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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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5745 sites found for "payment API"
Web Data Labs — {ACTOR_COUNT} Scraper APIs, No Account Required
frog03-20494.wykr.es
{ACTOR_COUNT} production scraper APIs for LinkedIn, Twitter, Google, Amazon and more. Pay per result on Apify. No OAuth, no SDK.
OpenAPI API Schema.org developer
40
+20 OpenAPI +15 structured API missing +25 llms.txt
Social Intel API — Instagram Influencer Search API | Pay-per-request
api.socialintel.dev
Find Instagram influencers with business emails in one API call. 100 leads for $1.30 — no signup, no subscription. Pay per search with USDC.
llms.txt ai-plugin OpenAPI API AI bots Schema.org data
90
+25 llms.txt +20 ai-plugin missing +10 MCP
M
The future of payments, built for technical teams | Moov
moov.io
llms.txt API finance
40
+25 llms.txt +15 structured API missing +20 ai-plugin
CoinVoyage
coinvoyage.io
Seamless Cross-Chain Crypto Payments for Your Business
API finance
15
+15 structured API missing +25 llms.txt
APILayer: 40+ Production-Ready APIs, One Account, One Key
apilayer.com
APILayer is a unified API marketplace with 40+ production-ready APIs for finance, geolocation, weather, data, and AI. Trusted by 2.2M+ developers.
llms.txt API Schema.org developer
45
+25 llms.txt +15 structured API missing +20 ai-plugin
APIstax - Secure and reliable APIs
apistax.io
APIstax - Secure and reliable APIs for your common business needs
llms.txt API Schema.org developer
45
+25 llms.txt +15 structured API missing +20 ai-plugin
Store More and Do More with Your Data | Wasabi
wasabi.com
With Wasabi, you pay only for what you store. Enjoy the freedom to access your data whenever you want, without fees for egress or API requests.
llms.txt API Schema.org data
45
+25 llms.txt +15 structured API missing +20 ai-plugin
satoshidata.ai — Bitcoin Chain Intelligence API
satoshidata.ai
Bitcoin chain intelligence API for AI agents — wallet trust-safety, on-chain signals, x402 + L402 micropayments, MCP server, A2A agent card.
llms.txt ai-plugin OpenAPI API Schema.org MCP developer
95
+25 llms.txt +20 ai-plugin missing +5 AI robots
Commerce Infrastructure for AI Agents | AgentClear
agentclear.dev
The discovery, payments, and trust layer for AI agents. Semantic search, per-call billing, trust-scored APIs. $5 free credits — no credit card.
llms.txt API developer
40
+25 llms.txt +15 structured API missing +20 ai-plugin
A
AgentServices — Premium APIs for AI Agents
agentservices.to
Paid data APIs for AI agents. Crypto market data, DeFi yields, IP geolocation, dispute resolution, marketing intelligence. Powered by x402 micropayments on Base.
llms.txt ai-plugin OpenAPI API AI bots Schema.org MCP ai-tools
100
+25 llms.txt +20 ai-plugin
Arch Tools — 63 AI Agent Tools in One API (x402, LangChain, MCP)
archtools.dev
One API key, 63 AI agent tools: web search, scraping, AI generation, OCR, crypto data. LangChain + MCP ready. Pay per call with credits or x402/USDC.
llms.txt ai-plugin OpenAPI API Schema.org MCP ai-tools
95
+25 llms.txt +20 ai-plugin missing +5 AI robots
Z
zlurp — Web Scraping API for AI Agents
zlurp.ai
Any URL to clean markdown. Web scraping API for AI agents. Pay $0.005 per scrape via USDC on Base. No accounts, no API keys, no subscriptions.
llms.txt ai-plugin OpenAPI API AI bots Schema.org ai-tools
90
+25 llms.txt +20 ai-plugin missing +10 MCP
BlockRun — The routing & payment layer for AI
blockrun.ai
BlockRun lets agents pay for the outcome — every model, tool and data source, best value per dollar. 106 models and 100 tool APIs, OpenAI-compatible.
llms.txt OpenAPI API AI bots Schema.org ai-tools
70
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
Elisym - Open Infrastructure for AI Agent Discovery & Payments
elisym.network
Open infrastructure for AI agents to discover, hire, and pay each other - no accounts, no API keys, no middleman. Built on Nostr and Solana.
API Schema.org developer
20
+15 structured API +5 Schema.org missing +25 llms.txt
Best Crypto Payment Gateway for Businesses | Coinremitter
coinremitter.com
Accept crypto payments for your business with Coinremitter, the world’s most affordable crypto payment gateway with just 0.23% crypto processing fees.
llms.txt API Schema.org finance
45
+25 llms.txt +15 structured API missing +20 ai-plugin
Optimize your payments, reduce costs up to 40%
fractalpay.com
Embedded seamlessly in construction platforms like Command Alkon, Sky Systemz, and EasyPay, Fractal delivers the fastest, lowest-cost payments—no extra accounts, no extra clicks
API developer
15
+15 structured API missing +25 llms.txt
Razorpay USA - Accept Online Payments Seamlessly
razorpay.com
Accept online payments in the US with Razorpay using cards, ACH, digital wallets and more. Sell in India, settle in USD and scale with easy integrations.
llms.txt ai-plugin OpenAPI API AI bots Schema.org finance
90
+25 llms.txt +20 ai-plugin missing +10 MCP
ContrastAPI — Security Intelligence API
api.contrastcyber.com
Free security intelligence API and MCP server with 55 tools: CVE, domain recon, threat intel, MITRE ATLAS, D3FEND, code security. No API key required.
llms.txt ai-plugin OpenAPI API AI bots Schema.org MCP data
100
+25 llms.txt +20 ai-plugin
the402 — the open network for the agent economy
the402.ai
Find a service, request custom work, or offer your own. The open network where AI agents and humans hire each other and pay in USDC — with escrow, portable reputation, and x402 payments built in.
llms.txt API AI bots Schema.org ai-tools
50
+25 llms.txt +15 structured API missing +20 ai-plugin
AgentResolver — x402 Payment Preflight & PayTo Verification
agentresolver.vercel.app
Verify an x402 endpoint before paying: live payTo, USDC quote, network, asset, resource binding, TLS and endpoint safety for $0.001 on Base or Solana.
llms.txt ai-plugin OpenAPI API AI bots Schema.org MCP developer
100
+25 llms.txt +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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