Agent-ready search and data APIs
302 verified search and data APIs sites, 146 of them transactable — every one probed live, with the date it was checked. Figures generated 27 Sep 2026 14:46 UTC
Checks passed across the 330 probed hosts: Markdown negotiation 272 · Markdown twin at a predictable URL 220 · llms.txt 293 · API catalog 66 · MCP server card answers 246.
✓TopYappers API docs.topyappers.com
TopYappers API provides endpoints for creator search, viral content discovery, media remixing, CRM management, and outreach workflows.
✓Caesar docs.trycaesar.com
Caesar is a search engine for AI providing an API for web search, full-document reading, and source citation.
✓Channel3 docs.trychannel3.com
Channel3 is an API that enables apps or agents to find products online with structured data and supports affiliate sales commissions.
✓Chroma Docs docs.trychroma.com
Chroma Docs provides documentation for Chroma, an open-source data infrastructure for AI supporting embeddings, vector search, metadata filtering, and multimodal retrieval.
✓Fundable docs.tryfundable.ai
Fundable provides a REST API delivering real-time startup funding rounds, VC deals, investors, and people data with free credits and native API access.
✓Signalbase Documentation docs.trysignalbase.com
Signalbase API provides real-time access to funding, acquisition, job change signals, and investor data via authenticated API endpoints.
✓twitterapi.io docs.twitterapi.io
twitterapi.io provides a third-party Twitter API with endpoints for tweets, user profiles, follower data, and advanced search.
✓Layers docs.uselayers.com
Layers provides Shopify Plus merchants with tools for fast search, visual discovery, and intelligent merchandising at scale.
✓Vepler API Documentation docs.vepler.com
Vepler API provides access to UK property data including properties, planning applications, and schools via a type-safe API.
GB✓Waterfall.io API Documentation docs.waterfall.io
Complete API reference for Waterfall to find and enrich contacts, prospect by title and company, verify emails, and more.
✓ZeroEntropy docs.zeroentropy.dev
ZeroEntropy provides documentation for AI-powered information retrieval models and APIs including rerankers, embedders, and retrieval pipelines.
✓Byteful Documentation documentation.byteful.com
Comprehensive documentation for Byteful proxy services, tools, API integration, and user support.
✓Fresh LinkedIn Data API fdocs.info
Fresh LinkedIn Data API provides scalable, automated LinkedIn Sales Navigator data scraping without accounts or cookies via a production-ready API.
✓Help Center-B2Proxy help.b2proxy.com
Documentation for B2Proxy's residential and ISP proxies, setup, traffic management, CDKey operations, and advanced features.
✓Ip2up帮助中心 help.ip2up.com
Ip2up帮助中心 provides documentation and guides for using Ip2up residential proxy services with global IP coverage and high availability.
CN✓bundle.social info.bundle.social
bundle.social offers a unified social media API for posting, analytics, and account management across 15+ platforms.
✓IP-Info.app ip-info.app
IP-Info.app provides an API for real-time IP geolocation, ASN, ISP, and privacy signals for fraud checks, geo routing, and enrichment.
✓MentionsAPI mentionsapi.com
MentionsAPI provides a single API to query multiple AI search engines for brand visibility data with structured mentions and sentiment analysis.
✓Quotewise quotewise.io
Quotewise is a semantic quote discovery platform that allows users to search quotes by meaning, explore sources, and access an API for integration.
✓日本の学校情報API school.teraren.com +1 more host on this domain
Open data REST API providing detailed information on every school in Japan and related educational administrative data.
JP✓Xtracta support.xtracta.com
Official support and documentation portal for Xtracta AI-powered data extraction software including user guides, API references, and troubleshooting.
✓TxLINE Documentation txline-docs.txodds.com
TxLINE provides cryptographically verifiable sports data via a hybrid Solana on-chain and off-chain API system with free and paid subscription tiers.
✓Agenty agenty.com
Agenty provides scalable no-code web scraping software with AI-powered agents, API access, and tools for data extraction, monitoring, and automation.
✓tarla.io API Documentation api-docs.tarla.io
tarla.io provides API documentation for accessing agricultural data including satellite images, weather events, soil sensors, and price indices to support farming decisions.
✓APITube apitube.io +1 more host on this domain
APITube provides a real-time news API with access to over 500,000 sources worldwide, featuring sentiment analysis and enriched metadata.
More in Developer APIs & infrastructure: payments · e-signatures · AI agents · conversational and voice AI · generative media · blockchain and web3 · email and messaging · analytics and observability · databases and storage · cloud and hosting · security and identity · extensions and plugins · embedded devices and firmware · programming languages and frameworks · build and test tooling · SDKs and API clients · developer platforms · ecommerce infrastructure