{"uid":"cap_T-CMHu6qT7yQNBoLwrErK","slug":"crc16-ccitt-checksum-decimal-calculator-eb9a5aba","name":"CRC16-CCITT Checksum (Decimal) Calculator","description":"Call when an agent needs a crc16-ccitt checksum of text as dec. No network and no LLM. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/checksum-crc16-ccitt-dec first.","url":"https://agentshelf.syntexa.ch/v1/checksum-crc16-ccitt-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":"0.004","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":"$0.004/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Ip8daqb6B6COqw9ue-5pw","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.004","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes the CRC16-CCITT checksum of input text and returns the result as a decimal integer.","exampleAgentPrompt":"Can you calculate the CRC16-CCITT checksum of the text 'Hello, World!' and give me the result as a decimal number?","exampleUseCases":[{"title":"Firmware payload integrity check","prompt":"I need to verify the CRC16-CCITT checksum of this firmware packet string '\\x01\\x02\\x03\\xFF\\xAB' before transmission — can you give me the decimal checksum value?"},{"title":"Protocol message validation","prompt":"Before I send this MODBUS message '010300000002C40B', can you compute its CRC16-CCITT checksum in decimal so I can append it for validation?"},{"title":"Data pipeline checksum tagging","prompt":"I'm tagging records in my pipeline — compute the CRC16-CCITT checksum as a decimal number for this record: 'user_id=42,event=purchase,amount=99.99'."}],"resultDescription":"A decimal integer representing the CRC16-CCITT checksum of the provided text. No network calls or LLM inference are involved — the computation is deterministic and exact.","failureModes":["Empty or missing text field returns a validation error","Text exceeding 100,000 characters is rejected","Invalid or missing API key results in authentication failure","Malformed request body returns a 400 Bad Request error"],"whenToPreferThis":"Choose this endpoint when you need the CRC16-CCITT checksum variant specifically in decimal (base-10) format rather than hexadecimal. It is a pure computation endpoint with no external dependencies, making it deterministic and fast. If you need hex output or a different checksum algorithm (Adler32, CRC32C, Fletcher16), use the corresponding sibling endpoints on the same provider.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T06:50:18.031Z","isFirstParty":false,"canonicalSlug":"crc16-ccitt-checksum-decimal-calculator-eb9a5aba"}