{"uid":"cap_2bQ_4AYIeXnoKcFmaYLGy","slug":"agentpay-credit-purchase-standard-tier-62756c64","name":"AgentPay Credit Purchase — Standard Tier","description":"Pay-per-call AI services via the 402 Payment Required protocol. No accounts, no API keys — just USDC on Base.","url":"https://agentpay.help/v1/buy-credits?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"tier":{"enum":["standard"],"type":"string"}}},"responseSchema":{"type":"json","example":{"token":"ap_...","credits":600}},"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_RgH3GLRW6hfA5f2a0D5Hr","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":"Purchase 600 AgentPay credits for $5 USDC on Base, returning a bearer token usable across 28 pay-per-call AI microservices without requiring an account or API key.","exampleAgentPrompt":"Buy me the standard tier of AgentPay credits — spend $5 USDC from my Base wallet — so I have a fresh token with 600 credits ready to call their AI services.","exampleUseCases":[{"title":"Autonomous agent self-funding for AI tasks","prompt":"My agent is running low on AgentPay credits — go ahead and purchase the standard tier ($5 USDC on Base) and get a new token with 600 credits so it can keep calling AI microservices without interruption."},{"title":"Onboarding to AgentPay without an account","prompt":"I want to try AgentPay's AI services without creating an account — buy the standard tier with USDC and give me back the bearer token I can use right away."},{"title":"Budget-controlled credit top-up for a project","prompt":"Top up AgentPay credits for my project — grab the standard tier for $5 USDC on Base and store the resulting token so my pipeline can use the 600 credits for upcoming AI calls."}],"resultDescription":"Returns a JSON object with a bearer token string (prefixed ap_...) and a credit balance of 600, which can be used to authenticate subsequent calls to any of AgentPay's 28 AI microservices without further account registration.","failureModes":["Insufficient USDC balance in the paying wallet — payment rejected by x402 protocol","Invalid or malformed tier value — server returns validation error","x402 payment protocol handshake failure — network or Base chain congestion","Duplicate payment submission — non-idempotent endpoint may charge twice without issuing a second token","Token generation failure after successful payment — credits may be deducted but token not returned"],"whenToPreferThis":"Choose this endpoint when you need frictionless, account-free access to AgentPay's suite of AI microservices and want to pay in USDC on Base via the x402 protocol. It is ideal for autonomous agents that need to self-fund, for one-off tasks where account creation is undesirable, or for environments where managing API keys is impractical. Prefer this over other credit-purchasing flows when operating on Base and when the standard 600-credit bundle at $5 USDC meets your usage needs.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T06:34:36.990Z","isFirstParty":false,"canonicalSlug":"agentpay-credit-purchase-standard-tier-62756c64"}