{"uid":"cap_hs-YwHHcBdbM9gLIGAehm","slug":"x420-token-calm-your-requests-puff-e21ce637","name":"x420 Token - Calm Your Requests (Puff)","description":"Buy 1 USDC worth of x420 tokens","url":"https://www.x420.dev/api/puff","method":"GET","headers":{},"bodySchema":null,"responseSchema":{"message":"string","tokensReceived":"string","usdcAmountPaid":"string","sendTransactionHash":"string | null","swapTransactionHash":"string | null"},"example":{"request":{"amount":"1","currency":"USDC","notifyEmail":"zero-qa@agentmail.to"},"response":{"token":{"name":"x420","symbol":"X420","address":"0x68e284F21D04D4D62398C290EC3EF41C97F80b07","description":"Token launched on x402, the internet-native payment protocol. No utility, no financial advice, just calm your requests with x420"},"message":"Puffed","tokensReceived":"820414.4569548099317857","usdcAmountPaid":"$1","sendTransactionHash":"0x81872898af40305272c419c051ec6f6260e6931d32a15acf8fa3eb2b0119b9a1","swapTransactionHash":"0x65b7098f80ab79b39481198df8465a2dd2cd6d21b78e4925f500f4fc335b332f"}},"exampleRequest":{"amount":"1","currency":"USDC","notifyEmail":"zero-qa@agentmail.to"},"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_3swKIsNRwqOodO20jAgyV","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":"Purchase 1 USDC worth of x420 tokens via a single GET request, returning token receipt and transaction hashes","exampleAgentPrompt":"Buy me 1 USDC worth of x420 tokens using the x420.dev puff endpoint — I want to see how many tokens I get and the transaction hashes for both the send and swap.","exampleUseCases":null,"resultDescription":"Returns a JSON object with a confirmation message, the number of x420 tokens received as a string, the USDC amount paid, a send transaction hash (or null), and a swap transaction hash (or null).","failureModes":["Payment not included or insufficient — x402 payment challenge returned","Invalid or expired payment header — authorization failure","On-chain transaction failure — swap transaction hash may be null with error message","Network congestion causing delayed or failed swap","USDC balance insufficient to cover 1 USDC cost"],"whenToPreferThis":"Use this endpoint when an agent needs to programmatically acquire x420 tokens by spending exactly 1 USDC via the x402 micropayment protocol, particularly when building automated token purchasing workflows or testing x402-based token purchase flows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:35:27.767Z","isFirstParty":false}