Payments & Billing MCP Servers for Devin Desktop

Invoicing tools for AI assistants: clients, draft invoices with computed tax, and email sending.

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

Compare paid agent endpoints (x402 + MCP) on price, uptime and real usage before you pay.

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.

Look up invoices, estimates, and customers. Save a draft. Nothing is sent.

Manage Invoice Ninja clients, invoices, quotes, expenses, tasks and projects.

Invoice PDFs, scans and photos to Excel, with the math checked: fields, line items and totals.

Instant x402 spend-cap pack for agents. get_quote then buy_intel_pack 5 USDC Base. No human.

ToolGuard paid gate decisions and attestation lookup. Customer API key required. Limited beta.

Pay for HTTP APIs and charge for your own: x402 micropayments in USDC on Base.

Compute and verify prices from an agent, metered per call. Works keyless on a demo tenant.

Create invoices, quotes, receipts and credit notes with GST or VAT, as prefilled links or PDFs.

Checks an electronic invoice (Factur-X, UBL, CII), a SIREN/SIRET number, a VAT number; explains a rejection.

Invoices, proposals and payments for contractors. Bilingual (ES/EN). Sign in with ManosPay.

Open-source EIP-2612 Permit-based wallet sessions for AI agents using MCP.

Pay-per-call agent tools over x402 (USDC on Base) — no signup or API key.

Place overdue B2B invoices for collection and track outreach, payments and remittances.

Shopify usage billing guard: App Events idempotency, retry risk, and cycle reconciliation.

Discover and pay for services from the Nevermined Catalog using a spend-capped budget.

Connect your AI assistant to NexPay to view payments, contacts, commissions, and exchange rates.