{"uid":"cap_wNT-oyKDSchKkaMl-MFna","slug":"free-token-purchase-1-usdc-x420-dev-0f3773f5","name":"FREE Token Purchase - 1 USDC (x420.dev)","description":"Buy 1 USDC worth of FREE tokens 0x4A9bbC9FCB7a82b212214A2FaCc219a651B0fb07","url":"https://free.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":"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":"$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_bdyO1skXDy6wRIc1wTlXm","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":"Spends 1 USDC to buy FREE tokens (0x4A9bbC9FCB7a82b212214A2FaCc219a651B0fb07) on x420.dev via x402 payment protocol","exampleAgentPrompt":"Buy me 1 USDC worth of FREE tokens on x420.dev — use the x402 payment protocol and let me know how many FREE tokens I received and the transaction hashes.","exampleUseCases":null,"resultDescription":"Returns a confirmation message, the amount of FREE tokens received, the USDC amount paid (1 USDC), a send transaction hash (may be null), and a swap transaction hash (may be null) confirming the on-chain token purchase.","failureModes":["Insufficient USDC balance — payment of 1 USDC cannot be fulfilled","x402 payment header missing or malformed — request rejected before swap executes","On-chain swap failure — swap transaction hash is null and tokens not received","Token contract unavailable or liquidity insufficient — swap cannot complete","Network congestion causing transaction timeout"],"whenToPreferThis":"Choose this endpoint when you want to spend exactly 1 USDC to acquire FREE tokens via the x402 micropayment protocol. Prefer this over the 5 USDC sibling endpoint when making a smaller trial purchase or when budget is constrained to 1 USDC. This is purpose-built for programmatic token acquisition on x420.dev using x402.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-18T06:36:17.041Z","isFirstParty":false,"canonicalSlug":"free-token-purchase-1-usdc-x420-dev-0f3773f5"}