"API Documentation Resources" matching MCP connectors:

See what actually settles on x402: wash-adjusted volume, payTo checks. Free, no key, no signup.

Reviewed competitor pricing, offer comparisons, and market-change evidence with x402 payments.

Pay-per-use tool API for AI agents. Free tier, x402 USDC micropayments, or API key.

Pre-payout IBAN screening for AI agents: validation, sanctions, Swiss clearing, risk scoring

Agent-to-business commerce sandbox: intents, offers, bookings. Demo data, ed25519-signed calls.

Fail-closed refund, cancellation, return, and trial checks for 100 US subscription vendors.

320 AI models + 2,720 pay-per-call APIs. x402 USDC on Base or Solana, no API key.

Verified directory for machine payments (x402 & MPP): check services and wallets before agents pay.

Split shared expenses in a group — no account needed. See who owes whom and settle up.

Issue and top up x402 virtual cards or buy Freeland travel eSIMs with Base USDC.

Discover and purchase four Base Sepolia test-USDC services through the public Wever Pay MCP.

Monetize any MCP server: x402 paywall, pay-per-call billing in USDC on Base, agent marketplace.

Looks up the full data of an electronic invoice (NFe) from the access key. Platform-hosted, no crede

Score two AI outputs, get exact failure reasons, and issue a $0.25 USDC receipt via x402.

x402-paid agent tools: 18 over HTTP, 14 over stdio. USDC per call, no API key.

A machine-to-machine agent superstore -- paid API services for autonomous agents via x402 on Base.

AI/LLM agent output audit MCP: policy eval, tamper-evident chain, AI safety, x402 USDC on Base.

Find available sponsorship slots and create buyer-confirmed Stripe Checkouts on kannkidas.de.

German e-invoicing: generate XRechnung 3.0, pre-check and extract (incl. ZUGFeRD PDF). Paid.

Zyrvix crypto-payments API reference for AI coding assistants. Anonymous, read-only.