{"uid":"cap_ebBQa-Kq49sSB9kiH5_Xt","slug":"plaintext-approval-payload-explainer-bb578d10","name":"PlainText Approval Payload Explainer","description":"What would signing this allow? Paste a wallet approval, transaction or typed-data signature before someone signs it: returns a SAFE, CAUTION or RISK verdict with a short plain-language explanation of what it gives away","url":"https://plaintext.fizzl.eu/api/explain?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"data":{"type":"object","description":"Approval/permission JSON payload to explain (max 5000 characters)"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.03","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":"$0.03/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_TF2hBijcFx1p2djCtHzAH","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.03","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Analyzes a pasted approval or permission JSON payload and returns a plain-language explanation with a SAFE, CAUTION, or RISK verdict","exampleAgentPrompt":"Can you explain what this approval payload actually does and tell me if it's safe to sign? Here's the JSON: {\"spender\":\"0xabc...\",\"value\":\"115792089...\",\"token\":\"USDC\"}","exampleUseCases":[{"title":"Reviewing a suspicious wallet approval","prompt":"I just got asked to sign this approval in my wallet and I'm not sure if it's legit — can you paste this JSON into PlainText and tell me if it's a SAFE, CAUTION, or RISK? {\"spender\":\"0xdeadbeef\",\"value\":\"unlimited\",\"token\":\"WETH\"}"},{"title":"Auditing a dApp permission before connecting","prompt":"Before I connect to this new DeFi app, I want to understand what permissions it's asking for. Here's the permission payload it sent — can you explain it in plain English and give me a risk verdict?"},{"title":"Checking an NFT marketplace approval","prompt":"This NFT marketplace is asking me to approve all my tokens before I can list — can you analyze this approval JSON and tell me if it's safe or if I should be worried? {\"operator\":\"0x123...\",\"approved\":true,\"type\":\"setApprovalForAll\"}"}],"resultDescription":"A plain-language explanation of what the approval or permission payload authorizes, accompanied by a verdict of SAFE, CAUTION, or RISK indicating the potential danger level of signing or accepting the permission.","failureModes":["Payload exceeds 5000 character limit — returns error","Malformed or non-JSON input — parsing failure","Unrecognized payload format — may return low-confidence explanation","Network timeout — no verdict returned","Missing 'data' field in request body — validation error"],"whenToPreferThis":"Use this endpoint when a user needs to understand an approval or permission payload in human-readable terms before signing or accepting it — especially useful for blockchain wallet approvals, smart contract permissions, or any structured authorization request. Ideal when the user is non-technical and needs a plain-language risk assessment rather than raw data parsing. Prefer this over generic LLM summarization when you specifically need a structured SAFE/CAUTION/RISK verdict.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-18T06:33:22.746Z","isFirstParty":false,"canonicalSlug":"plaintext-approval-payload-explainer-bb578d10"}