{"uid":"cap_qPiXIUlxVUhHqIrQtAp0C","slug":"industrial-platform-web-tools-checksum-d3ca9b93","name":"Industrial Platform Web Tools – Checksum","description":"Machine-payable x402 utilities for hashing, Base64, UUID generation, unit and timezone conversion, realtime crypto market data, webpage/document extraction, URL-to-Markdown, metadata, RAG ingestion and deterministic website change detection.","url":"https://x402-gateway-production-1f21.up.railway.app/checksum?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"type":"object","required":["data"],"properties":{"data":{"type":"string","maxLength":250000}},"additionalProperties":false},"type":{"type":"string","const":"http"},"method":{"enum":["POST"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"status":"ready"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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_RlxfVPsiVyukskfPKkiEQ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes a cryptographic checksum for arbitrary text or binary-encoded data, enabling data integrity verification over the x402 payment protocol.","exampleAgentPrompt":"Can you compute a checksum for this text string — 'Hello, world! This is my payload.' — so I can verify its integrity later?","exampleUseCases":[{"title":"Data integrity before file upload","prompt":"Before I upload this document text to storage, compute a checksum for it so I can verify nothing got corrupted in transit: 'Annual report Q4 2024: revenue was $4.2M...'"},{"title":"Deduplication fingerprinting pipeline","prompt":"I'm building a deduplication pipeline — can you hash this content string so I can compare it against previously seen records? The data is: 'user_id:9821, event:purchase, item:SKU-4421'"},{"title":"Tamper detection for audit logs","prompt":"Generate a checksum for this audit log entry so I can detect if it gets modified later: '2024-11-15T10:33:00Z admin deleted user account id=5521'"}],"resultDescription":"Returns a JSON response containing the computed checksum or hash for the submitted data, along with a status field confirming the operation succeeded. The checksum serves as a deterministic fingerprint of the input.","failureModes":["Data string exceeds 250,000 character limit — payload rejected","Missing required 'data' field in body — validation error","Invalid bodyType enum value — request rejected","Network or payment authorization failure returns HTTP 402"],"whenToPreferThis":"Choose this endpoint when you need a machine-payable, lightweight checksum or hash computation without setting up your own cryptographic infrastructure. Ideal for agents embedded in workflows that need on-demand, per-call integrity verification billed at $0.001 USDC via x402.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T12:39:17.305Z","isFirstParty":false,"canonicalSlug":"industrial-platform-web-tools-checksum-d3ca9b93"}