{"uid":"cap_t-FJTcBQWOHrEHgRCFasF","slug":"x402-vending-machine-buy-3-usdc-of-tokens-7cf655b0","name":"x402 Vending Machine – Buy $3 USDC of Tokens","description":"Buy $3.00 USDC worth of tokens from the vending machine. The token launch must be open to buy, and the allocation cap must not have been reached.","url":"https://vending-machine.heurist.xyz/x402/buy3x?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","required":["token"],"properties":{"token":{"type":"string","description":"Token address"},"recipient":{"type":"string","description":"Optional recipient address; default is the API caller"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"3","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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":"$3/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"3","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"3","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_PEtloCmyA96AmQNVWuWNG","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"3","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Purchase $3.00 USDC worth of tokens from the Heurist vending machine for a specified token address, subject to launch availability and allocation cap.","exampleAgentPrompt":"Buy $3 worth of tokens for the token at address 0xAbC123... from the Heurist vending machine and send them to my wallet 0xDef456....","exampleUseCases":[{"title":"Entering a new token launch cheaply","prompt":"I want to buy into the Heurist vending machine token launch at address 0xAbC123... with $3 USDC — just a small test position to start."},{"title":"Buying tokens on behalf of another wallet","prompt":"Purchase $3 worth of the token at 0xToken999... from the Heurist vending machine and send the allocation to my friend's wallet at 0xFriend777... instead of mine."},{"title":"Automating a small recurring token purchase","prompt":"Every time a new token launches on the Heurist vending machine, buy $3 worth of it using token address 0xNewToken... and keep the tokens in my default wallet."}],"resultDescription":"Returns a confirmation of the $3 USDC token purchase, including transaction details and the amount of tokens allocated to the recipient wallet.","failureModes":["Token launch is not open for buying — returns an error indicating the launch is closed or not yet started","Allocation cap has already been reached — returns an error that no more tokens are available","Invalid or unrecognized token address — returns a validation error","Recipient address is malformed — returns a validation error","Payment of $3 USDC fails or is rejected — returns a payment failure error","Network or blockchain congestion causes transaction timeout"],"whenToPreferThis":"Use this endpoint when you want to make a small $3 USDC token purchase on the Heurist vending machine. Prefer this over the $4 or $5 variants when the user explicitly wants to spend exactly $3. This is ideal for low-risk entry positions or automated small-lot purchases into token launches.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T06:38:43.520Z","isFirstParty":false,"canonicalSlug":"x402-vending-machine-buy-3-usdc-of-tokens-7cf655b0"}