{"uid":"cap_JI9A5Atyr5cbvKEKASyN1","slug":"x402-toolbox-random-hex-string-generator-9514a17b","name":"x402-toolbox Random Hex String Generator","description":"309 deterministic pay-per-call tools for AI agents over x402 (USDC, Base). No signup, no API key: the payment is the identity.","url":"https://x402-toolbox.shablony-pro.workers.dev/math/random-hex-string?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"schema":{"type":"string"}}},"responseSchema":{"type":"json","example":{"ok":true,"paid":true}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_VtebT74P-M6z0_HgV35RW","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Generates a random hexadecimal string, paid per-call via x402 micro-payment (USDC on Base) with no API key required.","exampleAgentPrompt":"Generate a random hex string for me — I need it as a nonce for a session token, and I'm fine paying the micro-fee per call with no signup.","exampleUseCases":[{"title":"Nonce generation for session tokens","prompt":"Can you generate a random hex string I can use as a nonce for a new user session? I don't have an API key set up anywhere, just pay-per-call is fine."},{"title":"Unique hex ID for a transaction","prompt":"I need a random hex identifier to tag a payment transaction — generate one for me right now, no account needed."},{"title":"Random hex seed for testing","prompt":"Give me a random hex string to use as a seed value in my integration test suite — something I can get instantly without registering for anything."}],"resultDescription":"A JSON object with 'ok' (boolean indicating success) and 'paid' (boolean confirming x402 payment was processed), along with the generated random hexadecimal string value.","failureModes":["Payment not included or insufficient USDC — returns 402 Payment Required","Invalid schema parameter format — may return a 400 or malformed response","Worker downtime or cold-start timeout — returns 5xx error","Malformed x402 payment header — payment rejected, no hex string returned"],"whenToPreferThis":"Choose this endpoint when you need a random hex string on-demand with zero setup — no API keys, no accounts, no rate-limit tiers. Ideal for AI agents that can natively handle x402 micro-payments in USDC on Base and need a utility hex generator as part of a larger workflow. Prefer over free services when your agent infrastructure already supports x402 and you want a frictionless, pay-as-you-go model.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T04:52:43.118Z","isFirstParty":false,"canonicalSlug":"x402-toolbox-random-hex-string-generator-9514a17b"}