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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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5749 sites found for "payment API"
Certman - Certificate Authority That Scales
certman.app
Create root CAs, issue unlimited TLS certificates, and automate PKI via API. PKI for any scale, from home lab to business of any size.
llms.txt OpenAPI API Schema.org security
65
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
Favicon Downloader – Extract Favicons from Any Website
favicondl.com
Get the favicon from any website for free. Extract ICO, PNG, SVG and Apple touch icons at full size, bulk download, or use the no-key favicon API.
llms.txt OpenAPI API Schema.org other
65
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
ACHIVX Forum — Q&A and knowledge base for AI agent developers
forum.achivx.com
Q&A & knowledge for AI agent developers — MCP, A2A, tooling. Threads, signed answers, and provider reviews, wired through one API.
llms.txt OpenAPI API AI bots ai-tools
65
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
machins — The agent-to-agent marketplace
machins.co
The first agent-to-agent marketplace. Autonomous AI agents trade tasks, data, APIs, models and digital assets — with each other, not with humans.
llms.txt ai-plugin API Schema.org ai-tools
65
+25 llms.txt +20 ai-plugin missing +20 OpenAPI
OpenCage - Easy, Open, Worldwide, Affordable Geocoding and Geosearch
opencagedata.com
Worldwide forward and reverse geocoding API. Affordable, predictable pricing. GDPR compliant, made with open data, trusted by thousands of developers.
llms.txt OpenAPI API Schema.org data
65
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
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Animica Pool — mine + AI in one command
pool.animica.org
Run mining and AI with a single command (animica up): SHA3 proof-of-work, ENA useful-work, train-together pools, serve-while-train, an OpenAI-compatible API, and Bittensor on qualified GPUs — all paid in ANM.
llms.txt OpenAPI API Schema.org ai-tools
65
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
QuizAPI - Developer-First Quiz Platform
quizapi.io
Create, share, and embed quizzes with a powerful REST API. AI-powered quiz generation, leaderboards, and gamification built in.
llms.txt OpenAPI API Schema.org education
65
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
ReadGZH - 微信文章 AI 阅读器 | 让 AI 读懂微信公众号
readgzh.site
ReadGZH：粘贴微信公众号文章链接，一键生成 AI 可直接读取的精简页面。支持 REST API 与 MCP 协议，可配合 ChatGPT、Claude、DeepSeek、豆包等工具使用；缓存文章读取不扣积分。
llms.txt ai-plugin API Schema.org communication
65
+25 llms.txt +20 ai-plugin missing +20 OpenAPI
Create Beautiful Twitter Screenshots in Seconds - TwitterShots
twittershots.com
Turn any Tweet or X post into stunning share-ready images. API, bulk processing & custom branding. Trusted by 10,000+ creators.
llms.txt OpenAPI API Schema.org developer
65
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
Alchemy Documentation - Build anything onchain
docs.alchemy.com
Learn how to use Chain APIs, Data APIs, Webhooks, Smart Wallets and AI developer tools to create powerful onchain experiences.
llms.txt API developer
40
+25 llms.txt +15 structured API missing +20 ai-plugin
S
SWAPI - A New Hope
swapi.tech
Here to stay - The Star Wars API, or "swapi" (Swah-pee) is the world's first quantified and programmatically-accessible data source for all the data from the Star Wars canon universe! We've taken all the rich contextual stuff from the universe and formatted into something easier to consume with software. Then we went and stuck an API on the front so you can access it all!
llms.txt API other
40
+25 llms.txt +15 structured API missing +20 ai-plugin
Waifu.im
waifu.im
The API for your Waifu content. Access thousands of categorized anime illustrations via our robust REST API or browse freely.
llms.txt API other
40
+25 llms.txt +15 structured API missing +20 ai-plugin
Shodan Developer
developer.shodan.io
Complete reference documentation for the Shodan API
llms.txt OpenAPI API security
60
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
Welcome to Val Town | Docs | Val Town
docs.val.town
Deploy agents, APIs, static sites, apps, and crons with JavaScript
llms.txt OpenAPI API developer
60
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
Oblipali — SMS marketing Shopify, Sheets et agents IA
oblipali.app
Automatisez vos SMS : relance de paniers abandonnés Shopify, envois depuis Google Sheets et Trello, API MCP pour agents IA. Tarifs transparents, 90+ pays.
llms.txt API AI bots Schema.org MCP communication
60
+25 llms.txt +15 structured API missing +20 ai-plugin
R
FUTURE Reliability Pack | AI Agent Infrastructure
reliability-pack-worker.animixel.workers.dev
Operational reliability APIs for AI agents: normalize JSON-like payloads, contract test tools, and generate evidence packs.
llms.txt OpenAPI API developer
60
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
ShieldAPI | RAW SECURITY FEED
shield.vainplex.dev
ShieldAPI - x402 security preflight API for AI agents before they pay, connect, install, delegate, or execute.
llms.txt OpenAPI API ai-tools
60
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
Tavily
tavily.com
Tavily is the real‑time search engine for AI agents and RAG workflows — Fast and secure APIs for web search and content extraction.
llms.txt API AI bots Schema.org MCP ai-tools
60
+25 llms.txt +15 structured API missing +20 ai-plugin
Trellistate — free AI-readable real estate listing exchange
trellistate.com
Post and search residential and commercial real estate listings on a free, public, AI-readable property listing exchange with APIs for agents.
llms.txt API AI bots Schema.org MCP ecommerce
60
+25 llms.txt +15 structured API missing +20 ai-plugin
Fraud Detection Solution To Prevent Fraud and Reduce Chargeback
fraudlabspro.com
FraudLabs Pro provides advanced fraud prevention solution with customizable rules and seamless API/SDK integration for businesses of all sizes.
API Schema.org developer
20
+15 structured API +5 Schema.org 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"
Agent Docs
llms.txt OpenAPI spec ai-plugin.json

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