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.
5581
Sites Indexed
39
Avg Score
1705 entries in this directory
15
+15 structured API
missing +25 llms.txt
15
+15 structured API
missing +25 llms.txt
15
+15 structured API
missing +25 llms.txt
Kakao Developers
developers.kakao.com
카카오 API를 활용하여 다양한 어플리케이션을 개발해 보세요. 카카오 로그인, 메시지 보내기, 친구 API, 인공지능 API 등을 제공합니다.
API
developer
15
+15 structured API
missing +25 llms.txt
GIPHY Developers
developers.giphy.com
The GIPHY Developer Portal is how you integrate the world's best GIF API into your business, app or project.
API
developer
15
+15 structured API
missing +25 llms.txt
D
15
+15 structured API
missing +25 llms.txt
X Developer Platform
developer.twitter.com
Use the X API with an all-new Developer Console and consumption-based billing. No fixed monthly costs, no monthly caps.
API
developer
15
+15 structured API
missing +25 llms.txt
15
+15 structured API
missing +25 llms.txt
PUBG Developer Portal
developer.pubg.com
Start building your own website today using official PUBG data.
API
developer
15
+15 structured API
missing +25 llms.txt
Oxford Dictionaries API
developer.oxforddictionaries.com
The Oxford Dictionaries API gives you access to our world-renowned dictionary data, including definitions, translations, synonyms, and audio pronunciations.
API
developer
15
+15 structured API
missing +25 llms.txt
15
+15 structured API
missing +25 llms.txt
Webex for Developers
developer.ciscospark.com
Build the future of business collaboration with Webex! Learn more about the Webex API and SDKs to create the next great collaboration app on the Webex Platform.
API
developer
15
+15 structured API
missing +25 llms.txt
Fitbit SDK
dev.fitbit.com
You'll fit in here. Using JavaScript, CSS, and SVG, developers now have a fast, easy way to build apps and clock faces for Fitbit OS.
API
developer
15
+15 structured API
missing +25 llms.txt
Ultimate Cloud Storage - DDownload
ddownload.com
ddownload.com - Fast and Free File Hosting. Make Money Uploading Files, No Files Deletion, Unlimited Bandwidth, Unlimited Storage, Unlimited File Size
API
developer
15
+15 structured API
missing +25 llms.txt
Getty Images API | Documentation, SDK & Sample Code | Getty Images API
developers.gettyimages.com
API
developer
15
+15 structured API
missing +25 llms.txt
ZenStack – Modern data layer for TypeScript apps
zenstack.dev
ZenStack is the modern data layer for TypeScript apps - with a type-safe ORM, built-in access control, and automatic query services.
API
developer
15
+15 structured API
missing +25 llms.txt
Tracecat | Open source SOAR for AI-native security teams
tracecat.com
Tracecat is the open source SOAR for AI-native security teams. Scale security work with agents, workflows, and cases you own.
API
developer
15
+15 structured API
missing +25 llms.txt
T
Tamga - Modern Python Logging
tamga.vercel.app
A modern, thread-safe Python logging library with significantly faster performance, beautiful console output, and extensive integrations.
API
developer
15
+15 structured API
missing +25 llms.txt
OpenAPI Design & Documentation Management Tool | Stoplight
stoplight.io
With Stoplight, you can create OpenAPI descriptions, documentation, and mock servers much faster than other API tools — with no specialized knowledge required — all in one centralized platform.
API
developer
15
+15 structured API
missing +25 llms.txt
Create mock APIs in seconds with Mockoon
mockoon.com
Mockoon is the easiest and quickest way to run mock REST API servers. No remote deployment, no account required, free, open source and cross-platform.
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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