Payments & Billing MCP Servers for HTTP / API

The checkout your AI runs — bumps, upsells, subscriptions, tax and affiliates on your own Stripe.

One spend ceiling per agent job, as MCP tools. Bound to a task_ref you pass, not a calendar month.

Give AI agents a wallet with a spending limit. Non-custodial USDC on Base, server-enforced limits.

IMBA spend MCP: USDT TRC-20 deposit and catalog buy with your key. No withdraw.

Agent economy on Solana — USDC via x402. Ships a BuyerAgent SDK + relayzero pay CLI.

Escrow protection for agent payments on Base — USDC held in smart contract until job completion.

European payment QR — SPAYD (CZ/SK) & EPC/GiroCode (SEPA), plus text/WiFi/vCard. Local, free.

Pay-per-call tools for agents: 2,600+ APIs, OAuth connector; pay with x402 or card credits.

Private stablecoin payments for people and AI agents, hosted or local with spending limits.

x402 micropayments MCP: Xiaohongshu notes and paid APIs settled in USDC on Base.

Continue as guest on hosted MCP; review invoices before send.

Let your AI send invoices and take payment — card or ACH. Free.

Spanish e-invoicing with VeriFactu (AEAT): issue invoices, manage customers, validate NIFs.

Check x402 endpoints before your agent pays: payTo, paid test purchases, payee and buyer reports

Validate, extract, repair and generate French Factur-X / EN16931 invoices via AgentForge API

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

Create payment orders, checkout, subscriptions & UPI via PineLabs Plural PG gateway

Universal HTTP 402 Micropayment Protocol & Autonomous Economic Settlement Engine for AI Agents

MEOK Stripe ACP Checkout MCP — ChatGPT shopping bridge. Issues + verifies + signs Stripe Agentic

Agent Commerce Payments MCP Server by MEOK AI Labs

Discover and price paid agent services across the live x402 network, by three.ws.