x402 pay-per-call: 146 MCP tools, no account or key. USDC on Base + Solana, $0.001-$0.01/call.
1,034 MCP servers
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.
Paid MCP tools behind one endpoint. Agents pay per call in USDC on Base via x402.
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.
Non-custodial crypto payments for AI assistants: balances, payments, and create payment links.
Official HitPay MCP: sales, payouts, balances; create payment links and invoices. OAuth; no refunds.
Remote MCP for ifthenpay payments: Multibanco, MB WAY and Payshop.
Invoicing, time tracking, and billing for freelancers and small firms, run in plain language.
India GST e-invoicing for AI agents - generate, query, cancel IRNs at the IRP via a GSP. Stateless.