{"uid":"cap_d5UqeAxNwGkvCMp-J4sPr","slug":"chargeback-reason-code-compelling-evidence-3-0-guide-49a230eb","name":"Chargeback Reason Code & Compelling Evidence 3.0 Guide","description":"Card network dispute reason code lookup & Visa Compelling Evidence 3.0 (CE3.0) rebuttal guide. Pass ?network=visa|mastercard|amex (default visa) & ?code=10.4|13.1|13.3|4853 (default 13.1). Returns dispute definition, required compelling-evidence exhibits, CE3.0 historical-order match rules, and 3-part rebuttal letter structure.","url":"https://x402-niche-briefs.fly.dev/v1/chargeback-reason-code-guide?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["network","code"],"properties":{"code":{"enum":["10.4","13.1","13.3","4853"],"type":"string","description":"Dispute reason code"},"network":{"enum":["visa","mastercard","amex"],"type":"string","description":"Card network"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["as_of","requested_network","requested_code","matched_guide","rebuttal_letter_structure","disclaimer"],"properties":{"as_of":{"type":"string"},"disclaimer":{"type":"string"},"matched_guide":{"type":"object","required":["network","code","category","title","what_it_means","compelling_evidence_checklist","prevention_tactics"],"properties":{"code":{"type":"string"},"title":{"type":"string"},"network":{"type":"string"},"category":{"type":"string"},"what_it_means":{"type":"string"},"prevention_tactics":{"type":"array","items":{"type":"string"}},"compelling_evidence_checklist":{"type":"array","items":{"type":"string"}}}},"requested_code":{"type":"string"},"requested_network":{"type":"string"},"rebuttal_letter_structure":{"type":"array","items":{"type":"string"}}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_2EtysgAKBqyOf9eOO3c_K","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Looks up card network chargeback dispute reason codes and returns CE3.0 rebuttal requirements, evidence checklists, and a 3-part rebuttal letter structure for Visa, Mastercard, or Amex disputes.","exampleAgentPrompt":"I just got a Visa chargeback with reason code 13.1 — can you pull up the dispute definition, the compelling evidence checklist including CE3.0 historical-order match rules, and the 3-part rebuttal letter structure so I know exactly how to respond?","exampleUseCases":[{"title":"Rebutting a Visa fraud chargeback","prompt":"We received a Visa 10.4 dispute claiming the transaction was fraudulent — can you look up what that reason code means, what compelling evidence we need to submit, and give me the CE3.0 historical order match rules and rebuttal letter outline?"},{"title":"Responding to Mastercard service dispute","prompt":"A customer filed a Mastercard 4853 chargeback against us. Can you look up what that reason code means and give me the evidence checklist and rebuttal letter structure we need to fight it?"},{"title":"Amex dispute rebuttal preparation","prompt":"We got an Amex chargeback with code 13.3 — can you pull the dispute definition, the required compelling evidence exhibits, and the recommended 3-part rebuttal letter format so our team can prepare a response?"}],"resultDescription":"Returns the matched dispute guide including: the card network and reason code, category, title, plain-English explanation of what the dispute means, a checklist of compelling evidence to gather, CE3.0 historical-order match rules (for Visa), prevention tactics, a 3-part rebuttal letter structure, a freshness date, and a disclaimer.","failureModes":["Unsupported reason code — only 10.4, 13.1, 13.3, and 4853 are supported; other codes return no match","Unsupported network — only visa, mastercard, and amex are accepted; other values may return an error","Stale guidance — the 'as_of' date indicates when the guide was last updated; CE3.0 rules may evolve","Payment failure — $0.01 USDC x402 payment required; insufficient funds or unsupported wallet returns 402"],"whenToPreferThis":"Choose this endpoint when a merchant or payment operations agent needs a structured, actionable chargeback response guide for a specific card network reason code, particularly when CE3.0 Visa rebuttal strategy is needed. Best for automating dispute response workflows where the reason code is already known. Not suitable for open-ended dispute research beyond the four supported codes or for real-time network rule updates.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-30T19:05:45.741Z","isFirstParty":false,"canonicalSlug":"chargeback-reason-code-compelling-evidence-3-0-guide-49a230eb"}