AI & ML
LLMSearch
Exa API
exa.aiAI search, contents, answer, and research API for agent web search and grounded retrieval workflows.
API KeyHTTPSCORS UnknownOfficialOpenAPI
Newest APIs
Recently added community submissions with public docs, free access, and validation checks already attached.
AI & ML
Browser AutomationLLMScrapingSearch
Firecrawl API
firecrawl.devWeb scraping, crawling, search, browser, and agent API for turning websites into LLM-ready data.
API KeyHTTPSCORS UnknownOfficial
Finance & Commerce
StockAlert.pro API
stockalert.proREST API for stock price alerts, watchlists, and real-time webhook notifications.
API KeyHTTPSCORS UnknownOfficialOpenAPI
AI & ML
LLMScrapingSearch
Tavily API
tavily.comSearch, extract, crawl, and research API built for AI agents and retrieval workflows.
API KeyHTTPSCORS UnknownOfficial
Featured APIs
The most useful free APIs for building with AI, sorted by documentation quality, protocol support, and real-world utility.
AI & ML
Browser AutomationLLMScrapingSearch
Agent Hustle
agent.stakewatch.devAI web services: scraping, research, screenshots, translation, summarization
API KeyHTTPSCORS YesOfficial
AI & ML
LLMSearch
Exa API
exa.aiAI search, contents, answer, and research API for agent web search and grounded retrieval workflows.
API KeyHTTPSCORS UnknownOfficialOpenAPI
AI & ML
GeocodingTranslation
HelloSalut
fourtonfish.comGet hello translation following user language
No AuthHTTPSCORS UnknownOfficial
AI & ML
Browser AutomationLLMScrapingSearch
Firecrawl API
firecrawl.devWeb scraping, crawling, search, browser, and agent API for turning websites into LLM-ready data.
API KeyHTTPSCORS UnknownOfficial
Search & Retrieval
Search
City Bikes
citybik.esProject that provides bike sharing data for apps, research and projects to use.
No AuthHTTPSCORS UnknownOfficial
AI & ML
LLM
EXUDE-API
uttesh.comUsed for the primary ways for filtering the stopping, stemming words from the text data
No AuthHTTPSCORS YesOfficial
AI & ML
Translation
languagelayer
languagelayer.comLanguage detection
No AuthHTTPSCORS UnknownOfficial
AI & ML
Translation
LibreTranslate
libretranslate.comTranslation tool with 17 available languages
No AuthHTTPSCORS UnknownOfficial
Search & Retrieval
Memory & StorageSearch
Movebank
github.comMovebank is a free, online database and research platform for animal tracking and other on-animal sensor data
No AuthHTTPSCORS YesOfficial
Collections
Hand-picked groups of APIs for common tasks — from browser automation and RAG pipelines to translation and speech.
Best APIs for AI Agents
507 APIsThe best free APIs for AI agents — search, browser automation, speech, translation, messaging, memory, and LLM inference.
Developer Tool APIs
230 APIsFree APIs for CI/CD, testing, monitoring, code analysis, and infrastructure.
Search and RAG APIs
94 APIsFree search, retrieval, crawling, and discovery APIs for RAG pipelines and research workflows.
Browser Automation APIs
44 APIsFree APIs for taking screenshots, rendering pages, and automating browsers.
Translation APIs
12 APIsFree translation APIs for adding multilingual support to any application.
Top Capabilities
Find APIs by what they do — search, code execution, OCR, geocoding, and more.
Geocoding
197 APIsGeocoding, routing, and maps APIs for location-aware products and agents.
Memory & Storage
82 APIsStorage, file, and database APIs that agents can use as memory or state backends.
Search
77 APIsSearch and discovery APIs for content lookup, indexing, and retrieval pipelines.
LLM
33 APIsLanguage model APIs for generation, reasoning, and agent orchestration.
Browser Automation
32 APIsAPIs for screenshots, browser control, web automation, and page rendering.
Email APIs for transactional workflows, notifications, and agent actions.
Observability
32 APIsLogging, tracing, monitoring, and metrics APIs.
Scheduling
25 APIsCalendar and scheduling APIs for assistants and operational tooling.
Scraping
18 APIsScraping and crawling APIs for acquiring structured web data.