{"uid":"cap_mayUS093ZydQfp4WJzdnz","slug":"capi2-sha-256-hashing-utility-6390b3e3","name":"capi2 SHA-256 Hashing Utility","description":"Paid x402 utilities and live intelligence for autonomous agents: hashing/encoding plus public web lookup, domain intelligence, API discovery audit, evidence extraction and x402 health.","url":"https://capi2-demand-tools.onrender.com/v1/hash/sha256","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"text":{"type":"string","minLength":1,"description":"UTF-8 text to process."}}},"responseSchema":{"type":"json","example":{"hex":"55ea...","bytes":11,"base64":"Veo...","algorithm":"sha256"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.0005","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":"$0.0005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_wZymt22UuSgamu52BltZx","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.0005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes the SHA-256 hash of arbitrary UTF-8 text, returning the hex digest, base64 encoding, and byte count.","exampleAgentPrompt":"Can you compute the SHA-256 hash of the text 'Hello, world!' and give me both the hex digest and the base64 encoding?","exampleUseCases":[{"title":"Data integrity verification before upload","prompt":"Hash this JSON payload 'user_id:42,action:purchase,amount:99.99' with SHA-256 so I can attach the hex digest as a checksum before sending it to the API."},{"title":"Deduplication fingerprinting for content","prompt":"Give me the SHA-256 hex fingerprint of this article excerpt so I can check if I've already processed it: 'Autonomous agents are transforming enterprise workflows by...'"},{"title":"Audit trail hash generation","prompt":"I need to log a tamper-evident record — compute the SHA-256 hash of 'event:login,user:alice,timestamp:2025-01-15T10:30:00Z' and return both the hex and base64 forms."}],"resultDescription":"A JSON object containing the SHA-256 hash in hex format, the same hash encoded as base64, the byte length of the input, and the algorithm name ('sha256').","failureModes":["Empty or missing 'text' field returns a 400 validation error","Input too large may result in a timeout or request rejection","Payment failure (insufficient USDC balance) returns an x402 payment-required error","Service unavailability on Render free tier may cause cold-start delays or 503 errors"],"whenToPreferThis":"Choose this endpoint when an AI agent needs a fast, pay-per-call SHA-256 hash without managing any cryptographic library or infrastructure — ideal for agents operating in x402-enabled micropayment environments where spinning up local crypto is impractical or not permitted.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T18:41:17.070Z","isFirstParty":false}