{"uid":"cap_Xrj6D2s9ztClHJ4DJrxb8","slug":"usd1-token-purchase-1-usdc-x420-dev-c79058d5","name":"USD1 Token Purchase - 1 USDC (x420.dev)","description":"Buy 1 USDC worth of USD1 tokens 0x618Fb9A538B0f7756648dC9A46f532050c86eb07","url":"https://usd1.x420.dev/api/puff?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":null,"responseSchema":{"message":"string","tokensReceived":"string","usdcAmountPaid":"string","sendTransactionHash":"string | null","swapTransactionHash":"string | null"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"1","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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":"$1/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"1","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"1","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_oGbVXltROSdKDpweV-VCn","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"1","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Purchases USD1 stablecoin tokens worth 1 USDC on the Base network via the x402 payment protocol, returning token receipt details and transaction hashes.","exampleAgentPrompt":"Buy me 1 USDC worth of USD1 stablecoin tokens on x420.dev using the x402 protocol — the USD1 contract address is 0x618Fb9A538B0f7756648dC9A46f532050c86eb07.","exampleUseCases":null,"resultDescription":"Returns a JSON object with a confirmation message, the amount of USD1 tokens received, the USDC amount paid, the send transaction hash (if available), and the swap transaction hash (if available) on the Base network.","failureModes":["Insufficient USDC balance — payment of 1 USDC cannot be fulfilled","Invalid or missing x402 payment header — returns 402 Payment Required","Smart contract failure during swap — swapTransactionHash may be null","Network congestion causing transaction delay or timeout","Wallet address not authorized or misconfigured for x402 payment"],"whenToPreferThis":"Use this endpoint when an agent needs to purchase a small (1 USDC) amount of USD1 stablecoin tokens via the x402 micropayment protocol on the Base network. Prefer this over the 5 USDC sibling endpoint when only a minimal token acquisition is needed or when testing the USD1 token purchase flow.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T00:37:49.617Z","isFirstParty":false,"canonicalSlug":"usd1-token-purchase-1-usdc-x420-dev-c79058d5"}