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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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5748 sites found for "payment API"
Frankfurter | Free exchange rates API
frankfurter.app
Free, open-source exchange rates API sourcing from 84 central banks. Current and historical rates for 201 currencies. No API key required.
llms.txt API Schema.org finance
45
+25 llms.txt +15 structured API missing +20 ai-plugin
Jev AI API & Playground — Try Jev Free Online, No Waitlist | Optio
jevai.website
Jev AI API and free playground by Optio. Call the Jev decision model — choice, score and yes/no with calibrated probabilities — over a drop-in /v1/systemone API. No waitlist, pay-as-you-go credits.
llms.txt API Schema.org ai-tools
45
+25 llms.txt +15 structured API missing +20 ai-plugin
Context.dev: Web Scraping API for AI Agents & LLMs
link.context.dev
Context.dev is a web scraping API for AI agents: scrape any URL into LLM-ready Markdown, crawl entire sites, and extract structured data with one REST API.
llms.txt API Schema.org ai-tools
45
+25 llms.txt +15 structured API missing +20 ai-plugin
Exa | Search API for AI Agents — Real-Time Web Data
metaphor.systems
Search API for AI agents that need real-time web data, deep research, and structured content from one endpoint. Try our API for free.
llms.txt API Schema.org ai-tools
45
+25 llms.txt +15 structured API missing +20 ai-plugin
Fast, Easy Website and HTML to PDF Converter via API | PDFShift
pdfshift.io
An API to convert HTML/CSS documents to PDF. PDFShift is the reliable, Up-to-date and high-fidelity conversion API with no maintenance costs.
llms.txt API Schema.org productivity
45
+25 llms.txt +15 structured API missing +20 ai-plugin
SERP API for Developers - Scrape Google Results in Real-Time | Zenserp
zenserp.com
Fetch live Google search results via a fast, reliable SERP API. JSON responses in <500ms. 99.9% uptime. Free plan available - Get your free API key today.
llms.txt API Schema.org data
45
+25 llms.txt +15 structured API missing +20 ai-plugin
HubSpot Developers | Create tomorrow's solutions today on HubSpot's Developer Platform.
api.hubspot.com
Craft experiences with HubSpot’s Developer Platform—APIs, SDKs, tooling, and sample apps, plus a world-class builder community. Get started with a free account.
API productivity
15
+15 structured API missing +25 llms.txt
PiAPI - central hub for your generative AI APIs
piapi.ai
Generative AI APIs for your project, including Flux API, Dream Machine API, Kling, Hailuo, DeepSeek, and more! Sign and try for free!
llms.txt API ai-tools
40
+25 llms.txt +15 structured API missing +20 ai-plugin
agentsbase — Email Infrastructure for AI Agents | Mailbox API
agentsbase.net
Give your AI agent its own email address. Create mailboxes, send and receive emails, auto-extract verification codes. Free tier includes 500 sends/month.
llms.txt API Schema.org MCP developer
55
+25 llms.txt +15 structured API missing +20 ai-plugin
Bowmark AI: Give your AI agent every website as an API
bowmark.ai
Bowmark turns everything a person can do on the internet into a typed JavaScript library. Your agent calls a function and gets back real data, without ever opening a browser.
llms.txt API Schema.org MCP ai-tools
55
+25 llms.txt +15 structured API missing +20 ai-plugin
onchain.wick.pics — multi-chain token-safety API (PulseChain, Base, Monad, BSC, Robinhood)
onchain.wick.pics
Rug & honeypot safety checks for any token — across PulseChain (which GoPlus & Honeypot.is don't cover), plus Base, Monad & BSC. 0–100 safety verdicts with evidence, fresh-pool rug radar & exit-safety, for agents, bots & traders. Free to start; pay-per-call via x402.
llms.txt OpenAPI AI bots Schema.org other
55
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
0nMCP — The Universal AI API Orchestrator
0nmcp.com
The universal AI API orchestrator. 1,640+ tools across 111 services. One install. Zero config. MIT licensed. Powered by 5 patented technologies.
llms.txt AI bots Schema.org MCP ai-tools
45
+25 llms.txt +10 MCP missing +20 ai-plugin
Predict Age From a Name - Accurate Age Inference API
agify.io
Estimate age from a name. Use our API, process spreadsheets or utilize through third-party tools.
llms.txt API Schema.org ai-tools
45
+25 llms.txt +15 structured API missing +20 ai-plugin
Alpaca - Developer-first API for Stock, Options, Crypto Trading
alpaca.markets
Alpaca's easy to use APIs allow developers and businesses to trade algorithms, build apps and embed investing into their services.
llms.txt API Schema.org finance
45
+25 llms.txt +15 structured API missing +20 ai-plugin
The API Orchestration Platform for AI Agents, Web, and Mobile Apps
apollographql.com
Connect agents and apps to GraphQL and REST APIs with proven infrastructure trusted by enterprise leaders.
llms.txt API Schema.org developer
45
+25 llms.txt +15 structured API missing +20 ai-plugin
Property Data Analytics & AI-Powered Intelligence: API, Bulk, Cloud
attomdata.com
Unlock trusted property data and analytics with AI-powered insights. Flexible delivery options including API, bulk licensing, cloud, and MCP server.
llms.txt API Schema.org data
45
+25 llms.txt +15 structured API missing +20 ai-plugin
Fern: Docs, SDKs, and CLIs for your API
buildwithfern.com
Start with OpenAPI. Generate SDKs in multiple languages, interactive API documentation, and an agent-first CLI.
llms.txt API Schema.org developer
45
+25 llms.txt +15 structured API missing +20 ai-plugin
In-app Chat SDK & API For Messaging And Calling - CometChat
cometchat.com
Build real time chat, voice and video calling experience with CometChat's flexible SDKs, APIs & UI Kits. Sign up now!
llms.txt API Schema.org developer
45
+25 llms.txt +15 structured API missing +20 ai-plugin
ContextWire — AI-Powered Research & Context API for Developers
contextwire.dev
Free search API for AI agents. 94.3% SimpleQA accuracy, 105 engines, MCP server. 1,000 free queries per month.
llms.txt API Schema.org developer
45
+25 llms.txt +15 structured API missing +20 ai-plugin
Free IP-to-Country Geolocation API | Country
country.is
Country is a free IP-to-country geolocation API that returns a user’s country based on their IP address.
llms.txt API Schema.org data
45
+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"
Agent Docs
llms.txt OpenAPI spec ai-plugin.json

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