{"uid":"cap_dWymtOpdnQysP2mlX3yCq","slug":"gpt-5-6-luna-half-price-plus-subscription-x402-eec270b0","name":"GPT-5.6 Luna Half-Price Plus Subscription (x402)","description":"GPT-5.6 Luna API Base USDC and OpenAI-compatible x402 chat: one request for $0.00293, paid by browser wallet or a quote-first agent fallback.","url":"https://gpt55.558686.xyz/v1/tools/gpt55-plus-half-price-subscription?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"buyerId":{"type":"string","maxLength":160},"buyer_id":{"type":"string","maxLength":160},"accountId":{"type":"string","maxLength":160},"requestId":{"type":"string","maxLength":160},"account_id":{"type":"string","maxLength":160},"request_id":{"type":"string","maxLength":160},"officialPlusMonthlyUsd":{"type":"number","minimum":0},"weeklyOfficialValueUsd":{"type":"number","minimum":0},"requestedWeeklyValueUsd":{"type":"number","minimum":0},"official_plus_monthly_usd":{"type":"number","minimum":0},"weekly_official_value_usd":{"type":"number","minimum":0},"requested_weekly_value_usd":{"type":"number","minimum":0}}},"responseSchema":{"type":"json","example":{"ok":true,"tool":"gpt55PlusHalfPriceSubscription","summary":"Generated text."}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"10","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":"down","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$10/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"10","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"10","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_SDLf9AVNuaU8rbXxHn9qd","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"10","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Purchases or activates a half-price GPT Plus-equivalent weekly subscription via x402 USDC payment on Base, returning a confirmation and generated text summary.","exampleAgentPrompt":"Sign me up for the half-price GPT Plus weekly subscription using my account ID acc_8821 and buyer ID buyer_4492 — the official monthly Plus price is $20 and I want the discounted weekly plan.","exampleUseCases":[{"title":"Discounted weekly AI plan for agent","prompt":"Activate a half-price weekly GPT subscription for my agent account ID acc_9901 and buyer ID buyer_7731, using the official Plus monthly rate of $20 and requesting the discounted weekly equivalent."},{"title":"Budget GPT access for small startup","prompt":"My startup wants cheap GPT-5.6 Luna access — can you sign us up for the half-price subscription? Our account is acc_startup42, buyer ID is buyer_luna99, official monthly is $20."},{"title":"Recurring Luna subscription renewal","prompt":"Renew our half-price GPT Luna weekly plan for account acc_renew55, buyer buyer_555, official Plus monthly cost is $20, and we want the weekly discounted tier again."}],"resultDescription":"Returns a JSON object with an 'ok' boolean, a 'tool' field identifying the subscription action ('gpt55PlusHalfPriceSubscription'), and a 'summary' field containing a generated text confirmation of the subscription activation.","failureModes":["Payment failure if USDC wallet balance is insufficient for the $10 per call price","Invalid or missing buyerId/accountId causing rejection","Subscription already active for account leading to duplicate error","x402 payment protocol negotiation failure with agent fallback required","Malformed requestedWeeklyValueUsd causing validation error"],"whenToPreferThis":"Choose this endpoint when you want to programmatically purchase a discounted weekly GPT-equivalent subscription using USDC on Base via x402, specifically for accounts tied to the GPT-5.6 Luna proxy service. Prefer this over direct OpenAI billing when seeking reduced-cost access or when operating in a crypto-native payment environment.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T07:26:48.106Z","isFirstParty":false,"canonicalSlug":"gpt-5-6-luna-half-price-plus-subscription-x402-eec270b0"}