{"uid":"cap_FL3b_8YEtGjpUNzJ43IsE","slug":"x402-paid-mcp-sha-256-hash-8d642b17","name":"x402 Paid MCP — SHA-256 Hash","description":"Compute a SHA-256 hex digest of a text payload. Cryptographic hash / checksum helper. Not an attestation.","url":"https://x402-paid-mcp.vercel.app/api/v1/sha256?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"data":{"type":"string","description":"Payload to hash"},"encoding":{"type":"string","description":"utf8 | hex | base64 (default utf8)"}}},"responseSchema":{"type":"json","example":{"sha256":"2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824","encoding":"utf8"}},"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_AwLnb3kkHxDkBK-qrECnH","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 cryptographic hash of any input string, with support for utf8, hex, and base64 encodings, paid per-call via USDC on Base or Solana using the x402 protocol.","exampleAgentPrompt":"Hash the UTF-8 string 'Hello, world!' using SHA-256 — I need the hex digest.","exampleUseCases":[{"title":"Verify file integrity before processing","prompt":"Take this base64-encoded file payload and compute its SHA-256 hash so I can confirm it hasn't been tampered with before I store it."},{"title":"Deduplicate content by hash","prompt":"Hash this UTF-8 string 'invoice-2024-07-15-client42' with SHA-256 so I can use the digest as a unique key to detect duplicate records."},{"title":"Hash hex-encoded binary data","prompt":"Compute the SHA-256 digest of this hex-encoded binary blob: 'deadbeef0102030405' — give me the hash output."}],"resultDescription":"Returns the SHA-256 hash digest of the provided input data, computed server-side. The response reflects the hashed output of the input string interpreted under the specified encoding (utf8, hex, or base64). Each call costs $0.001 USDC, debited via x402 micropayment on Base or Solana.","failureModes":["Missing 'data' field — returns 400 Bad Request","Invalid encoding value (not utf8/hex/base64) — schema validation error","Malformed hex or base64 input when encoding is set accordingly — parsing error","Payment failure or insufficient USDC balance — returns 402 Payment Required","Network or Vercel cold-start timeout — transient 5xx error"],"whenToPreferThis":"Choose this endpoint when you need a paid, on-demand SHA-256 hash computation accessible via the x402 micropayment protocol, especially within agentic workflows that already use x402/USDC payments on Base or Solana. It is ideal when you want a trustless, metered cryptographic primitive without managing your own hashing infrastructure. Prefer alternatives (local computation or free APIs) when cost per call is a concern and you can hash locally.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T00:32:15.899Z","isFirstParty":false,"canonicalSlug":"x402-paid-mcp-sha-256-hash-8d642b17"}