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        "a": "ack-pay",
        "b": "acp",
        "job": "payments.protocol",
        "title": "ACK-Pay (Agent Commerce Kit) vs Agentic Commerce Protocol (ACP)",
        "url": "https://www.anchorterminal.com/compare/ack-pay-vs-acp"
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        "b": "mpp",
        "job": "payments.protocol",
        "title": "ACK-Pay (Agent Commerce Kit) vs Machine Payments Protocol (MPP)",
        "url": "https://www.anchorterminal.com/compare/ack-pay-vs-mpp"
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        "b": "x402",
        "job": "payments.protocol",
        "title": "ACK-Pay (Agent Commerce Kit) vs x402",
        "url": "https://www.anchorterminal.com/compare/ack-pay-vs-x402"
      },
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        "a": "acp",
        "b": "l402",
        "job": "payments.protocol",
        "title": "Agentic Commerce Protocol (ACP) vs L402",
        "url": "https://www.anchorterminal.com/compare/acp-vs-l402"
      },
      {
        "a": "acp",
        "b": "mpp",
        "job": "payments.protocol",
        "title": "Agentic Commerce Protocol (ACP) vs Machine Payments Protocol (MPP)",
        "url": "https://www.anchorterminal.com/compare/acp-vs-mpp"
      },
      {
        "a": "acp",
        "b": "x402",
        "job": "payments.protocol",
        "title": "Agentic Commerce Protocol (ACP) vs x402",
        "url": "https://www.anchorterminal.com/compare/acp-vs-x402"
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        "a": "ap2",
        "b": "l402",
        "job": "payments.protocol",
        "title": "Agent Payments Protocol (AP2) vs L402",
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        "a": "ap2",
        "b": "mpp",
        "job": "payments.protocol",
        "title": "Agent Payments Protocol (AP2) vs Machine Payments Protocol (MPP)",
        "url": "https://www.anchorterminal.com/compare/ap2-vs-mpp"
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        "a": "ap2",
        "b": "x402",
        "job": "payments.protocol",
        "title": "Agent Payments Protocol (AP2) vs x402",
        "url": "https://www.anchorterminal.com/compare/ap2-vs-x402"
      },
      {
        "a": "l402",
        "b": "mpp",
        "job": "payments.protocol",
        "title": "L402 vs Machine Payments Protocol (MPP)",
        "url": "https://www.anchorterminal.com/compare/l402-vs-mpp"
      },
      {
        "a": "l402",
        "b": "x402",
        "job": "payments.protocol",
        "title": "L402 vs x402",
        "url": "https://www.anchorterminal.com/compare/l402-vs-x402"
      },
      {
        "a": "mpp",
        "b": "x402",
        "job": "payments.protocol",
        "title": "Machine Payments Protocol (MPP) vs x402",
        "url": "https://www.anchorterminal.com/compare/mpp-vs-x402"
      }
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  "markdown": "- Ranked table: https://www.anchorterminal.com/categories/pay-per-call.md\n\n## Agent payment protocols\n\n- [ACK-Pay (Agent Commerce Kit) vs Agentic Commerce Protocol (ACP)](https://www.anchorterminal.com/compare/ack-pay-vs-acp.md): D 53.6 vs C 60.9\n- [ACK-Pay (Agent Commerce Kit) vs Agent Payments Protocol (AP2)](https://www.anchorterminal.com/compare/ack-pay-vs-ap2.md): D 53.6 vs C 55.3\n- [ACK-Pay (Agent Commerce Kit) vs L402](https://www.anchorterminal.com/compare/ack-pay-vs-l402.md): D 53.6 vs C 60.5\n- [ACK-Pay (Agent Commerce Kit) vs Machine Payments Protocol (MPP)](https://www.anchorterminal.com/compare/ack-pay-vs-mpp.md): D 53.6 vs A 81.1\n- [ACK-Pay (Agent Commerce Kit) vs x402](https://www.anchorterminal.com/compare/ack-pay-vs-x402.md): D 53.6 vs A 79.7\n- [Agentic Commerce Protocol (ACP) vs L402](https://www.anchorterminal.com/compare/acp-vs-l402.md): C 60.9 vs C 60.5\n- [Agentic Commerce Protocol (ACP) vs Machine Payments Protocol (MPP)](https://www.anchorterminal.com/compare/acp-vs-mpp.md): C 60.9 vs A 81.1\n- [Agentic Commerce Protocol (ACP) vs x402](https://www.anchorterminal.com/compare/acp-vs-x402.md): C 60.9 vs A 79.7\n- [Agent Payments Protocol (AP2) vs L402](https://www.anchorterminal.com/compare/ap2-vs-l402.md): C 55.3 vs C 60.5\n- [Agent Payments Protocol (AP2) vs Machine Payments Protocol (MPP)](https://www.anchorterminal.com/compare/ap2-vs-mpp.md): C 55.3 vs A 81.1\n- [Agent Payments Protocol (AP2) vs x402](https://www.anchorterminal.com/compare/ap2-vs-x402.md): C 55.3 vs A 79.7\n- [L402 vs Machine Payments Protocol (MPP)](https://www.anchorterminal.com/compare/l402-vs-mpp.md): C 60.5 vs A 81.1\n- [L402 vs x402](https://www.anchorterminal.com/compare/l402-vs-x402.md): C 60.5 vs A 79.7\n- [Machine Payments Protocol (MPP) vs x402](https://www.anchorterminal.com/compare/mpp-vs-x402.md): A 81.1 vs A 79.7\n\n",
  "meta": {
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    "docs": "https://www.anchorterminal.com/docs/",
    "generatedAt": "2026-10-10",
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    "description": "14 head-to-head comparisons of pay-per-call payment protocols for AI agents, grouped by the job each pair shares, with benchmark scores for both sides.",
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    "title": "Pay-per-call protocols compared: 14 head-to-heads | Anchor Terminal",
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