin, Bitcoin Cash, Litecoin and Ethereum Prices | apiKey | Yes | Unknown |
| Coinbase Pro | Cryptocurrency Trading Platform | apiKey | Yes | Unknown |
| CoinCap | Real time Cryptocurrency prices through a RESTful API | No | Yes | Unknown |
| CoinDCX | Cryptocurrency Trading Platform | apiKey | Yes | Unknown |
| CoinGecko | Cryptocurrency Price, Market, and Developer/Social Data | No | Yes | Yes |
| Coinigy | Interacting with Coinigy Accounts and Exchange Directly | apiKey | Yes | Unknown |
| Coinlib | Crypto Currency Prices | apiKey | Yes | Unknown |
| CoinLobster | Live executed whale trades across 15 exchanges and on-chain DEX with an unusualness radar | No | Yes | Yes |
| Coinlore | Cryptocurrencies prices, volume and more | No | Yes | Unknown |
| CoinMarketCap | Cryptocurrencies Prices | apiKey | Yes | Unknown |
| Coinmico | Crypto prices, volume and liquidity measured from real trades on 50+ exchanges and DEXs | apiKey | Yes | Yes |
| CoinNudge | Current crypto market breadth, funding and open-interest research datasets | apiKey | Yes | Unknown |
| Coinpaprika | Cryptocurrencies prices, volume and more | No | Yes | Yes |
| CoinRanking | Live Cryptocurrency data | apiKey | Yes | Unknown |
| Coinremitter | Cryptocurrencies Payment & Prices | apiKey | Yes | Unknown |
| CoinStats | Crypto Tracker | No | Yes | Unknown |
| CoinXview | Real-time crypto prices aggregated from 22 exchanges, OHLC, market stats, Fear & Greed | No | Yes | Yes |
| CorpStacking | Corporate, government and ETF Bitcoin, Ethereum and Solana treasury disclosures | No | Yes | Yes |
| CryptAPI | Cryptocurrency Payment Processor | No | Yes | Unknown |
| CryptingUp | Cryptocurrency data | No | Yes | Unknown |
| Crypto Vision | Free crypto news aggregator with market context, JSON REST and RSS | No | Yes | Yes |
| CryptoCompare | Cryptocurrencies Comparison | No | Yes | Unknown |
| CryptoKeyhole | On-chain and market metrics for Bitcoin, Ethereum and more, computed from self-hosted nodes | No | Yes | No |
| CryptoMarket | Cryptocurrencies Trading platform | apiKey | Yes | Yes |
| Cryptonator | Cryptocurrencies Exchange Rates | No | Yes | Unknown |
| Deep Blue Alpha | Real-time Ethereum whale wallet tracking, DEX trades, net flow, and conviction scoring | apiKey | Yes | Yes |
| DefiLlama | Open and transparent DeFi data, TVL, coin prices, volumes, and yields | No | Yes | Yes |
| Degenscan Intel | Hyperliquid funding on every dex (HIP-3 incl.), cross-dex spreads, event feed; free trial key | apiKey | Yes | No |
| Dudelytics | Productive crypto indices, daily benchmarks, sector indices and market-stress data | No | Yes | No |
| dYdX | Decentralized cryptocurrency exchange | apiKey | Yes | Unknown |
| Ethplorer | Ethereum tokens, balances, addresses, history of transactions, contracts, and custom structures | apiKey | Yes | Unknown |
| EXMO | Cryptocurrencies exchange based in UK | apiKey | Yes | Unknown |
| FraudCoins | On-chain top-10 holder concentration and contract permissions for crypto tokens | No | Yes | Yes |
| Gateio | API provides spot, margin and futures trading operations | apiKey | Yes | Unknown |
| Gemini | Cryptocurrencies Exchange | No | Yes | Unknown |
| Hirak Exchange Rates | Exchange rates between 162 currency & 300 crypto currency update each 5 min, accurate, no limits | apiKey | Yes | Unknown |
| HostDeFi | Free A+–F token-safety grades across Solana and EVM chains | No | Yes | Yes |
| Huobi | Seychelles based cryptocurrency exchange | apiKey | Yes | Unknown |
| Hyperliquid Market Data | Hyperliquid open interest, funding and cross-venue predicted rates per coin | apiKey | Yes | Yes |
| icy.tools | GraphQL based NFT API | apiKey | Yes | Unknown |
| Indodax | Trade your Bitcoin and other assets with rupiah | apiKey | Yes | Unknown |
| INFURA Ethereum | Interaction with the Ethereum mainnet and several testnets | apiKey | Yes | Yes |
| Ironflow | Hyperliquid trades, liquidations, candles, funding and wallet data, plus SQL; no key to start | No | Yes | Yes |
| Kraken | Cryptocurrencies Exchange | apiKey | Yes | Unknown |
| KuCoin | Cryptocurrency Trading Platform | apiKey | Yes | Unknown |
| Localbitcoins | P2P platform to buy and sell Bitcoins | No | Yes | Unknown |
| Lucyd | Bitcoin Up/Down prediction markets on testnet: markets, trades, positions, order books | No | Yes | Yes |
| MadeOnSol | Real-time Solana & Robinhood Chain KOL trades, deployer reputation, and DEX activity | apiKey | Yes | Yes |
| MarginPad | Crypto futures prices, candles, funding, open interest, long/short and liquidations, 9 exchanges | No | Yes | Yes |
| Mempool | Bitcoin API Service focusing on the transaction fee | No | Yes | No |
| MercadoBitcoin | Brazilian Cryptocurrency Information | No | Yes | Unknown |
| Messari | Provides API endpoints for thousands of crypto assets | No | Yes | Unknown |
| Mexc | Cryptocurrency info, place order | apiKey | Yes | Unknown |
| monerometrics | Reorg-aware Monero (XMR) network metrics, mining-pool centralization and chain reorganizations | No | Yes | Yes |
| MyCryptoSignal | Crypto market data: daily direction signals, prices, on-chain and news snapshots | apiKey | Yes | Yes |
| Nexchange | Automated cryptocurrency exchange service | No | No | Yes |
| Nomics | Historical and realtime cryptocurrency prices and market data | apiKey | Yes | Yes |
| NovaDax | NovaDAX API to access all market data, trading management endpoints | apiKey | Yes | Unknown |
| OKEx | Cryptocurrency exchange based in Seychelles | apiKey | Yes | Unknown |
| OptimistFi Perps | Funding, open interest, prices and leverage caps for perps on 40+ venues, in one schema | No | Yes | Yes |
| Paribu | Turkish cryptocurrency exchange with real-time market data, trading and WebSocket streams | apiKey | Yes | No |
| Poloniex | US based digital asset exchange | apiKey | Yes | Unknown |
| PumpFunData | Historical Pump.fun and PumpSwap AMM swap data as hourly Parquet files | apiKey | Yes | Unknown |
| Shumi | Crypto market data: prices, trends, funding rates, sentiment, narratives and market regime | apiKey | Yes | Yes |
| SoChain | Bitcoin, Litecoin, Dogecoin and Zcash addresses, transactions, blocks and fees | No | Yes | Yes |
| Solana JSON RPC | Provides various endpoints to interact with the Solana Blockchain | No | Yes | Unknown |
| SoloLuck | Bitcoin solo mining pool stats, per-address miner stats and an open dataset of solo-mined blocks | No | Yes | Yes |
| Technical Analysis | Cryptocurrency prices and technical analysis | apiKey | Yes | No |
| The Coin Analysis | Live and historical cryptocurrency prices, market caps, volatility and drawdown | apiKey | Yes | Yes |
| TronOrb | TRON data: USDT TRC-20 fees, address checks, Tether freezes, dApp and exchange rankings | No | Yes | Yes |
| VALR | Cryptocurrency Exchange based in South Africa | apiKey | Yes | Unknown |
| ScriptMasterLabs MCP | Model Context Protocol server with web search, social search & LLM chat paid via x402 | apiKey | Yes | Yes |
| WhiteBIT | European cryptocurrency exchange | No | Yes | Yes |
| WorldCoinIndex | Cryptocurrencies Prices | apiKey | Yes | Unknown |
| XRPL.to | XRP Ledger token prices, holders, trades and NFT data | No | Yes | Yes |
| Zennet | x402 pay-per-use APIs: Polymarket signals, CEX/DEX spreads, contract risk scores, gas oracle | No | Yes | Yes |
| ZMOK | Ethereum JSON RPC API and Web3 provider | No | Yes | Unknown |
Currency Exchange
| API | Description | Auth | HTTPS | CORS |
|---|---|---|---|---|
| Currencylayer | Exchange rates and currency conversion | apiKey | Yes | Unknown |
| Exchangerate.host | Foreign exchange & crypto rates API (keyless access ended 2023) | apiKey | Yes | Unknown |
| Exchangeratesapi.io | Exchange rates with currency conversion | apiKey | Yes | Yes |
| Fixer | Exchange rates and currency conversion | apiKey | No | Unknown |
| 1Forge | Forex currency market data | apiKey | Yes | Unknown |
| AllRatesToday | Official exchange rates published by 121 central banks and tax authorities, keyless latest table | No | Yes | Yes |
| Amdoren | Free currency API with over 150 currencies | apiKey | Yes | Unknown |
| api-mint | Free utility APIs: timezone, forex rates, crypto prices, page metadata | No | Yes | Yes |
| Bank of Russia | Exchange rates and currency conversion | No | Yes | Unknown |
| Currency-api | Free Currency Exchange Rates API with 150+ Currencies & No Rate Limits | No | Yes | Yes |
| CurrencyBeacon | Real-time and historical currency exchange rates with free tier | apiKey | Yes | Yes |
| CurrencyFreaks | Provides current and historical currency exchange rates with free plan 1K requests/month | apiKey | Yes | Yes |
| CurrencyScoop | Real-time and historical currency rates JSON API | apiKey | Yes | Yes |
| Czech National Bank | A collection of exchange rates | No | Yes | Unknown |
| Daleelak | Egyptian bank and dealer exchange rates, gold and silver prices | No | Yes | Yes |
| Economia.Awesome | Portuguese free currency prices and conversion with no rate limits | No | Yes | Unknown |
| ExchangeRate-API | Free currency conversion | apiKey | Yes | Yes |
| Exchangerate.dev | Live & historical FX, 168 pairs back to 1999, Frankfurter-compatible, free 10k/mo | No | Yes | Unknown |
| Frankfurter | Exchange rates, currency conversion and time series | No | Yes | Yes |
| FreeCurrency | Real-time and historical foreign exchange rates | apiKey | Yes | Yes |
| FreeForexAPI | Real-time foreign exchange rates for major currency pairs | No | Yes | No |
| Fulusly | Exchange rates for 144 currencies with daily history back to the 1990s, English and Arabic | No | Yes | Yes |
| FXpeek | Source-linked historical reference exchange rates with CSV, JSON and an MCP server | No | Yes | Unknown |
| National Bank of Poland | A collection of currency exchange rates (data in XML and JSON) | No | Yes | Yes |
| Nerkhsanj | Iran free-market USD, EUR, CNY, gold and coin rates in toman, live and daily archive since 2010 | No | Yes | No |
| Open Exchange Rates | Live and historical exchange rates for 200+ currencies with free tier | apiKey | Yes | Yes |
| paralelo.bo | Bolivia parallel-market USD/BOB exchange rate, aggregated from P2P sources every 60s | No | Yes | Yes |
| Rate-API | Hourly exchange rates for 160+ currencies in JSON, XML or CSV with free plan 2,500 requests/month | apiKey | Yes | Yes |
| TaxID | EU VAT number validation with company name and address lookup across all 27 member states | apiKey | Yes | Unknown |
| VATComply.com | Exchange rates, geolocation and VAT number validation | No | Yes | Yes |
| XRates | Latest and historical exchange rates aggregated from ECB, CBR and open data feeds, 300+ currencies | apiKey | Yes | Yes |
Data Validation
| API | Description | Auth | HTTPS | CORS |
|---|---|---|---|---|
| VATlayer | VAT number validation | apiKey | Yes | Unknown |
| Attestwire | Validate EN 16931 e-invoices: XRechnung, ZUGFeRD, Factur-X, Peppol BIS | apiKey | Yes | Yes |
| invowerk | Validate e-invoices (ZUGFeRD, Factur-X, XRechnung, Peppol BIS) and get a validation report | apiKey | Yes | Unknown |
| Lob.com | US Address Verification | apiKey | Yes | Unknown |
| Postman Echo | Test api server to receive and return value from HTTP method | No | Yes | Unknown |
| PurgoMalum | Content validator against profanity & obscenity | No | No | Unknown |
| RevAddress | US address standardization, congressional and state legislative districts, Census data; free tier | apiKey | Yes | No |
| SchemaShield | Read-only preflight for breaking schema changes and downstream query impact | apiKey | Yes | Unknown |
| sthan.io Address Autocomplete | Real-time US address suggestions as users type | apiKey | Yes | No |
| sthan.io Address Parser | Parse freeform US addresses into structured fields (house number, street, unit, city, state, ZIP) | apiKey | Yes | No |
| sthan.io Address Verification | Validate and standardize US addresses, with ZIP+4 and deliverability status | apiKey | Yes | No |
| Temsor | Validates Turkish national ID, tax number, IBAN, phone, plate and parses addresses | apiKey | Yes | Yes |
| US Autocomplete | Enter address data quickly with real-time address suggestions | apiKey | Yes | Yes |
| US Extract | Extract postal addresses from any text including emails | apiKey | Yes | Yes |
| US Street Address | Validate and append data for any US postal address | apiKey | Yes | Yes |
| VerifNow | Validates email, phone, IBAN, EU VAT against VIES, and Canadian, Spanish and US national IDs | apiKey | Yes | No |
| Veriport | EU VAT validation (VIES), VAT rates, IBAN validation, French company data | apiKey | Yes | Yes |
Development
| API | Description | Auth | HTTPS | CORS |
|---|---|---|---|---|
| Userstack | Secure User-Agent String Lookup JSON API | OAuth | Yes | Unknown |
| 24 Pull Requests | Project to promote open source collaboration during December | No | Yes | Yes |
| Aether Bridge | Autonomous agent team management and API workflow orchestration | apiKey | Yes | Unknown |
| Agent Nexus | Continuously probed registry of APIs, MCP servers and CLIs callable by agents | No | Yes | Yes |
| AgentPay Domain Lookup | DNS records, WHOIS/RDAP, IP ownership and domain reports for AI agents, paid per call via x402 | No | Yes | Yes |
| Agify.io | Estimates the age from a first name | No | Yes | Yes |
| Allscreenshots | Website screenshots and PDFs with full-page capture, dark mode and ad blocking | apiKey | Yes | No |
| Amazonscraperapi | Amazon product, search & batch scraping API with residential proxies (1000 free) | apiKey | Yes | No |
| AmberOne | Turn any website into a build-ready Android, iOS, PWA or Electron app project | apiKey | Yes | No |
| AnswerLine | Answers, citations and sources from AI assistants and Google surfaces through one API | apiKey | Yes | Yes |
| API Grátis | Multiples services and public APIs | No | Yes | Unknown |
| API Tool Calls | API Tool Calls: Home cost planners, page to Markdown |