Payments & Billing MCP Servers for OpenAI Agents SDK

Read incoming supplier invoices through a remote MCP server and get structured data for accounting.

Write payment chasers at three levels from the invoices that are actually overdue.

Meter, cap, and block AI agent spend before the provider is charged.

Quotes and estimates: VAT line items, a validity date, an A4 PDF, accept makes an invoice.

Premium agentic endpoint for ai-fleet-cards-mcp.

Premium agentic endpoint for cross-chain-l402-verifier-mcp.

ARCA electronic invoices (formerly AFIP) for Argentina: CUIT registration, invoices with CAE, PDF and email.

Finance/identity validation MCP server: IBAN, BIC/SWIFT, US ABA/ACH routing number, card (Luhn/BIN…

Human $1 Stripe checkout and $0.05 Base USDC agent verify over HTTP 402. Self-pay rejected.

Hosted x402 preflight for action authority, payment mandate, destination, expiry and replay.

Pay-per-call research tools for AI agents, paid via x402 USDC. Remote MCP, one free tool.

Drop-in x402 checkout for merchants: issue terms, verify payment. $0.01 each.

Optional creator-support terms and private contribution receipt tools for Gateway.

x402 pay-per-call agent tools (Base USDC): web search, URL extract, OCR, Base tx & allowance scans

13 pay-per-use Chinese tools (diagnosis, PLC, copywriting, divination), 0.05 CNY/call via A2M 402.

Manage GoCardless payments, mandates, subscriptions, refunds and payouts via AI assistants.

Before your agent acts, find missing evidence with GovOmniAI's 50-cent assurance check.

Five free MCP tools, including proof-before-payment preview, plus one authorized x402 pack.

Send invoices from Claude and ChatGPT. One sentence becomes a PDF with a Stripe payment link.

Paid tools for AI agents over x402: privacy scan, payment-address check, locks, seller marketplace

Search current x402 adoption, integrations, launches and machine-payment activity.