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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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4972 sites found for "payment API"
BlindPay | Stablecoin API for global payments
blindpay.com
BlindPay is a stablecoin API infrastructure for global finance, connecting stablecoins, local payment rails, business accounts, and compliance through a unified API. We streamline global payments by ensuring full compliance and regulatory alignment, empowering companies to move money seamlessly across fiat currencies, stablecoins, and multiple blockchains.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
Verantis — verified directory for machine payments
api.verantis.ai
A neutral, continuously verified directory of machine-payable services (x402 & MPP), ranked by earned on-chain reputation and filterable by rail, chain, and category. Anchored to Bitcoin so the record can't be quietly rewritten.
llms.txt API MCP data
50
+25 llms.txt +15 structured API missing +20 ai-plugin
Chaingateway | Multi-Chain Payments API for Modern Builders
chaingateway.io
Unified blockchain payments API: ecommerce payouts, airdrops, ICOs & payment gateways. Instant webhooks. Free 7-day trial, no KYC.
OpenAPI API Schema.org ecommerce
40
+20 OpenAPI +15 structured API missing +25 llms.txt
SpherePay: Global Stablecoin Payments API & Dashboard
spherepay.co
Scale global payouts with Sphere—settle in under 30 minutes across 160+ markets using lightweight APIs, a no-code dashboard, and embedded fiat‑crypto rails.
API Schema.org productivity
20
+15 structured API +5 Schema.org missing +25 llms.txt
Crypto Payment Gateway, non-custodial, $0 fees · Shieldz
shieldz.cash
Non-custodial crypto payment gateway and API. Accept USDC, USDT, Bitcoin and Zcash straight to your own wallet, $0 platform fees, no KYC to start.
llms.txt ai-plugin OpenAPI API AI bots Schema.org MCP finance
100
+25 llms.txt +20 ai-plugin
HYRE Agent — AI-Enhanced DeFi Data API
mpp.hyreagent.fun
Pay-per-call DeFi intelligence for autonomous agents. 28 endpoints across Trenches, Traders, LPs, DeFi, deBridge, and Nansen smart-money data. Multi-chain x402 on Solana, Base, SKALE + MPP on Tempo. No API keys — payment is the only gate.
OpenAPI API AI bots other
40
+20 OpenAPI +15 structured API missing +25 llms.txt
A
Agentry — The Infrastructure Layer for Agent Commerce
agentry.com
The infrastructure layer for agent commerce. Identity, trust, orchestration, and payments for AI agents. One API — discover, verify, invoke, and pay. 122+ agents, 134 API routes.
llms.txt API AI bots Schema.org MCP developer
60
+25 llms.txt +15 structured API missing +20 ai-plugin
AI Agent Services — AgenticTotem
agentictotem.com
Pay-per-use AI services for autonomous agents. Structured web extraction via x402 or MPP payments. No accounts, no API keys.
OpenAPI API Schema.org MCP ai-tools
50
+20 OpenAPI +15 structured API missing +25 llms.txt
Paddle Developer Docs
developer.paddle.com
Build and integrate with the Paddle Billing API. Guides, API reference, and changelog for subscriptions, checkout, payments, and webhooks.
llms.txt API Schema.org ecommerce
45
+25 llms.txt +15 structured API missing +20 ai-plugin
TXRISK | Wallet Action Preflight API and x402 Risk Routes
txrisk.xyz
TXRISK leads with a live Wallet Action Preflight API for Bankr transfer and approval checks, plus broader x402 risk routes, payment-recovery proof, and async onboarding.
llms.txt OpenAPI API security
60
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
Receive tuition fees, and send commission. Made for international education payments.
qualyhq.com
llms.txt API AI bots Schema.org finance
50
+25 llms.txt +15 structured API missing +20 ai-plugin
Agent Domain Search
agentdomainsearch.com
Agent-first domain registration and DNS management. Pay with USDC on Base via x402. No accounts, no API keys.
llms.txt ai-plugin OpenAPI API AI bots Schema.org MCP developer
100
+25 llms.txt +20 ai-plugin
BlockRun — The routing & payment layer for AI
blockrun.ai
14M+ on-chain transactions. The routing & payment layer for AI. One endpoint routes to every frontier model — payment built in, settled in USDC on Base & Solana. No API keys. One install for OpenClaw (ClawRouter), Claude Code (MCP), or Franklin Agent. Per call, per token, no subscription.
llms.txt OpenAPI API AI bots Schema.org finance
70
+25 llms.txt +20 OpenAPI 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
Modern Treasury - Build Products That Move Money
moderntreasury.com
Launch payment operations in days, not months. One API for multi-rail payments with programmable accounts, real-time reporting, and built-in compliance.
API AI bots Schema.org finance
25
+15 structured API +5 AI robots 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
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
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
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
D
DevDrops — x402 Data APIs for the Agent Economy
devdrops.run
43 pay-per-query data APIs powered by x402 micropayments. Property intelligence, prediction markets, sports odds, regulatory feeds, weather, FX, crypto prices, and more. No API keys. No subscriptions. Just USDC.
llms.txt ai-plugin OpenAPI API AI bots MCP finance
95
+25 llms.txt +20 ai-plugin missing +5 Schema.org

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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