{"uid":"cap_ItfqrYVq2BNcIM5EMTD8b","slug":"x402-api-key-url-packs-codex-key-pack-50-07cc3444","name":"x402 API Key + URL Packs – Codex Key Pack 50","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/sub2api-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/sub2api-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_tcnIv0F-_agftiTRZ_2iS","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":"Purchase a prepaid OpenAI-compatible API key and base URL quota pack (~$1 USD quota) via x402 micropayment, including optional GPT-5.6 Soul model access.","exampleAgentPrompt":"Buy me a Codex Key Pack 50 from x402-key using buyer reference 'buyer-001' so I get an OpenAI-compatible API key and base URL with about $1 of quota.","exampleUseCases":[{"title":"Disposable API key for one-off task","prompt":"I need a fresh OpenAI-compatible API key with a dollar of quota for a one-off automation — grab me the Codex Key Pack 50 with buyer reference 'project-alpha-run1'."},{"title":"Agent bootstrapping its own AI access","prompt":"My agent needs to provision its own API key and endpoint URL to make chat completions calls — purchase the x402 Codex Key Pack 50 using buyer reference 'agent-self-provision-42'."},{"title":"Testing GPT-compatible proxy endpoint","prompt":"I want to test a new OpenAI-compatible proxy — buy the Codex Key Pack 50 pack with buyer reference 'qa-test-007' and give me the base URL, API key, and chat completions URL I get back."}],"resultDescription":"Returns a JSON object containing: a masked and unmasked API key (sk-proj-...), base URL (https://sub2api.558686.xyz/v1), chat completions URL, models URL, quota in USD (integer), receipt evidence, and metadata about the tool/route/project.","failureModes":["Payment not received or insufficient USDC — x402 payment challenge returned instead of key","Invalid or missing buyer_reference query parameter — request rejected","Upstream quota exhausted — key issued but with zero effective quota","GPT-5.6 Soul model unavailable if upstream key does not permit it","Network timeout or provider outage — no key returned"],"whenToPreferThis":"Choose this endpoint when you need a small, prepaid OpenAI-compatible API key and base URL provisioned instantly via a single x402 micropayment, especially for disposable or per-task AI API access without a long-term subscription. Prefer over manual key management when operating in an automated agent context that can handle x402 payment flows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-16T11:28:34.663Z","isFirstParty":false}