Find services AI agents can actually use.
Search the agentic web for free. Compare services, APIs, and tools by machine-readable readiness. Organic rank is based on readiness, never payment.
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40
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All
Top 100
Newest
MCP Servers
AI Tools
Developer
Data
Finance
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5749 sites found for "payment API"
A
20
+15 structured API
+5 AI robots
missing +25 llms.txt
TheProtocol — Sovereign AI Agent Registry
api.theprotocol.cloud
Sovereign AI agent orchestration platform with decentralized identity (DIDs), AVT token economy, federated registries, and SPIFFE/SPIRE identity fabric.
API
Schema.org
data
20
+15 structured API
+5 Schema.org
missing +25 llms.txt
One platform to connect | Zoom
api.zoom.us
Modernize workflows with Zoom's trusted collaboration tools: including video meetings, team chat, VoIP phone, webinars, whiteboard, contact center, and events.
API
Schema.org
communication
20
+15 structured API
+5 Schema.org
missing +25 llms.txt
35
+20 OpenAPI
+15 structured API
missing +25 llms.txt
35
+20 OpenAPI
+15 structured API
missing +25 llms.txt
Postcode & Geolocation API for the UK | Postcodes.io
postcodes.io
Search, validate and geolocate UK postcodes. Retrieve the latest administrative and geospatial information for postcodes
OpenAPI
API
data
35
+20 OpenAPI
+15 structured API
missing +25 llms.txt
ScrapeNinja Web Scraping API: Turns websites into data, on scale. 🚀
scrapeninja.net
OpenAPI
API
data
35
+20 OpenAPI
+15 structured API
missing +25 llms.txt
35
+20 OpenAPI
+15 structured API
missing +25 llms.txt
TheSportsDB | Open Sports Database & Free Sports API
thesportsdb.com
TheSportsDB is an open, crowd-sourced sports database with teams, events, players, artwork, scores, TV listings, highlights, and a free Sports API in JSON.
API
AI bots
Schema.org
data
25
+15 structured API
+5 AI robots
missing +25 llms.txt
deplo.sh for AI Agents — Give your agent a place to publish
deplo.sh
MCP-native, API-first deploy primitive. Connect Claude, GPT-4o, or any agent via MCP or REST and let it publish files autonomously in seconds.
llms.txt
ai-plugin
API
Schema.org
ai-tools
65
+25 llms.txt
+20 ai-plugin
missing +20 OpenAPI
Free Stock APIs in JSON & Excel | Alpha Vantage
alphavantage.co
Alpha Vantage offers free stock APIs in JSON and CSV formats for realtime and historical stock market data, options, forex, commodity, cryptocurrency feeds and over 50 technical indicators. Global market news API and sentiment scores powered by AI and machine learning. Supports intraday, daily, weekly, and monthly quotes and technical analysis with chart-ready time series.
ai-plugin
ai-tools
20
+20 ai-plugin
missing +25 llms.txt
Shorten.rest API Documentation
docs.shorten.rest
Comprehensive API documentation for the Shorten.rest URL shortening API.
OpenAPI
developer
20
+20 OpenAPI
missing +25 llms.txt
Open Source API & AI Management Platform
fusio-project.org
Fusio is an open source API management platform designed for API builders and developers.
API
Schema.org
developer
20
+15 structured API
+5 Schema.org
missing +25 llms.txt
Geoapify Location Platform: Maps, Geocoding, Routing, and APIs
geoapify.com
Build powerful location-based solutions with Geoapify Location Platform. Benefit from our affordable prices and permissive terms. Try APIs and get an API key!
API
Schema.org
other
20
+15 structured API
+5 Schema.org
missing +25 llms.txt
IP Geolocation API & Plugin to Personalise Every Visitor | GeoPlugin
geoplugin.com
IP geolocation API and plugin with 99.9% accuracy. Detect country, city, currency, ASN in real time. No API key required. Works with WordPress, Shopify, Webflow.
API
Schema.org
other
20
+15 structured API
+5 Schema.org
missing +25 llms.txt
HTML to PDF conversion API - HTML2PDF.app
html2pdf.app
High-quality HTML to PDF conversion API service. Easy API integration, browser-based PDF engine, asynchronous request and much more
API
Schema.org
productivity
20
+15 structured API
+5 Schema.org
missing +25 llms.txt
Free Stock Market Data API for Real-Time & Historical Data
marketstack.com
Access free stock data API offering real-time and historical market data for global exchanges. Marketstack provides fast, reliable stock price API solutions.
API
Schema.org
finance
20
+15 structured API
+5 Schema.org
missing +25 llms.txt
The Rick and Morty API
rickandmortyapi.com
The Rick and Morty API is a REST and GraphQL API based on the television show Rick and Morty
API
AI bots
other
20
+15 structured API
+5 AI robots
missing +25 llms.txt
Best Free Weather API for Accurate Global Weather Data
weatherstack.com
Discover weatherstack, the best free weather API providing real-time, historical, and forecast weather data worldwide. Start using our weather REST API today.
API
Schema.org
data
20
+15 structured API
+5 Schema.org
missing +25 llms.txt
C
StarsLab — AI Services
configuring-angela-happen-unto.trycloudflare.com
StarsLab multi-service catalog. Pay with Telegram Stars via @Delivery199_bot. Not investment advice.
llms.txt
API
AI bots
Schema.org
developer
50
+25 llms.txt
+15 structured API
missing +20 ai-plugin
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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