{"uid":"cap_CsRleV28PQHkg4buqGN9T","slug":"sha-384-digest-base64url-agentshelf-syntexa-ch-1e2355fc","name":"SHA-384 Digest (Base64URL) — agentshelf.syntexa.ch","description":"Call when an agent needs a sha384 digest of text, encoded as base64url. No network and no LLM. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/digest-sha384-base64url first.","url":"https://agentshelf.syntexa.ch/v1/digest-sha384-base64url?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"key":{"type":"string","maxLength":512,"minLength":1,"description":"HMAC secret. Required on HMAC SKUs. Omit it for plain digests and checksums. The key is not stored."},"text":{"type":"string","examples":["hello"],"maxLength":100000,"minLength":1,"description":"Message to digest. For raw-hex SKUs this is hex bytes; for utf16 or latin1 SKUs it is decoded with that encoding. Otherwise it is UTF-8 text."}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_XKhu34HJTiCL-kl8QOt_a","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes a SHA-384 cryptographic hash of input text and returns it encoded as base64url, with no network or LLM calls.","exampleAgentPrompt":"Can you compute the SHA-384 hash of the text 'Hello, world!' and give it to me encoded as base64url?","exampleUseCases":[{"title":"Integrity check for API payloads","prompt":"I need a SHA-384 base64url digest of this JSON payload string so I can include it as an integrity header: '{\"user\":\"alice\",\"action\":\"transfer\",\"amount\":100}'"},{"title":"Content fingerprinting for deduplication","prompt":"Hash this article text with SHA-384 and return the base64url encoding so I can use it as a deduplication key: 'The quick brown fox jumps over the lazy dog. Lorem ipsum dolor sit amet...'"},{"title":"Deterministic ID generation from text","prompt":"Give me the SHA-384 base64url digest of the string 'product:category:widget-v2' so I can use it as a stable, collision-resistant identifier."}],"resultDescription":"Returns a SHA-384 cryptographic digest of the submitted text, encoded in base64url format (no padding, URL-safe characters). The response is deterministic — the same input always yields the same output.","failureModes":["Text exceeds 100,000 character limit — request rejected","Empty text or key field — validation error","Missing required 'text' field — schema validation failure","Payment not provided or incorrect amount — HTTP 402 response","Network error reaching the endpoint"],"whenToPreferThis":"Prefer this endpoint when you need a SHA-384 digest (not SHA-256, SHA-512, or BLAKE2b) specifically in base64url encoding, particularly for JWT headers, URL-safe integrity tokens, or systems that require the SHA-384 algorithm. Use the free sandbox endpoint (POST /v1/sandbox/digest-sha384-base64url) first to test. Choose this over SHA-256 when compliance or protocol requirements mandate SHA-384 strength.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T06:47:04.841Z","isFirstParty":false,"canonicalSlug":"sha-384-digest-base64url-agentshelf-syntexa-ch-1e2355fc"}