{"uid":"cap_rCU-ZkxgAG5esIkwHQv4g","slug":"ouchanip-x402-apis-b007e30a","name":"ouchanip x402 Utility APIs","description":"10 pay-per-request utility APIs including QR code generation, email validation, PDF invoice, image resize, DNS lookup, and more. No accounts, no API keys — just USDC on Base L2.","url":"https://ouchanip.github.io/x402-docs/","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"unprobed","priceSource":"unknown","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":"free","summary":"Free","primary":null,"accepted":[]},"paymentMethods":[],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Pay-per-request utility APIs (QR code, email validation, PDF invoice, image resize, DNS lookup, and more) requiring no accounts or API keys — payments made in USDC on Base L2 via x402.","exampleAgentPrompt":"Generate a QR code for the URL https://example.com — I don't want to create an account anywhere, just pay per use with USDC on Base.","exampleUseCases":null,"resultDescription":"Depending on the specific utility called, the agent receives a QR code image, email validation result, PDF invoice binary, resized image, DNS record data, or other utility output — all delivered without requiring account creation or API keys.","failureModes":["Insufficient USDC balance on Base L2 — payment fails and request is rejected","Invalid input for the specific utility (e.g. malformed email or bad image URL) — returns validation error","Unsupported operation or endpoint path — returns 404 or method not allowed","Network or Base L2 RPC issues — payment transaction may time out"],"whenToPreferThis":"Prefer this endpoint when you need lightweight utility operations (QR codes, email validation, PDF invoices, image resizing, DNS lookups) on a true pay-per-request basis with no account setup, no API key management, and USDC micropayments on Base L2 via x402 protocol. Ideal for agents or serverless workflows that want frictionless, one-off utility calls billed in crypto.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:33:48.898Z","isFirstParty":false}