{"uid":"cap_NkYS3bedW9-qiSdNaM-92","slug":"agentshelf-content-hash-sha-256-md5-7594cff6","name":"AgentShelf Content Hash (SHA-256 / MD5)","description":"Call when an agent needs a SHA-256 or MD5 hex digest of provided text. No network. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/content-hash first.","url":"https://agentshelf.syntexa.ch/v1/content-hash?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"text":{"type":"string","examples":["hello"],"maxLength":100000,"minLength":1,"description":"Text to hash. No fetch."},"algorithm":{"enum":["sha256","md5"],"type":"string","examples":["sha256"],"description":"sha256 or md5. Default sha256."}}},"responseSchema":null,"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_Ku_WF1PQkydsJcXeJk_qf","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 a SHA-256 or MD5 hex digest of provided text, entirely server-side with no external network calls.","exampleAgentPrompt":"Can you give me the SHA-256 hex digest of the text 'Hello, world!'?","exampleUseCases":[{"title":"Deduplication fingerprint for documents","prompt":"Hash this document excerpt with SHA-256 so I can use it as a deduplication key: 'The quick brown fox jumps over the lazy dog.'"},{"title":"MD5 checksum for legacy compatibility","prompt":"I need the MD5 hex digest of the string 'user:password123' — my legacy system expects MD5 checksums for comparison."},{"title":"Content integrity verification","prompt":"Compute the SHA-256 hash of this JSON payload so I can compare it against a known checksum and confirm nothing was tampered with: '{\"order_id\":\"abc123\",\"amount\":49.99}'"}],"resultDescription":"Returns a hex-encoded hash string (SHA-256 or MD5) of the submitted text. No network calls are made; the result is deterministic and reproducible for identical inputs.","failureModes":["Empty or missing 'text' field returns a validation error","Text exceeding 100,000 characters is rejected","Invalid 'algorithm' value (anything other than 'sha256' or 'md5') returns a bad request error","Payment failure (insufficient USDC balance or x402 protocol error) blocks the call"],"whenToPreferThis":"Choose this endpoint when you need a quick, deterministic SHA-256 or MD5 hex digest of text without setting up local crypto libraries. Especially useful in agent pipelines where only these two standard algorithms are needed and a tiny per-call cost ($0.001 USDC) is acceptable. For SHA-3 or BLAKE2 digests, use sibling endpoints on the same host. Always try the free sandbox endpoint (POST /v1/sandbox/content-hash) first if available.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T06:47:59.030Z","isFirstParty":false,"canonicalSlug":"agentshelf-content-hash-sha-256-md5-7594cff6"}