{"uid":"cap_ANOENMRmI8PJ7K5P7LdPg","slug":"x402-api-key-url-pack-50-unit-codex-pack-a7347ba3","name":"x402 API Key + URL Pack (50-unit Codex Pack)","description":"Buy a low-cost readiness check first, then buy a small OpenAI-compatible URL + API key quota pack through x402, including GPT-5.6 Soul access when your upstream key allows it. The readiness check returns URL, model, request-shape, and next-pack contract details without exposing a key.","url":"https://x402-key.558686.xyz/v1/paid/api-codex-key-pack-50","method":"POST","headers":{},"bodySchema":null,"responseSchema":{"type":"json","example":{"ok":true,"tool":"api-codex-key-pack-50","input":{"buyer_reference":"buyer-001"},"route":"/v1/paid/api-codex-key-pack-50","result":{"apiKey":"sk-proj-...masked","baseUrl":"https://sub2api.558686.xyz/v1","quotaUsd":1,"modelsUrl":"https://sub2api.558686.xyz/v1/models","apiKeyMasked":"sk-proj-...masked","receiptEvidence":{},"chatCompletionsUrl":"https://sub2api.558686.xyz/v1/chat/completions"},"project":"x402-key-url-tools","deterministic":true}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"5.5556","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":"$5.5556/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"5.5556","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"5.5556","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_TL5GLTJzyD61nCwPPJHm-","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"5.5556","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Purchases a small OpenAI-compatible API key and base URL quota pack (~$1 USD quota) via x402 micropayment, returning a ready-to-use API key, base URL, and endpoint URLs for chat completions and models.","exampleAgentPrompt":"Buy me a Codex key pack with my buyer reference 'buyer-001' so I can get an OpenAI-compatible API key and base URL with about $1 of quota to use for chat completions.","exampleUseCases":null,"resultDescription":"Returns a JSON object containing a masked and full API key (sk-proj-... format), a base URL (https://sub2api.558686.xyz/v1), direct URLs for chat completions and models endpoints, the quota in USD, and receipt evidence. The pack label is 'api-codex-key-pack-50' and quotaUsd is 1.","failureModes":["Payment not completed or x402 payment header missing — returns 402 Payment Required","Invalid or missing buyer_reference query parameter — returns 400 Bad Request","Upstream API key quota exhausted — returns 503 or similar error","Payment amount mismatch (not $5.5556 USDC) — payment rejected","Upstream GPT-5.6 Soul access not enabled on buyer's tier — key returned but model may be unavailable"],"whenToPreferThis":"Use this endpoint when an agent or user needs to programmatically purchase a fresh OpenAI-compatible API key + base URL pack via x402 micropayment in USDC, especially for short-lived or quota-bounded LLM inference sessions. Prefer this over manual API key provisioning when automated, pay-per-pack access is desired without a subscription.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:26:12.082Z","isFirstParty":false}