{"uid":"cap_O1fOQASZufhzPufglp87o","slug":"bounty-engineer-hash-api-cff6f888","name":"Bounty Engineer Hash API","description":"Machine-buyable infrastructure for autonomous agents: API cost routing, margin optimization, funding-rate data, webpage extraction, result verification, spend controls, retry planning, state, tender search and GitHub bounty intelligence.","url":"https://bounty-engineer-x402-prod.onrender.com/v1/hash?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"text":{"type":"string","maxLength":32768}}},"responseSchema":{"type":"json","example":{"ok":true,"result":{"bytes":3,"base64":"YWJj","sha256":"ba7816...","sha512":"ddaf35..."}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_SBPLUbd5zwiMuopKB0V9w","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Hashes an input text string and returns its SHA-256, SHA-512, and Base64 encodings along with byte size","exampleAgentPrompt":"Can you hash this text for me and give me its SHA-256, SHA-512, and base64 encoding: 'Hello, world! This is my contract payload.'","exampleUseCases":[{"title":"Verify document integrity before submission","prompt":"Hash this contract text so I can check its integrity later — give me the SHA-256 and SHA-512: 'This agreement is entered into on January 1, 2025 between Party A and Party B...'"},{"title":"Generate fingerprint for deduplication","prompt":"I need a SHA-256 fingerprint of this log entry so I can deduplicate it in my pipeline: 'ERROR 2025-01-15T10:23:45Z service=auth msg=invalid_token user=abc123'"},{"title":"Encode webhook payload for signing","prompt":"Give me the base64 and SHA-256 hash of this JSON webhook body so I can attach it as a signature header: '{\"event\":\"purchase\",\"amount\":49.99,\"userId\":\"u_8821\"}'"}],"resultDescription":"Returns a JSON object with ok:true, plus a result object containing: bytes (integer byte count of the input), base64 (Base64-encoded representation of the input), sha256 (hex SHA-256 digest), and sha512 (hex SHA-512 digest).","failureModes":["Input text exceeds 32768 character limit — returns an error","Malformed request body or missing text field — 400 Bad Request","Payment not included or insufficient — 402 Payment Required","Service unavailable on Render hosting — 503 or timeout"],"whenToPreferThis":"Use this endpoint when you need cryptographic hashes (SHA-256 and SHA-512) and Base64 encoding of a text string in a single call, especially within an agent workflow that already uses x402 micropayment infrastructure. Prefer it over local hashing only if you need a verifiable third-party computation receipt or are operating in a sandboxed environment without native crypto libraries.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T18:41:45.299Z","isFirstParty":false,"canonicalSlug":"bounty-engineer-hash-api-cff6f888"}