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AI Agent Payments

Payment Safety Pack for MCP, APIs, SDKs, and AI Agents

Build safe pay-per-call payments with Credits billing, x402, explicit fallback, settlement protection, idempotency, and double-charge prevention.

x402CreditsMCPAPIsSDKs

Everything you need to deploy and customize

  • Credits billing and x402 pay-per-call architecture
  • Safe Credits ↔ x402 fallback decisions
  • SETTLED / FAILED / UNKNOWN settlement classifier
  • Payment retry and double-charge prevention
  • Payment claims, replay protection, and idempotency
  • MCP, API, and SDK integration guidance
  • Reconciliation, observability, and incident rules
  • Fault-injection and mutation testing strategy
  • Production rollout checklist and reference interfaces

Built for developers & AI businesses

AI developers · Indie hackers · Recruiting platforms · Bootcamps · Training companies · AI startups

AI Agent Payments | HPSILab Quant Finance MCP