{"uid":"cap_uEB0g80zWQ5882RBL8WRr","slug":"x402-crypto-cryptography-api-7e216c6a","name":"x402 Crypto Cryptography API","description":"Paid cryptocurrency API endpoints via x402 micropayments","url":"https://x402-crypto.vercel.app/api/cryptography/%7Bpath%7D","method":"POST","headers":{},"bodySchema":{"type":"object","required":["query"],"properties":{"query":{"type":"string","description":"Input value or operation query"},"algorithm":{"type":"string","description":"Hash algorithm (e.g. sha256, sha512)"}}},"responseSchema":{"type":"object","properties":{"data":{"type":"object","description":"Response payload from the upstream API (structure varies by endpoint)"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.107488","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":"$0.107488/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.107488","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.107488","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_14x8n-VZ7pBtaIBoCFYZF","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.107488","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Performs cryptographic operations (hashing, encoding, etc.) on input data via a path-routed POST endpoint, paid per-call via x402 micropayments","exampleAgentPrompt":"Hash the string 'hello world' using SHA-256 via the x402 crypto cryptography endpoint and return the digest.","exampleUseCases":[{"title":"Hash password before storage","prompt":"Take the string 'MyS3cur3P@ss' and compute its SHA-256 hash using the x402 crypto API so I can store it safely."},{"title":"Verify data fingerprint","prompt":"Can you hash this document content 'Invoice #4521 total $4200' with SHA-512 using the x402 cryptography endpoint so I can compare it to the original fingerprint?"},{"title":"Generate checksum for file content","prompt":"Compute an SHA-256 checksum of the text 'product_id:8821,price:99.99,qty:3' using the x402 crypto API so I can use it as an integrity check."}],"resultDescription":"Returns a JSON object with a 'data' field containing the cryptographic result (e.g. hash digest, encoded value) from the upstream API; exact structure varies by path/operation chosen.","failureModes":["Unsupported algorithm name causes an error or empty result","Missing 'query' field returns a 400 validation error","Invalid path parameter routes to a non-existent operation","Payment failure via x402 protocol blocks the request","Upstream API unavailable returns a 5xx error"],"whenToPreferThis":"Choose this endpoint when you need a quick, pay-per-use cryptographic hashing or encoding operation without setting up a dedicated crypto library or service. It is ideal for AI agents that occasionally need to hash, encode, or compute cryptographic values on-demand, especially in environments where installing native crypto libraries is not practical. Prefer alternatives (local crypto libraries) for high-volume or latency-sensitive use cases given the per-call cost.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:51:15.657Z","isFirstParty":false}