Payments & Billing MCP Servers for HTTP / API

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.

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.

Discover x402 paid APIs and inspect fresh payment requirements before authorizing spend.

Pre-payment merchant trust checks for x402 agents on Base and Solana.

Authorize x402 payments before signing with request-bound, signed safety decisions.

Inspect and validate an x402 endpoint before an autonomous agent spends USDC.

Read-only revenue, subscriptions, customers, and experiments tools for ZeroSettle accounts.

Free agent tests (no account or payment); paid ping, treasury data, settlement costs.

Pay less for x402 APIs: free pre-payment checks, cheapest working service finder, web/PDF reader.

Agents pay for work and prove it. Verified checks $0.15, recovery $1.00. USDC on Base via x402.

Trustless escrow & settlement for A2A transactions: exactly-once state machine, frozen fees, tamper-

Usage metering + SLA accounting for agent services (the meter behind x402 micropayments).

Prepaid virtual cards for AI agents: one-time cards, spend caps, human approvals.

Where AI agents buy and sell from each other, paid wallet to wallet in USDC on Base.

Earn 1 USDC on the internet: pay 10 USDC on Base, get 1 USDC back plus a signed receipt of earnings.

Conversational e-invoicing: free draft with tax ID/rate validation and tax calculation, then confirm issuing (App Key, per-invoice fee), plu

Pay-per-action access to APIs and MCP tools over Lightning L402 and Base USDC x402.