{"uid":"cap_2FjVmo1ApEFomtX7mPBqk","slug":"agent-dev-tools-hashing-x402-70908612","name":"Agent Dev Tools – Hashing (x402)","description":"Fast deterministic developer utilities for AI agents, paid per call in USDC via x402 (no account, no API key): UUID v4/v7, secure random numbers, dice, MD5/SHA/HMAC hashing, base64/hex/URL/HTML encoding, JSON validation/formatting, QR code SVG, password generation, JWT decoding and text statistics. Pure computation, nothing stored. Errors are never charged.","url":"https://agent-dev-tools.frcompanycheck.workers.dev/v1/hash?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["text"],"properties":{"algo":{"type":"string","example":"sha256","description":"Comma list: md5,sha1,sha256,sha384,sha512 (default sha256)"},"text":{"type":"string","example":"hello world","description":"Text to hash"},"hmac_key":{"type":"string","description":"Optional HMAC key"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"algorithms":{"md5":{"hex":"5eb63bbbe01eeed093cb22bb8f5acdc3"},"sha256":{"hex":"b94d27b9…"}}}},"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_Q-l6zClOkGEjA3gOfJUV1","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 MD5, SHA-1/256/384/512, and HMAC hashes of a given text string, returning hex digests per algorithm, paid per call in USDC via x402.","exampleAgentPrompt":"Can you compute the SHA256 and MD5 hashes of the text 'hello world' for me?","exampleUseCases":[{"title":"Data integrity fingerprinting","prompt":"Hash the string 'order-id-98432-confirmed' using SHA256 so I can use it as a fingerprint for deduplication."},{"title":"HMAC signature for webhook verification","prompt":"Generate an HMAC-SHA256 signature for the payload 'user=alice&action=login' using the secret key 'mysecretkey123'."},{"title":"Multi-algorithm checksum comparison","prompt":"Give me the MD5, SHA1, and SHA256 hashes of the text 'The quick brown fox jumps over the lazy dog' all at once so I can compare them."}],"resultDescription":"A JSON object containing a map of requested algorithm names (e.g. md5, sha256) to their computed hex digest strings. Each algorithm returns at minimum a 'hex' field with the hash output. Multiple algorithms can be returned in a single response.","failureModes":["Missing required 'text' query parameter returns an error (not charged)","Invalid algorithm name in 'algo' list returns an error (not charged)","Empty text string may return a valid hash of empty input","HMAC key provided without a supported algorithm may be silently ignored or error","x402 payment failure prevents the request from being processed"],"whenToPreferThis":"Choose this endpoint when you need fast, deterministic cryptographic hashing of text without setting up an account or API key — especially in agent workflows that already use x402 micropayment rails. Ideal for one-off hashing tasks, HMAC generation, or computing multiple hash algorithms in a single call. Prefer over self-hosted solutions when your agent environment lacks a native crypto library or when you want pay-per-use billing with no subscription overhead.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-16T06:43:51.639Z","isFirstParty":false,"canonicalSlug":"agent-dev-tools-hashing-x402-70908612"}