{"uid":"cap_Nq_K9PbTG6Yu9lOpYXjpw","slug":"agent402-tools-checksum-1d9fc0b7","name":"agent402.tools Checksum","description":"Compute MD5, SHA-1, SHA-256, SHA-512, and CRC32 checksums of a string in a single call. Useful for verifying file or payload integrity across different checksum standards without needing five separate tools.","url":"https://agent402.tools/api/checksum","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"data":{"type":"string","description":"The string to compute checksums for (max 10MB)"}}},"responseSchema":{"type":"json","example":{"md5":"5eb63bbbe01eeed093cb22bb8f5acdc3","sha1":"2aae6c35c94fcfb415dbe95f408b9ce91ee846ed","crc32":"0d4a1185","sha256":"b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9","sha512":"309ecc489c12d6eb4cc40f50c902f2b4d0ed77ee511a7c7a9bcd3ca86d4cd86f989dd35bc5ff499670da34255b45b0cfd830e81f605dcf7dc5542e93ae9cd76f"}},"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_Erulkm7pJpHVUfcP6nwVv","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 MD5, SHA-1, SHA-256, SHA-512, and CRC32 checksums of a string in a single API call","exampleAgentPrompt":"Can you compute the MD5, SHA-256, and SHA-512 checksums of this string for me: 'Hello, world!'","exampleUseCases":null,"resultDescription":"Returns MD5, SHA-1, SHA-256, SHA-512, and CRC32 hash values for the input string, all computed in a single response — allowing cross-standard integrity verification without multiple API calls.","failureModes":["Input string exceeds 10MB limit — request rejected","Empty or missing 'data' field — validation error returned","Non-string input type — schema validation failure","Payment not attached or insufficient — 402 Payment Required"],"whenToPreferThis":"Choose this endpoint when you need multiple checksum formats simultaneously for a single string or payload, avoiding the overhead of calling five separate hashing tools. Ideal for integrity verification workflows that must satisfy multiple standards (e.g. both SHA-256 and MD5 consumers) or when auditing data against checksums of unknown algorithm.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T19:14:06.185Z","isFirstParty":false}