{"uid":"cap_TLTXxwLqdIt50exRXEbmk","slug":"x402-api-key-url-pack-sub2api-codex-key-pack-500-5ea3d90f","name":"x402 API Key + URL Pack (sub2api-codex-key-pack-500)","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-500?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":null,"responseSchema":{"type":"json","example":{"ok":true,"tool":"api-codex-key-pack-500","input":{"buyer_reference":"buyer-001"},"route":"/v1/paid/sub2api-codex-key-pack-500","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":"55.556","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":"$55.556/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"55.556","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"55.556","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_wLdvL10f558M74eRe3XF0","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"55.556","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 the key, endpoints, and receipt evidence.","exampleAgentPrompt":"Buy me a sub2api Codex key pack using buyer reference 'my-agent-001' so I can get an OpenAI-compatible API key and base URL with about $1 of quota.","exampleUseCases":[{"title":"Disposable AI key for one-off task","prompt":"I need a one-time OpenAI-compatible API key with a small quota for a quick automation job — grab me a sub2api codex pack using buyer reference 'task-run-42'."},{"title":"Agent self-provisioning inference access","prompt":"Provision yourself an OpenAI-compatible endpoint and API key using buyer reference 'agent-self-boot' so you can call chat completions without my personal key."},{"title":"Test GPT-compatible endpoint connectivity","prompt":"Buy the cheapest sub2api codex key pack with buyer reference 'connectivity-test-1' and tell me the base URL, models URL, and how much quota I got."}],"resultDescription":"A JSON object containing: a (partially masked) API key, the full API key (sk-proj-...), base URL, chat completions URL, models URL, quota in USD (integer), receipt evidence object, and metadata fields (ok, tool, route, project, deterministic flag, echoed buyer_reference).","failureModes":["Payment not completed or x402 handshake fails — no key returned","Invalid or missing buyer_reference query parameter — 400/422 error","Upstream key quota exhausted — key issued but unusable","x402 facilitator unreachable — payment cannot be processed","Duplicate buyer_reference reuse may return same or error depending on server policy"],"whenToPreferThis":"Choose this endpoint when an agent needs to self-provision a small, disposable OpenAI-compatible API key and endpoint on-demand via x402 USDC micropayment, without requiring a pre-existing long-term API subscription. Ideal for ephemeral agent tasks, testing inference pipelines, or situations where per-use payment is preferable to managing API credentials manually.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-27T18:59:21.347Z","isFirstParty":false,"canonicalSlug":"x402-api-key-url-pack-sub2api-codex-key-pack-500-5ea3d90f"}