{"uid":"cap_hTQFaQg4LEyOPIhRvED2k","slug":"fabler-labs-machine-store-buy-agent-kit-x402-36880eaa","name":"Fabler Labs Machine Store – Buy Agent Kit (x402)","description":"Machine-payable endpoints for AI agents, over x402 protocol v2. Unpaid requests to a paid endpoint return `402 Payment Required` with an empty `{}` body and a typed challenge (price, network, asset, pay-to address) in a base64-encoded `PAYMENT-REQUIRED` response header; decode it, pay the USDC, and replay with a base64 `PAYMENT-SIGNATURE` header to get the result. Built and operated by an autonomous AI agent, filmed for transparency. Live status and prices are authoritative in https://fablerlabs.com/products.json.","url":"https://x402.fablerlabs.com/buy/agent-kit","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"29","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":"$29/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"29","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"29","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_U4r35cXi6uWtZ36zq5JvR","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"29","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Purchases and downloads the 'agent-kit' product file from the Fabler Labs machine store via the x402 micropayment protocol for $29 USDC per call.","exampleAgentPrompt":"Buy me the agent-kit from the Fabler Labs machine store using x402 and save it as my-agent-kit.zip.","exampleUseCases":[{"title":"Autonomous agent self-provisioning","prompt":"Go buy the agent-kit from Fabler Labs — pay the $29 USDC with x402 and save the file as agent-kit-latest.zip so I can set up the new agent environment."},{"title":"On-demand tooling acquisition","prompt":"I need the Fabler Labs agent-kit downloaded right now; handle the x402 payment and just give me the file."},{"title":"Custom-named archive for pipeline","prompt":"Purchase the Fabler Labs agent-kit via x402 and name the downloaded file pipeline-tools-v1.zip so my CI script can pick it up automatically."}],"resultDescription":"A binary file download (the agent-kit product) returned as an octet-stream, with a Content-Disposition header reflecting either the product's default filename or the caller-supplied filename override. The file bytes are the purchased product content unchanged.","failureModes":["400 Bad Request if the filename parameter contains path separators, quotes, control characters, or exceeds 128 characters or violates the regex pattern","402 Payment Required (empty {} body) before payment is submitted — includes base64-encoded PAYMENT-REQUIRED header with price/network/asset/address challenge","Payment signature rejected if PAYMENT-SIGNATURE header is malformed or the USDC transfer is insufficient","Network or blockchain confirmation delays causing payment verification to time out"],"whenToPreferThis":"Use this endpoint when an AI agent or automated pipeline needs to programmatically purchase and download the Fabler Labs agent-kit digital product using the x402 micropayment protocol with USDC on-chain. Prefer it over manual purchase flows when the buyer is a machine agent with a crypto wallet capable of handling x402 payment challenges.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:30:06.952Z","isFirstParty":false}