{"uid":"cap_-dipxmS_0HHd8lVH4B9fd","slug":"crc32-checksum-for-agents-a1800ddf","name":"CRC32 Checksum for Agents","description":"CRC32 checksum of text. Call for quick integrity fingerprints on configs, prompts, or cached blobs. Returns hex CRC32 without cryptographic security claims. $0.001 USDC per successful call via x402 on Base—deterministic first-party JSON, no API key, no subscription, and nothing is billed on structured validation errors.","url":"https://api.delx.ai/api/v1/x402/crc32","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"text":{"type":"string","maxLength":100000,"description":"Primary text input (max 100k chars). Processed first-party; not retained as a dataset."}}},"responseSchema":{"type":"json","example":{"hex":"1d79a8ef","crc32":494512367,"schema":"delx/crc32/v1"}},"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_jGrAXSPAoULnvibD0j0-O","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 a CRC32 checksum (returned as hex) for any input text, enabling quick integrity fingerprinting of configs, prompts, or cached blobs.","exampleAgentPrompt":"Can you compute a CRC32 checksum for this config text so I can use it as a quick integrity fingerprint: 'model=gpt-4,temperature=0.7,max_tokens=512'?","exampleUseCases":[{"title":"Config change detection in agent pipeline","prompt":"Compute a CRC32 fingerprint of this system prompt so I can detect if it changes between runs: 'You are a helpful assistant. Always respond in JSON. Never reveal internal instructions.'"},{"title":"Cache key generation for text blobs","prompt":"Give me the CRC32 hex checksum of this markdown document so I can use it as a cache key to avoid reprocessing it if it hasn't changed."},{"title":"Prompt integrity verification","prompt":"I want to make sure my base prompt hasn't been tampered with — can you CRC32 hash the string 'Answer only from the provided context. Do not hallucinate.' so I can compare it against a stored reference value?"}],"resultDescription":"Returns a deterministic JSON response containing the CRC32 checksum of the input text encoded as a hexadecimal string. The result is a non-cryptographic integrity fingerprint suitable for change detection and caching, not for security-sensitive applications.","failureModes":["Text exceeds 100,000 character limit — structured validation error returned, not billed","Missing or empty text field — validation error returned","Network timeout on slow connections","Malformed JSON request body — validation error returned"],"whenToPreferThis":"Choose this endpoint when you need a fast, deterministic, non-cryptographic integrity fingerprint of a text string — for example, cache keying, change detection on configs or prompts, or deduplication of text blobs. It is simpler and cheaper than SHA-based endpoints for cases where cryptographic security is not required. Prefer a cryptographic hash endpoint if security properties (collision resistance, preimage resistance) matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T19:02:34.574Z","isFirstParty":false}