{"uid":"cap_Pe_YVNK4FhJbkK3L4tgwG","slug":"x402-hash-api-uuid-generator-157f0d2e","name":"x402 Hash API – UUID Generator","description":"Pay-per-call hashing and encoding for AI agents (USDC on Base)","url":"https://x402-hash-api.vercel.app/api/v1/uuid?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"count":{"type":"number","description":"how many UUIDs (1..20)"},"version":{"type":"number","description":"UUID version (only 4)"}}},"responseSchema":{"type":"json","example":{"uuids":["550e8400-e29b-41d4-a716-446655440000"]}},"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_tt-CaBGmY-MCvHiyqlBuR","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":"Generates one or more random UUID v4 strings on a pay-per-call basis using USDC on Base via the x402 payment protocol","exampleAgentPrompt":"Generate 5 random UUID v4s for me — I need them to assign as unique IDs to new records in my database.","exampleUseCases":[{"title":"Unique IDs for new database rows","prompt":"I'm inserting 10 new records into my database and need 10 fresh UUID v4s to use as primary keys — can you generate them for me?"},{"title":"Idempotency keys for API calls","prompt":"I need 3 unique UUID v4 identifiers to use as idempotency keys before I fire off some payment requests."},{"title":"Test data generation for QA","prompt":"Generate 20 UUID v4s so I can populate my test fixtures with realistic-looking unique IDs."}],"resultDescription":"A JSON object containing an array of one or more UUID v4 strings (e.g. {\"uuids\": [\"550e8400-e29b-41d4-a716-446655440000\", ...]}), with the count matching the requested number.","failureModes":["Count out of range (must be 1–20): likely returns a 400 or validation error","Unsupported UUID version (only v4 is supported): likely returns a 400 error","Payment failure or insufficient USDC balance via x402: returns HTTP 402 Payment Required","Service unavailable on Vercel infrastructure: returns 500 or timeout"],"whenToPreferThis":"Use this endpoint when an AI agent needs to generate UUID v4 identifiers programmatically, especially in a pay-per-call agentic context using the x402 protocol with USDC on Base. Prefer it over local UUID libraries when the agent environment lacks a native UUID generation capability, or when auditability of paid API calls is important. Supports batch generation of up to 20 UUIDs per call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T12:42:49.309Z","isFirstParty":false,"canonicalSlug":"x402-hash-api-uuid-generator-157f0d2e"}