{"uid":"cap_EYAo51bppzK2sUC7kS3VB","slug":"free-token-purchase-5-usdc-x420-dev-965b7fd4","name":"FREE Token Purchase (5 USDC) - x420.dev","description":"Buy 5 USDC worth of FREE tokens 0x4A9bbC9FCB7a82b212214A2FaCc219a651B0fb07","url":"https://free.x420.dev/api/puff-5?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":"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":"$5/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"5","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"5","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_xlthc7BxuBq8TBMT1xw0h","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"5","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Purchases 5 USDC worth of FREE tokens (0x4A9bbC9FCB7a82b212214A2FaCc219a651B0fb07) on behalf of the caller via a paid API call","exampleAgentPrompt":"Buy me 5 USDC worth of FREE tokens (contract 0x4A9bbC9FCB7a82b212214A2FaCc219a651B0fb07) using x420.dev right now.","exampleUseCases":[{"title":"Swap USDC for FREE tokens","prompt":"Go ahead and swap 5 USDC for FREE tokens on x420.dev right now and send me back the transaction hashes so I know it went through on-chain."},{"title":"Automatically acquire FREE crypto","prompt":"I want to automatically pick up some FREE tokens using 5 USDC — use x420.dev to do the swap and confirm the purchase details for me."},{"title":"Buy meme token with USDC","prompt":"Buy me 5 dollars worth of that FREE meme token on Base using x420.dev and let me know how many tokens I received and what the swap transaction hash was."}],"resultDescription":"Returns a JSON object with a status message, the number of FREE tokens received, the USDC amount paid, a send transaction hash (or null), and a swap transaction hash (or null) confirming the on-chain token purchase.","failureModes":["Payment fails or is rejected — no tokens received, transaction hashes null","Insufficient USDC balance — purchase cannot proceed","Smart contract swap failure — tokens not delivered but USDC may be consumed","Network congestion causing transaction timeout","Invalid or expired payment header causing 402 error"],"whenToPreferThis":"Use this endpoint when an agent needs to purchase exactly 5 USDC worth of FREE tokens automatically via the x402 payment protocol, and wants confirmation of on-chain transaction hashes. Prefer the 1 USDC sibling endpoint for smaller purchases.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-19T18:36:03.089Z","isFirstParty":false,"canonicalSlug":"free-token-purchase-5-usdc-x420-dev-965b7fd4"}