{"uid":"cap_LtL-Pq0_lv-NiuYRt8LtM","slug":"crc16-checksum-decimal-calculator-f8a02d1b","name":"CRC16 Checksum (Decimal) Calculator","description":"Call when an agent needs a crc16 checksum of text as dec. No network and no LLM. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/checksum-crc16-dec first.","url":"https://agentshelf.syntexa.ch/v1/checksum-crc16-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":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_caxGZnfpBYHnLq5-gWqmD","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes the CRC16 checksum of an input text string and returns the result as a decimal integer, with no network calls or LLM involved.","exampleAgentPrompt":"Calculate the CRC16 checksum of the text 'Hello, World!' and give me the result as a decimal number.","exampleUseCases":[{"title":"Data integrity check before transmission","prompt":"Before I send this config payload over the wire, compute the CRC16 checksum of 'host=localhost;port=5432;dbname=mydb' so I can include it in the header for the receiver to validate."},{"title":"Verify downloaded file content","prompt":"I downloaded a text file and the expected CRC16 decimal checksum was 54321 — can you compute the CRC16 of its contents so I can confirm they match?"},{"title":"Checksum embedded firmware string","prompt":"I need to embed a CRC16 integrity tag in my firmware manifest. Can you compute the decimal CRC16 of the string 'fw_version=2.4.1;board=esp32;build=20240501'?"}],"resultDescription":"Returns the CRC16 checksum of the provided text as a decimal integer. No network lookups or AI inference are involved; the result is deterministic and reproducible for any given input.","failureModes":["Empty or missing 'text' field returns a validation error","Text exceeding 100,000 characters is rejected","Missing or invalid API key returns 401/402 unauthorized","Malformed JSON body returns a 400 bad request"],"whenToPreferThis":"Choose this endpoint when you need a deterministic, fast, server-side CRC16 decimal checksum without implementing the algorithm locally. Especially useful in agentic pipelines where local computation is unavailable or undesirable, and where the exact $0.002 USDC per-call cost is acceptable. Try the free sandbox endpoint (POST /v1/sandbox/checksum-crc16-dec) first to validate behavior before paying.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T06:48:59.477Z","isFirstParty":false,"canonicalSlug":"crc16-checksum-decimal-calculator-f8a02d1b"}