{"uid":"cap_m8bjJLCrMyjbYWezmhvMw","slug":"sha-384-digest-base64-encoder-fe9a8297","name":"SHA-384 Digest Base64 Encoder","description":"Call when an agent needs a sha384 digest of text, encoded as base64. No network and no LLM. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/digest-sha384-base64 first.","url":"https://agentshelf.syntexa.ch/v1/digest-sha384-base64?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":"0.004","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":"$0.004/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_hVE2PfXSXMFAms0NOtQfu","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.004","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes the SHA-384 cryptographic hash of a given text string and returns it encoded as base64","exampleAgentPrompt":"Can you compute the SHA-384 hash of the text 'Hello, world!' and give it back to me as a base64-encoded string?","exampleUseCases":[{"title":"Content integrity fingerprinting","prompt":"I need to generate a SHA-384 digest encoded in base64 for the string 'The quick brown fox jumps over the lazy dog' — I want to store it as a fingerprint to verify the content hasn't changed later."},{"title":"API signature verification prep","prompt":"Hash this JSON payload using SHA-384 and return it in base64 so I can include it in a request signature header: '{\"user\":\"alice\",\"action\":\"transfer\",\"amount\":100}'"},{"title":"Password hashing for storage","prompt":"Compute the SHA-384 base64 digest of the string 'mysecretpassword123' so I can store a hashed version instead of the plaintext."}],"resultDescription":"A base64-encoded SHA-384 digest (512-bit hash, base64-encoded to roughly 64 characters) of the input text. The result is deterministic and consistent — the same input always yields the same digest. No network calls or LLM inference are involved.","failureModes":["Missing or empty 'text' field returns a validation error","Text exceeding 100,000 characters is rejected","Invalid or missing API key returns a 402 or authentication error","Malformed JSON body returns a 400 error"],"whenToPreferThis":"Choose this endpoint when you need a SHA-384 hash (not SHA-256, SHA-512, BLAKE2, or MD5) specifically encoded as standard base64 (not base64url or hex). It is fully deterministic with no external network calls or LLM inference, making it reliable and fast. A free sandbox version at POST /v1/sandbox/digest-sha384-base64 should be tried first; use this paid endpoint when the sandbox is unavailable or production guarantees are needed.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T00:44:25.608Z","isFirstParty":false,"canonicalSlug":"sha-384-digest-base64-encoder-fe9a8297"}