{"uid":"cap_mcHmBOrVak2f1UP09XeRR","slug":"syntexa-agentshelf-fletcher32-checksum-decimal-2f0a8444","name":"Syntexa AgentShelf Fletcher32 Checksum (Decimal)","description":"Call when an agent needs a fletcher32 checksum of text as dec. No network and no LLM. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/checksum-fletcher32-dec first.","url":"https://agentshelf.syntexa.ch/v1/checksum-fletcher32-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_zt3ta-eiAxjR84efmfC0z","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 Fletcher-32 checksum of the provided text and returns it as a decimal integer","exampleAgentPrompt":"Can you compute the Fletcher-32 checksum of the text 'Hello, world! This is a test string.' and give me the result as a decimal number?","exampleUseCases":[{"title":"Integrity check for config file content","prompt":"I need the Fletcher-32 checksum as a decimal for this config snippet: 'server_host=localhost;port=8080;timeout=30' so I can verify it hasn't changed."},{"title":"Checksum for log deduplication pipeline","prompt":"Generate a Fletcher-32 decimal checksum for this log line: '2024-01-15T10:23:45Z ERROR connection refused host=db01' — I'm using it to deduplicate log entries."},{"title":"Data fingerprint for document versioning","prompt":"What's the Fletcher-32 checksum in decimal for this paragraph: 'The quick brown fox jumps over the lazy dog. Pack my box with five dozen liquor jugs.'? I want to use it as a version fingerprint."}],"resultDescription":"Returns a Fletcher-32 checksum value as a decimal integer, computed purely server-side without any network calls or LLM inference. The result is deterministic and reproducible for the same input text.","failureModes":["Empty or missing text field returns a validation error","Text exceeding 100,000 characters is rejected","Missing or invalid API key returns an authentication error","Malformed JSON body returns a 400 bad request","Payment not completed (x402) results in a 402 Payment Required response"],"whenToPreferThis":"Choose this endpoint when you need a deterministic Fletcher-32 checksum returned as a decimal integer and cannot or prefer not to compute it locally. Prefer the free sandbox endpoint (POST /v1/sandbox/checksum-fletcher32-dec) first for testing. Use this paid endpoint in production agentic pipelines where checksum computation needs to be outsourced reliably at $0.008 USDC per call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T06:50:15.569Z","isFirstParty":false,"canonicalSlug":"syntexa-agentshelf-fletcher32-checksum-decimal-2f0a8444"}