{"uid":"cap_NRW_74xaVGijmQqu5idaJ","slug":"agent-services-x402-hashing-encoding-tool-e9c3929f","name":"agent-services x402 Hashing & Encoding Tool","description":"Paid per-call web tools for AI agents: DNS, TLS, robots.txt, hashing, JavaScript rendering and screenshots. Payment over x402 (USDC on Base).","url":"https://49112-hjhjtioxvirqvcvo.splox.app/sha256?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","required":["v","algo"],"properties":{"v":{"type":"string","description":"value to hash/encode/decode"},"key":{"type":"string","description":"HMAC key (hmac-sha256 only)"},"algo":{"type":"string","description":"sha256|sha512|sha1|md5|hmac-sha256|base64enc|base64dec|jwt-decode"}}},"responseSchema":{"type":"object","required":["algo"],"properties":{"algo":{"type":"string","description":"echo of the requested algorithm"},"error":{"type":"string"},"digest":{"type":"string","description":"hex digest for sha256/sha512/sha1/md5/hmac-sha256"},"header":{"type":"object","description":"jwt-decode: decoded header","additionalProperties":true},"result":{"type":"string","description":"base64enc/base64dec output"},"payload":{"type":"object","description":"jwt-decode: decoded payload","additionalProperties":true},"input_bytes":{"type":"integer"},"signature_present":{"type":"boolean"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.0005","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":"$0.0005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_dt7OuEmWylR6qdVZg7SP-","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.0005","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes cryptographic hashes (SHA-256, SHA-512, SHA-1, MD5, HMAC-SHA-256) and performs Base64 encoding/decoding and JWT decoding for a given input value, paid per-call via x402/USDC.","exampleAgentPrompt":"Can you compute the SHA-256 hash of the string 'hello world'?","exampleUseCases":[{"title":"Verify file integrity via hash","prompt":"Hash this string using SHA-256 so I can check whether the content I received matches what was originally sent: 'The quick brown fox jumps over the lazy dog'"},{"title":"Sign webhook payload with HMAC","prompt":"Compute an HMAC-SHA256 digest of the value 'user_id=42&event=purchase' using the key 'my-secret-key123' so I can sign this webhook payload."},{"title":"Decode a JWT token","prompt":"Decode this JWT for me so I can see its header and payload — eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIn0.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c"}],"resultDescription":"Returns a JSON object echoing the requested algorithm, plus one or more of: a hex digest string (for SHA/MD5/HMAC algorithms), a result string (for base64 encode/decode), or decoded header and payload objects (for JWT decode), along with input byte count and signature presence flag. On failure, returns an error field describing the problem.","failureModes":["Missing required 'v' or 'algo' parameters — returns error field","Unsupported algorithm value — returns error field","HMAC-SHA256 requested without 'key' parameter — returns error","Malformed JWT input when algo=jwt-decode — returns error","Payment failure via x402 — request rejected before processing"],"whenToPreferThis":"Choose this endpoint when an AI agent needs lightweight, per-call cryptographic hashing, HMAC signing, Base64 encoding/decoding, or JWT inspection without deploying local compute — especially in serverless or constrained agent environments where micro-payment via USDC/x402 is acceptable. Ideal for integrity checks, webhook signature verification, token inspection, and encoding tasks within automated pipelines.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T06:38:13.115Z","isFirstParty":false,"canonicalSlug":"agent-services-x402-hashing-encoding-tool-e9c3929f"}