Payments & Billing MCP Servers for Grok Build

Read SuperFaktura invoices, clients, expenses, bank and stock; create clients, expenses and drafts.

Free live router for paid agent APIs (x402, MPP): the best working seller for a task, plus backups.

Read Számlázz.hu invoices, PDFs, receipts, taxpayers; issue, reverse and pay invoices and receipts.

Teardrop MCP gateway: paid tools for autonomous agents (x402, credits).

Pay-per-call tools for AI agents: npm/PyPI safety check, summarize, translate, extract (x402, USDC)

Paid plans, licences, subscriptions and the paywall for Chrome extensions, on your own Stripe.

48 pay-per-call tools: search, scraping, PDF, OCR, LLM, crypto, DeFi, SEC. x402 USDC.

Veyline by Payload: agent entitlement and usage reads, signed payment preflights. No funds move.

Read and create Vyfakturuj invoices and contacts: search, number series, payment methods, tags.

FX, funding rates, token cross-rates, weather joins, Solana dossiers, x402 audits. USDC per call.

Audits any URL for HTTP 402 x402 V2 compliance, PAYMENT-REQUIRED headers, Bazaar schema, and MCP.