{"uid":"cap_QMQez6nVF0sRNE6veU8Zq","slug":"delx-sha256-hex-897c948a","name":"Delx SHA256 Hex","description":"SHA-256 hex digest of text. Call when you need content fingerprints for agent cache keys. Returns hex digest for $0.001 USDC via x402 on Base. No network, no keys, no retention; first-party local JSON only. Results are advisory; the caller owns budgets, auth, and production controls.","url":"https://api.delx.ai/api/v1/x402/sha256-hex","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"text":{"type":"string","description":"Input field: text."}}},"responseSchema":{"type":"json","example":{"hex":"1d6334fef87552e1f9ad7e36ae551606a62973215dcb6f9bcb2e580852febc3c","schema":"delx/util-sha256-hex/v1","algorithm":"sha256"}},"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_vo46fEnvTQijnW7l9WS0Y","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","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 hex digest of an input text string, locally and without retention, for use as a content fingerprint or cache key.","exampleAgentPrompt":"Give me the SHA-256 hex digest of the text 'Hello, world!' so I can use it as a cache key.","exampleUseCases":[{"title":"Cache key for agent responses","prompt":"Hash this API response body so I can use the digest as a cache key: '{\"user\":\"alice\",\"score\":42}'"},{"title":"Deduplication of ingested documents","prompt":"I'm ingesting articles and want to skip duplicates — can you get the SHA-256 hex fingerprint of this article text so I can check if I've seen it before?"},{"title":"Content integrity check before storage","prompt":"Before I store this config string in the database, compute its SHA-256 hex hash so I can record it alongside the data for integrity verification later."}],"resultDescription":"A JSON object containing the SHA-256 hex digest string of the provided input text. The digest is a 64-character lowercase hexadecimal string computed locally without any external network calls or data retention.","failureModes":["Empty or missing 'text' field returns an error response","Extremely large text inputs may be rejected or time out","Payment failure via x402 protocol prevents the call from completing","Malformed JSON request body results in a 400-level error"],"whenToPreferThis":"Choose this endpoint when you need a fast, cheap, local SHA-256 hex digest with no data retention and no external dependencies — ideal for generating deterministic cache keys, deduplication fingerprints, or content checksums inside an agent pipeline. Prefer it over general-purpose crypto libraries when you want a hosted, pay-per-call micro-utility that integrates with the x402 payment protocol on Base.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:57:25.792Z","isFirstParty":false}