Payments & Billing MCP Servers for Grok Build

Accept crypto payments from AI agents: invoices + hosted checkout on 5 chains. No API key.

x402 HTTP 402 + MCP paywall: charge USDC per agent call. Self-host via npx or Docker.

MCP server for Braspag — Cielo orchestration, token vault (Protected Card), recurrence, split

MCP server for Adyen Checkout API v71 — enterprise payments (iFood, Uber, Spotify in LatAm)

MCP server for Circle — USDC payments, wallets, payouts, transfers

MCP server for Access Worldpay — enterprise processor: authorize, capture, refund, tokenize

MCP server for Getnet — Santander-owned BR acquirer: credit, debit, Pix, boleto, marketplace split

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

MCP server for iugu — invoices, subscriptions, customers, payment methods

MCP server for NuPay — Nubank merchant checkout: Pix + wallet one-click for 100M+ BR users

PagBrasil — cross-border acquiring into Brazil: Pix, Boleto Flash, refunds

Read-only MCP server for querying Stripe customers, payments, and invoices.

MCP server for Stone — open banking, payments, Pix, transfers

Screens x402 payments before settlement for injected payee addresses and sellers who never deliver.

Card Machine Pricing: the printed in-person transaction rate, read from providers (read...

x402station.io: independent risk-signal layer for x402 endpoints before agents pay.

Freelance invoice ops MCP — overdue status, tone suggestion, and reminder drafts

Wallets, payments and human hiring for AI agents: pay other agents, escrow a budget, hire a person.

AlgoVoi crypto payments via MCP: USDC + native on Algorand, VOI, Hedera, Stellar.

EUR settlement for AI agents. Trust scoring, market data, crypto analytics. 16 free tools.

Official Billium MCP server: manage crypto invoices, payments, and webhooks from any MCP host.