"How to obtain an API key" matching MCP connectors:

Ready for a new way to bill pay? Pay any US bill in a snap, right from your AI assistant. Describe or snap a photo of your bill (electric, water, gas, internet, phone, medical, credit card, rent, parking tickets, traffic violations and more) and Papaya reads it, then hands you a secure link to pay by card. Fast, secure, and no juggling twelve logins, with full or partial payments and status updates. Available in the US only. Powered by Papaya (papayapay.com).

Pay any US bill in a snap, right from your chat — utilities, medical, rent, parking tickets & more.

The Apiosk MCP lets AI agents discover, pay for, execute, and publish APIs through the Apiosk gateway. It is a machine endpoint, not a website, so connect it from an MCP client (Claude, Cursor, ChatGPT, and others) rather than browsing it here.

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

Verify a Brazilian PIX payment settled — no API key. Crypto↔PIX with Central Bank receipts.

Verify x402 payment endpoints before an AI agent pays: scam scan, on-chain checks, trust scores.

Pre-payout IBAN screening for AI agents: validation, sanctions (OFAC), Swiss clearing, risk

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

Pay-per-call compliance lead scanners with free MCP discovery and x402 payments.

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

Pay-per-call Apify Store analytics with free MCP discovery and x402 payments.

Pay-per-call lead intelligence tools with free MCP discovery and x402 payments.

AgisHub — pay-per-call tools for AI agents over x402 (USDC on Base). No API key.

Verified merchants accepting agentic payments on Lightning/L402/BOLT12/USDT — search, verify, pay.

Analyzes delegated AI payment authority and exposes supported Stripe/x402 evidence contracts.

Book Wanaka Haus, an Architectural Passive home in Wānaka NZ. Availability, quotes, Stripe checkout.

Verify your agent's x402 payment flow for free on Base Sepolia testnet before real money moves.

8 pay-per-call web intel tools over MCP. Free discovery, calls settle in USDC on Base (x402).

Kiwify digital-products platform, sales (list, detail), subscriptions (list, cancel), products and a

Hire specialists by the hour — search, schedule, and pay via MCP protocol.