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
Figma: The collaborative canvas for design, code, and AI
figma.com
Figma is the canvas where design, code, and AI come together. From first idea to shipped product — go from concept to production with your whole team, in one place.
API
AI bots
Schema.org
developer
25
+15 structured API
+5 AI robots
missing +25 llms.txt
Better Stack - 30x cheaper than Datadog, Exceptional support
betterstack.com
AI SRE and MCP server, incident management, on-call, logs, metrics, traces, and error tracking. 7,000+ happy customers. 60-day money back guarantee.
API
MCP
developer
25
+15 structured API
+10 MCP
missing +25 llms.txt
Kai — the trust layer for AI-written code
kaicontext.com
Kai reads what your code does and proves what each AI change touches — blast radius you can check yourself. Free CLI for Go, TypeScript, Python.
API
AI bots
Schema.org
developer
25
+15 structured API
+5 AI robots
missing +25 llms.txt
M
25
+15 structured API
+10 MCP
missing +25 llms.txt
25
+15 structured API
+5 AI robots
missing +25 llms.txt
AgentSeal - We Break AI Agents So Attackers Can't
agentseal.org
Red-team AI agents. Stop attacks in real-time. Scan MCP servers and skills.
API
AI bots
Schema.org
developer
25
+15 structured API
+5 AI robots
missing +25 llms.txt
A
25
+15 structured API
+10 MCP
missing +25 llms.txt
Aleatoric Systems | Deterministic Synthetic Market Data for Quant Teams
sim.aleatoric.systems
Deterministic synthetic market data platform for quantitative teams: venue-aware L2 order books, funding rate regimes, reproducible manifests, and audit-ready stress testing.
API
AI bots
Schema.org
developer
25
+15 structured API
+5 AI robots
missing +25 llms.txt
25
+15 structured API
+10 MCP
missing +25 llms.txt
Clixi Home - Clixi – Rides Made for the Mountains.
clixi.in
For towns where distances aren’t long, but getting there still matters.
API
AI bots
Schema.org
developer
25
+15 structured API
+5 AI robots
missing +25 llms.txt
Turn Any Website Into an API — Anysite
anysite.io
Self-healing web scraping at scale. Extract data from any website with 99.9% uptime. REST API and AI-native MCP server. Get your free API key today.
API
AI bots
Schema.org
developer
25
+15 structured API
+5 AI robots
missing +25 llms.txt
S
SteadyFetch — Reliable Web Fetching for AI Agents
steadyfetch-production.up.railway.app
API
MCP
developer
25
+15 structured API
+10 MCP
missing +25 llms.txt
XDC Gateway | Enterprise XDC RPC Infrastructure
openscan.ai
Enterprise-grade XDC Network RPC infrastructure with 99.97% uptime, 47ms latency, quantum wallet, and MEV protection. Built for developers and institutions.
API
AI bots
Schema.org
developer
25
+15 structured API
+5 AI robots
missing +25 llms.txt
M
25
+15 structured API
+5 AI robots
missing +25 llms.txt
M
25
+15 structured API
+10 MCP
missing +25 llms.txt
M
25
+15 structured API
+10 MCP
missing +25 llms.txt
M
25
+15 structured API
+10 MCP
missing +25 llms.txt
25
+15 structured API
+10 MCP
missing +25 llms.txt
M
25
+15 structured API
+10 MCP
missing +25 llms.txt
M
25
+15 structured API
+10 MCP
missing +25 llms.txt
M
25
+15 structured API
+10 MCP
missing +25 llms.txt
M
25
+15 structured API
+10 MCP
missing +25 llms.txt
M
25
+15 structured API
+10 MCP
missing +25 llms.txt
OpeniLink — 微信 ClawBot iLink 协议开源消息管理平台
openilink.com
OpeniLink Hub 是基于微信 ClawBot iLink 协议的开源消息管理平台。扫码绑定微信号，消息实时转发到你的服务。支持 WebSocket、Webhook、AI 自动回复三通道并行，7 种语言 SDK，JavaScript 插件引擎，Passkey 无密码登录。docker compose up -d 一键部署。
API
AI bots
Schema.org
developer
25
+15 structured API
+5 AI robots
missing +25 llms.txt
Aptible | Secure Cloud Infrastructure for Digital Health Teams
aptible.com
Deploy apps, databases, and AI on isolated AWS infrastructure with security and compliance enforced by default. HITRUST R2 certified. BAA included.
API
Schema.org
developer
20
+15 structured API
+5 Schema.org
missing +25 llms.txt
P
20
+15 structured API
+5 AI robots
missing +25 llms.txt
The Screenshot API for developers
screenshotone.com
ScreenshotOne is the best screenshot rendering platform for developers.
API
Schema.org
developer
20
+15 structured API
+5 Schema.org
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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