{"uid":"cap_o4AZf0FzutwZQmiM2jsys","slug":"x402-api-key-url-packs-codex-key-pack-500-c7e986c9","name":"x402 API Key + URL Packs — 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/api-codex-key-pack-500","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/api-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_dbW6oAZmDrz1UevJLE4qz","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":"Purchase an OpenAI-compatible API key and base URL quota pack (~$1 USD quota) via x402 micropayment, receiving endpoint URLs and a masked API key for immediate use.","exampleAgentPrompt":"I need a small OpenAI-compatible API key pack — use my buyer reference 'buyer-001' and buy me the Codex Key Pack 500 so I get a chat completions URL and API key with about $1 of quota right away.","exampleUseCases":[{"title":"Agent provisioning its own LLM access","prompt":"My automated pipeline needs its own OpenAI-compatible API key and endpoint URL to call — buy the Codex Key Pack 500 using buyer reference 'pipeline-agent-42' and give me the base URL and key so I can start making completions requests."},{"title":"Burner key for one-off experiment","prompt":"I want a throwaway API key with a small quota for a quick experiment — grab me the Codex Key Pack 500 with buyer reference 'experiment-run-7' and tell me the chat completions URL and masked API key I get back."},{"title":"Bootstrapping a new project without existing OpenAI account","prompt":"I'm starting a new project and don't have an OpenAI key set up yet — buy me the x402 Codex Key Pack 500 with buyer reference 'new-project-bootstrap' so I get an API key and a working chat completions URL I can drop into my code."}],"resultDescription":"Returns a JSON object with ok=true, the tool name, your buyer_reference echoed back, and a result object containing: a (masked) API key, base URL, chatCompletionsUrl, modelsUrl, quota in USD (~$1), and receipt evidence. The API key and URLs are OpenAI-compatible and immediately usable.","failureModes":["Payment not received or x402 handshake fails — returns 402 Payment Required before the key is issued","Invalid or missing buyer_reference query parameter — returns validation error","Upstream quota exhausted or key provisioning fails — ok=false with error details","Network timeout reaching sub2api.558686.xyz after key issuance — key may be issued but not returned","Duplicate buyer_reference may return the same pack or reject depending on server policy"],"whenToPreferThis":"Choose this endpoint when you need a small, immediately usable OpenAI-compatible API key + base URL bundle paid for via x402 USDC micropayment, without signing up for OpenAI directly. Ideal for agents that need to self-provision LLM access programmatically, run one-off experiments with capped spend, or bootstrap new projects. Not suitable for large quota needs, ongoing high-volume production use, or when you already have a direct OpenAI key.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:37:41.787Z","isFirstParty":false}