Payments & Billing MCP Servers for HTTP / API

MEOK Google AP2 Mandate MCP — issue + verify + revoke signed user-side spend authorisations for

Launch products and branded checkouts on Payments AI, the Merchant of Record for AI-built apps.

Give your AI agent an x402 wallet: discover and pay for services in USDC, or earn from your own.

The system of record for AI agent authority: playbooks, routed policy questions, reusable rules.

Tools to explore SumUp accounts, payments, customers, and payouts.

PayPal MCP server provides access to PayPal services and operations for AI assistants

Trust-minimized USDC escrow for autonomous agent transactions

Compliant invoicing for freelancers: create, issue and track invoices from your AI agent.

Virtual corporate debit card issuer for autonomous bot transactions.

Issues CFDI 4.0 invoices and resolves SAT codes for AI agents in Mexico, with per-API-key permissions.

Diagnose x402 seller endpoints: what is wrong with your 402 challenge, and how to fix it.

Premium agentic endpoint for chargeback-insurance-pool-mcp.

Premium agentic endpoint for clawback-prevention-sentinel-mcp.

InvoiceOracle - 10 e-invoicing tools: XRechnung, ZUGFeRD, Peppol, validation, archive.

Kazakhstan payments for AI agents — cards (Freedom Pay) via Freedom Pay. Never holds funds.

x402 paid APIs for AI agents on Base. Blockchain, wallet, DEX, crypto, web search.

MCP server integrating with Stripe - tools for customers, products, payments, and more.

CrossingKey MCP for agent commerce, prepaid credits, and bounded paid XKEY validation.

Validate Factur-X, CII & UBL e-invoices free, no key. Generate compliant invoices from JSON.

Scan pasted Stripe webhook/checkout code for common integration bugs.

Free self-hosted x402 USDC billing for Cloudflare MCP servers, with a Base Sepolia test endpoint.