{"uid":"cap_TWhc7GBevQlHX0Vuk6MAv","slug":"sha-256-text-hashing-tool-7a5238ae","name":"SHA-256 Text Hashing Tool","description":"Pay-per-call API for AI agents: turn any public web page or PDF into clean, LLM-ready Markdown. $0.002 per call in USDC on Base via x402. No API key, no signup.","url":"https://lin-desk-x402.lindesk.workers.dev/v1/texttools/sha256?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":["input"],"properties":{"input":{"type":"string","description":"Input text; max 100 KiB"},"encoding":{"type":"string","description":"Text encoding (default utf-8)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"op":{"type":"string"},"meta":{"type":"object","properties":{"chars_in":{"type":"integer"},"chars_out":{"type":"integer"},"elapsed_ms":{"type":"integer"}}},"result":{}}}}}}},"responseSchema":{"type":"json","example":{"op":"sha256","meta":{"chars_in":5,"chars_out":64,"elapsed_ms":0},"result":"2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824"}},"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_HhD7Yg9OZ-ZJ4fxRFEjGE","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 hash of an input text string and returns the hex digest","exampleAgentPrompt":"Can you compute the SHA-256 hash of the text 'hello'?","exampleUseCases":[{"title":"Verify file content integrity","prompt":"Hash this string with SHA-256 so I can compare it to a known checksum and confirm the content hasn't been tampered with: 'The quick brown fox jumps over the lazy dog'"},{"title":"Generate deterministic content fingerprint","prompt":"I need a unique fingerprint for this text so I can detect duplicates later — give me the SHA-256 hash of 'invoice-2024-09-01-acmecorp-$5000'"},{"title":"Checksum for audit logging","prompt":"Can you SHA-256 hash this log entry for me so I can store a tamper-evident record: 'user_id=42 action=login timestamp=2024-09-01T10:00:00Z'"}],"resultDescription":"A JSON object containing the operation name ('sha256'), metadata (chars_in, chars_out, elapsed_ms), and the result field holding the 64-character lowercase hex SHA-256 digest of the input text.","failureModes":["Input text exceeds 100 KiB limit — request rejected","Missing required 'input' query parameter — returns error","Invalid encoding specified — may return error or default to UTF-8","Network timeout on slow connections"],"whenToPreferThis":"Use this endpoint when you need a fast, pay-per-call, no-signup SHA-256 hash of a text string without maintaining any infrastructure. It is ideal for AI agents that occasionally need cryptographic hashing as a utility step without integrating a full crypto library or managing API keys.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T00:43:26.799Z","isFirstParty":false,"canonicalSlug":"sha-256-text-hashing-tool-7a5238ae"}