Payments & Billing MCP Servers for Grok Build

Query your ISP's revenue, subscribers, payments and routers. Needs a Centipid account and API key.

Before an agent pays, get a verdict and a keepable receipt. Not insurance. Not custody.

Verify Thai bank transfer slips: amount, receiver, date, and duplicate reuse via check_slip.

Read and manage Churnkey cancel flows, retention metrics, and payment recovery

Payment rails for AI agents. Pay merchants in USDC on Base. Dual-protocol: x402 + OKX APP.

Issue a credit memo against an invoice or standalone, with per-line tax and totals.

x402 pay-per-call: 146 MCP tools, no account or key. USDC on Base + Solana, $0.001-$0.01/call.

Freelance deposit and payment schedule for AI assistants

Pay-per-call agent tools: Polymarket signals, IPFS pinning, EIP-712 attestations. USDC on Base.

Remote MCP + OAuth to create, edit and convert quotes and invoices from MCP-capable AI; PDF generation, share URLs, item master, saved learn

Fakturownia.pl (Polish invoicing) via MCP: invoices, clients, products, warehouse. Full read-write.

KoSIT-verified German e-invoices: generate & validate ZUGFeRD, Factur-X, XRechnung, EN 16931.

Read a Finero workspace and issue payment links, as the person who approved it.

Create ZUGFeRD e-invoices from JSON or PDF, verify Factur-X, check VAT IDs and Peppol.

x402 payment preflight for agents: mandate, amount, destination, merchant, expiry and replay.

Create PDF invoices from your AI chat: clients, numbering, VAT, overdue reports. All data is local.

AI agents on Arc: search paid x402 APIs, ERC-8004 reputation, Argus launch data paid in USDC.

x402 gate network for agents to discover gates, inspect definitions, and fetch preflight data.

One-cent x402 and MCP readiness checks plus fixed-price marketplace launch packs.

Creates compliant French e-invoices locally: Factur-X PDF/A-3 with EN 16931 CII XML, legal numbering

Discover and call 2,000+ x402 machine-payable services through one graded API key + gateway.