Payments middleware

7 reusable Payments middleware libraries across every platform — libraries, SDKs, and drop-in systems. You should never have to know which ecosystem it lives in.

• asm-spec

  by YE-YI7 · Free · github

  The selection layer for agents: which tool an agent can use, should use, and pays — between discovery (MCP/ARD) and settlement (x402/AP2)

  AIEconomyPaymentsCommerce   Python

• google-account-automanager

  by ELIEER103 · Free · github

  🌐 Automate Google account tasks with FastAPI and Vue 3, including management, 2FA setup, and eligibility checks for efficient batch operations.

  Payments   PythonVue

• onyx-mcp

  by dimitrilaouanis-tech · Free · github

  Proof of Agent Execution — the neutral trust layer issuing portable, signed execution credentials for AI agents (x402 · MCP · ERC-8004).

  AIEconomyPaymentsCommerce   Python

• Ops-Center-OSS

  by Unicorn-Commander · Free · github

  Ops-Center — the control plane for a Sovereign Zero-Trust Federated Mesh. Identity, orgs, entitlements, billing, and a local-first inference gateway for the whole Unicorn Commander suite.

  AIPayments   PythonReact

• Stripe

  by Stripe · Per-transaction · Commercial · middleware

  Payments infrastructure — accept cards and wallets, subscriptions, and billing via API and SDKs.

  PaymentsCommerce   WebNode.jsPythonPHPJavaGoAndroidiOS

• TooGoodToGo-CLI

  by peterschwps · Free · github

  The only CLI for Too Good To Go (TGTG) that automates the full checkout process.

  PaymentsAutomationMonitoringDeveloper Tools   Python

• universal-web-api

  by hzuaifa25 · Free · github

  🤖 Convert popular AI websites into standard APIs for free, enabling local deployment and complete data privacy without complex setup.

  PaymentsAutomationAPI   Python