Payments & Billing MCP Servers for OpenAI Agents SDK

Serbia SEF eFaktura invoices for AI agents: build UBL 2.1 SRB-CIUS, upload to SEF, query, cancel.

Singapore payments for AI agents — PayNow QR via HitPay. Never holds funds.

Stripe billing for indie apps: plans, coupons, subscriptions, customers and revenue reporting.

AI agent spending controls. Set limits, blocklists, and caps. Approve transactions from your phone.

Read payment settings, orders and receipts, create payment links and API keys.

Sweden Peppol BIS 3.0 e-invoices for AI agents: send, check recipient, get delivery proof.

Sweden payments for AI agents — Klarna via Stripe. Never holds funds.

Switzerland payments for AI agents — TWINT via Stripe. Never holds funds.

Synergy: paid AI-agent utility tasks over x402 (USDC Base) via MCP.

Tesorio's order-to-cash tools — query customers, invoices, receivables, payments, and more.

Tollbooth Authority — Certified Purchase Order Service for DPYC operators

Tollbooth Authority New England — sub-regional certifier under North America

Read-only payment state for USDC on Base/Solana (Bridge, Circle): completed, failed, or delayed.

Pay-per-call intel bridge for AI agents — 18 tools; tolled lanes $0.02 USDC via x402

United Arab Emirates payments for AI agents — Apple Pay / cards via Tap Payments. Never holds funds.

MCP server for Modern Treasury — payment orders, transactions, counterparties and ledgers.

Pay-per-call web intel: extract, search, link check, domain, geo, Nano. Settled via Nano x402.

Pay-per-use AI tools monetized via x402 USDC micropayments on Base, Solana, and Arc.

Read-only MCP tools for ISO 8583 and SWIFT MT/MX: parse, validate, diff, SR2026 address checks.

Self-facilitated x402/MCP payments for hosted endpoints, rail proofs, receipts, and agents.

Ranked search over 15k+ live x402 services by real 30-day usage; free top-5, paid depth via x402.