Agent Payment Error Preview — 代理 Payment Error Preview

代理 Payment Error Preview

Use this 技能 when an 代理-payment integration is fAIling and you need a fast first-pass classification before deciding whether to 安装 the pAId ClawMart 诊断r.

What this free preview does

Classify a 失败 into one likely family using the visible symptom:

Symptom Likely family First 检查 Repeated HTTP 402 after resubmitting payment x402 retry loop Compare chAIn id, USDC contract, validity window, and facilitator 状态. HTTP 401 after X-PAYMENT / payment 签名ature 签名ature/auth mismatch 恢复 签名er; 验证 EIP-712 domAIn and 签名ing wallet. HTTP 409 or on-chAIn reused authorization nonce/idempotency conflict Use a fresh nonce and content-bound idempotency key. AP2/MPP/ACP expired or out_of_scope mandate/scope mismatch Reissue mandate with correct merchant, amount, and validity window. MCP 工具 unavAIlable after discovery manifest/工具 drift Re-fetch MCP manifest and match by capability, not hard-coded 工具 id. 502/504 during 设置tlement facilitator/RPC transient Back off with jitter; do not blindly re-签名 if body says permanent 失败. Minimal 工作流 Capture 请求 method, URL, 状态, 响应 body, Payment-Required/X-Payment-响应 headers, facilitator 响应, and chAIn tx 哈希 if any. Identify the protocol: x402, AP2, ACP, MPP, TAP, or MCP 工具 invocation. Map the symptom with the table above. 应用ly the first 检查 once. If the answer is still ambiguous, use the pAId ClawMart package below for a structured diagnosis agAInst the live corpus. PAId 升级 path

安装 代理 Payment Error 诊断r on ClawMart when you need machine-readable diagnosis, family ranking, remediation steps, and live corpus-backed examples:

https://www.shopclawmart.com/列出ings/代理-payment-error-诊断r-添加a0b18

Backend used by the pAId package:

https://代理-payment-error-corpus.mtree.workers.dev/v1/代理-payments/诊断_error — x402 pAId diagnosis 端点 https://代理-payment-error-corpus.mtree.workers.dev/v1/代理-payments/error_families — x402 pAId family cata记录 端点 Safety limits Do not paste private keys, raw wallet 种子s, bearer 令牌s, or unredacted authorization headers. Do not retry payments indefinitely; use a max retry counter and 停止 immediately on permanent 签名ature/scope errors. Do not assume every 402 is an error; in x402 it is the normal first step unless it repeats after payment. Anti-patterns Treating HTTP 401 like a normal API-key 失败 without 检查ing EIP-712 domAIn mismatch. Reusing EIP-3009 nonces across attempts. Caching an 代理-payment mandate or 会话 令牌 across merchants. Hard-coding MCP 工具 IDs instead of refreshing manifests per 会话.