{"uid":"cap_JxrX-v1hVzuwkDUh6v3co","slug":"crc32c-checksum-decimal-api-f4819566","name":"CRC32C Checksum (Decimal) API","description":"Call when an agent needs a crc32c checksum of text as dec. No network and no LLM. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/checksum-crc32c-dec first.","url":"https://agentshelf.syntexa.ch/v1/checksum-crc32c-dec?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":"0.008","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":"$0.008/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.008","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.008","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_J2FgPq2x8yEJaC_6V55f-","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.008","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes a CRC32C checksum of input text and returns it as a decimal integer string","exampleAgentPrompt":"Can you give me the CRC32C checksum of the text 'Hello, world!' as a decimal number?","exampleUseCases":[{"title":"File integrity verification pipeline","prompt":"Compute the CRC32C checksum in decimal for this data block so I can compare it against the stored checksum and confirm the file hasn't been corrupted: 'user_id=42;email=alice@example.com;role=admin'"},{"title":"Protocol message validation","prompt":"I need the CRC32C decimal checksum for the message 'ORDER:12345:USD:99.99:2024-06-01' to embed in a network packet header for integrity checking."},{"title":"Database record fingerprinting","prompt":"Calculate the CRC32C decimal hash for the string 'ProductSKU:AB-1023|qty:500|warehouse:NYC' — I need to store it as a fingerprint so I can detect any future changes to this record."}],"resultDescription":"Returns a CRC32C checksum of the input text encoded as a decimal integer string. The computation is performed locally with no network calls or LLM involvement, guaranteeing deterministic, reproducible results for the same input.","failureModes":["Missing or empty 'text' field returns a validation error","Text exceeding 100,000 characters is rejected","Missing or empty 'key' field returns a validation error","Payment of exactly $0.008 USDC must be provided via x402 protocol or request is rejected","Invalid JSON body returns a parse error"],"whenToPreferThis":"Choose this endpoint when you need a CRC32C checksum returned specifically as a decimal integer (not hex, base64, or other encodings). Prefer the free sandbox endpoint POST /v1/sandbox/checksum-crc32c-dec first; use this paid endpoint when the sandbox is unavailable or rate-limited. Use this over SHA-based endpoints when CRC32C compatibility with systems like Google Cloud Storage, iSCSI, or Btrfs is required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T06:50:19.859Z","isFirstParty":false,"canonicalSlug":"crc32c-checksum-decimal-api-f4819566"}