{"uid":"cap_JmoOgUATeC-XnPu6W-e6Q","slug":"x402-quickstart-loop2-11da22f3","name":"x402-quickstart (loop2)","description":"Complete x402 quickstart bundle: v2 Base USDC seller endpoint + EIP-3009 buyer client + deterministic product bundle + tests.","url":"https://loop2-quickstart.manhliemcn4euwlu.workers.dev/pro/x402-quickstart","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"headers":{"type":"object","additionalProperties":{"type":"string"}},"queryParams":{"type":"object","required":["format"],"properties":{"format":{"type":"string"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"format":{"type":"string"},"example":{"type":"string"}}}}},"responseSchema":{"type":"binary","example":"x402-quickstart tar.gz bundle (README+server+client+test)"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.5","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":"$0.5/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.5","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.5","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_EGr21RtxvzNlJbpWKC3Od","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.5","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Downloads a complete x402 payment protocol quickstart bundle including a v2 Base USDC seller endpoint, EIP-3009 buyer client, deterministic product bundle, and tests as a tar.gz archive.","exampleAgentPrompt":"Can you download the x402 quickstart bundle for me — I need the v2 Base USDC seller endpoint, EIP-3009 buyer client, and tests — grab the tar.gz format?","exampleUseCases":[{"title":"Bootstrap x402 payment integration","prompt":"I want to start building x402 payments on Base — can you grab the x402 quickstart bundle with the USDC seller endpoint and buyer client code so I can get going right away?"},{"title":"Evaluate x402 seller and buyer code","prompt":"Can you fetch the x402 quickstart tar.gz so I can review the v2 seller endpoint and EIP-3009 buyer client before deciding whether to adopt this payment standard for my project?"},{"title":"Set up x402 test suite locally","prompt":"I need the x402 quickstart bundle including the test files — please download it in tar.gz format so I can run the tests locally against the Base USDC integration."}],"resultDescription":"A binary tar.gz archive containing a complete x402 quickstart project: a README, a v2 Base USDC seller endpoint, an EIP-3009 buyer client, a deterministic product bundle, and a test suite.","failureModes":["Missing or invalid 'format' query parameter returns an error","Unsupported HTTP method (e.g. POST) returns 405","Payment not completed or x402 payment header invalid results in 402 Payment Required","Network/worker downtime returns 5xx error","Malformed request body returns 400"],"whenToPreferThis":"Choose this endpoint when you need a ready-to-run x402 payment protocol quickstart that includes both the seller (v2 Base USDC) and buyer (EIP-3009) sides along with tests, and want to pay per-call in USDC via the x402 protocol rather than managing API keys or subscriptions.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:30:04.871Z","isFirstParty":false}