{"uid":"cap_m49ZODbIJD5E85ytMTdFv","slug":"grokzilla-sha-256-hash-1923ca82","name":"Grokzilla SHA-256 Hash","description":"Hash a string with SHA-256 and return hex plus a short prefix. Deterministic, no network.","url":"https://grokzilla.shop/api/skills/sha256?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"text":{"type":"string","maxLength":400000},"encoding":{"type":"string","default":"utf-8","maxLength":16}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","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":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_6XYfhiDweLTdwUFndfMxg","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Hashes an input string with SHA-256 and returns the hex digest with a short prefix, computed deterministically with no network calls.","exampleAgentPrompt":"Hash this string with SHA-256 and give me the hex digest: 'Hello, world! This is my test message.'","exampleUseCases":[{"title":"Content fingerprinting for deduplication","prompt":"Can you SHA-256 hash this article text so I can use it as a fingerprint to detect duplicates? Here's the text: 'Lorem ipsum dolor sit amet, consectetur adipiscing elit...'"},{"title":"Verifying file integrity by hash","prompt":"Compute the SHA-256 hex digest of this file content string so I can compare it against the expected checksum: 'f47ac10b-58cc-4372-a567-0e02b2c3d479 filedata payload here'"},{"title":"Generating deterministic identifiers","prompt":"I need a deterministic SHA-256 hash of the string 'user:42:session:2024-06-01' to use as a unique identifier — can you compute that?"}],"resultDescription":"Returns the SHA-256 hash of the input text as a lowercase hexadecimal string, prefixed with a short label. The result is fully deterministic: the same input always yields the same output regardless of when or how many times it is called.","failureModes":["Input text exceeds the 400,000 character limit — returns a validation error","Invalid or unsupported encoding value — returns an error indicating the encoding is not recognized","Empty or missing text field — may return an error or hash of empty string depending on implementation","Payment failure via x402 — returns HTTP 402 if USDC micropayment is not processed"],"whenToPreferThis":"Choose this endpoint when you need a simple, pay-per-call SHA-256 hash computation without standing up your own infrastructure, especially in agent workflows that already use x402 micropayment rails. It is ideal for deterministic fingerprinting, integrity checks, or identifier generation within automated pipelines where installing a local crypto library is undesirable or unavailable.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T00:44:37.260Z","isFirstParty":false,"canonicalSlug":"grokzilla-sha-256-hash-1923ca82"}