Payments & Billing MCP Servers for Grok Build

One integration, one wallet. Thousands of callable tools, paid per call in USDC via x402.

Stone acquirer (card machine) sales via the Reconciliation API, read-only; lists transactions for a period.

SWIPIFY invoices, quotes, clients and statistics. Read and drafts only, no issuing.

Thailand Leceipt e-Tax: AI agents create, poll and download e-Tax Invoices, stateless BYO.

Recurring subscriptions billing: schedule once, auto-generate due invoice PDFs.

Server-side purchase verification and entitlements for Google Play and Apple App Store over MCP.

Pay x402 resources on U.CASH from your own wallet: view the price, pay on-chain, settle by hash.

Uganda payments for AI agents — MTN MoMo via Flutterwave. Never holds funds.

Uruguay DGI e-Factura (CFE): AI agents submit signed sobres to DGI e-invoicing, stateless forwarder.

Recomputes a usage-based bill from a customer-supplied tariff (graduated per-meter tiers, optiona...

MCP server for Lemon Squeezy — stores, products, orders, subscriptions, license keys.

Check an x402 endpoint before your agent pays: pay, skip or recheck. Plus a verified x402 catalog.

Factur-X compliance: 21 PDF/A-3 criteria, XML CII EN 16931 and BR-FR. Local, free analysis.

Marketplace and payment rail for AI agents: list, buy and settle with signed receipts.

Vietnam MISA meInvoice: AI agents create, publish and query e-invoices, stateless BYO.

Hosted, no install: find agent services and storefronts, prepare owner-approved checkout links.

Create, update, and revoke Apple Wallet and Google Wallet passes from any MCP client.

Saudi payments, OTP/SMS, KYC, ZATCA e-invoicing and shipping for AI coding agents.

x402 pay-per-call APIs over MCP, settled in USDC on Base for autonomous agents and developers.

MCP server for Sherweb — billing, subscriptions, customers, and product catalog.

The x402 agent market on Base: sellers, prices, on-chain payments, operators, buyers. Dated.