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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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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| 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 |
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 |
HTTP |
– |
| Catastro GPS | Cadastral parcels in 29 European countries by reference, point or address | apiKey |
stdio |
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 |
| crawlbrulee | EU-native web scraping for AI agents & developers: turn any page into markdown, screenshots and more | apiKey |
stdio |
npm · MCP Registry · Glama |
| Edgepedia | Search and read Edgepedia, a free and growing encyclopedia with citations | No | HTTP |
Glama |
| [Filesystem](https://github.com/modelcontextprotocol/servers/tree/main/src/filesys |
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