Developer API Directory
Every developer API in our index, ranked by agentic readiness. All entries expose at least one programmatic signal agents can discover at build time.
4308
Sites Indexed
37
Avg Score
1322 entries in this directory
A
15
+15 structured API
missing +25 llms.txt
A
15
+15 structured API
missing +25 llms.txt
15
+15 structured API
missing +25 llms.txt
A
15
+15 structured API
missing +25 llms.txt
A
15
+15 structured API
missing +25 llms.txt
Chat API and SDKs to build the best real-time messaging experiences – TalkJS
talkjs.com
Launch production-ready chat in minutes with a powerful API, feature-rich SDKs, and a fully customizable design. Real-time messaging built to scale with you as you grow.
API
developer
15
+15 structured API
missing +25 llms.txt
T
TokenGuard — Saves tokens by checking stored answers first
tokenguard.agenticidaho.workers.dev
API
developer
15
+15 structured API
missing +25 llms.txt
SSI Scoreboard
scoreboard.urdr.dev
Live stage-by-stage IPSC competitor comparison
AI bots
MCP
developer
15
+10 MCP
+5 AI robots
missing +25 llms.txt
Domain Inspector — MCP Domain Intelligence Server
mcpdns.onrender.com
15 domain intelligence tools for AI agents. DNS, WHOIS, SSL, email security, tech stack detection, and more via the Model Context Protocol.
API
developer
15
+15 structured API
missing +25 llms.txt
15
+15 structured API
missing +25 llms.txt
M
mcp-crypto-price | Crypto Market MCP Tool
mcp-crypto-price.codemonkeyinnovations.com
mcp-crypto-price is an MCP server for real-time cryptocurrency prices, market analysis, and historical trends powered by CoinCap.
API
developer
15
+15 structured API
missing +25 llms.txt
josxa | Stoplight
josxa.stoplight.io
The API Design Management Platform powering the world's leading API first companies. Powered by Stoplight.
API
developer
15
+15 structured API
missing +25 llms.txt
G
15
+15 structured API
missing +25 llms.txt
Figshare API v2
docs.figshare.com
Figshare API 3.0.1 - OpenAPI Specification 3.0 Documentation
API
developer
15
+15 structured API
missing +25 llms.txt
Eve
evemem.com
One Memory. Every Agent. Managed memory infrastructure for teams and agent runtimes.
API
developer
15
+15 structured API
missing +25 llms.txt
OpenAQ API Docs | OpenAQ Docs
docs.openaq.org
Welcome to the OpenAQ API documentation!
API
developer
15
+15 structured API
missing +25 llms.txt
15
+15 structured API
missing +25 llms.txt
Xero Developer Platform
developer.xero.com
Join a vibrant community of developers whose integrations with Xero are shaping the future of small businesses globally. Xero Developer: Powering Your Innovation and Growth!
API
developer
15
+15 structured API
missing +25 llms.txt
casestudies.dev — Company Case Studies API
casestudies.dev
Access detailed company case studies via a simple API. Structured data, lightning fast, always up to date.
API
developer
15
+15 structured API
missing +25 llms.txt
Wire NHS into your agent — MCP server
Add Not Human Search as an MCP tool. Your agent can call search_agents, get_site_details, get_stats, and submit_site at runtime.
Claude Code
claude mcp add --transport http nothumansearch https://nothumansearch.ai/mcp
Other clients: point any MCP-compatible tool at
https://nothumansearch.ai/mcp (streamable-http transport).Use NHS via REST
Prefer plain HTTP? Hit the search endpoint directly.
Search API
curl "https://nothumansearch.ai/api/v1/search?q=payment+API"
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