{"info":{"name":"GPT55 x402 Gateway","schema":"https://schema.getpostman.com/json/collection/v2.1.0/collection.json","description":"Quote-first x402 examples for GPT55 paid tools. No secrets included."},"item":[{"name":"GPT-5.6 Luna Chat Completion","request":{"method":"POST","header":[{"key":"content-type","value":"application/json"}],"url":"https://gpt55.558686.xyz/v1/chat/completions/standard","description":"GPT-5.6 Luna Standard chat for mainstream short answers, routing decisions, extraction helpers, and buyer trials. The legacy mini path remains available as a compatibility alias. Price: $0.00293. First call without X-PAYMENT to inspect the 402 quote."}},{"name":"gpt-5.5 Chat Completion","request":{"method":"POST","header":[{"key":"content-type","value":"application/json"}],"url":"https://gpt55.558686.xyz/v1/chat/completions/gpt-5.5","description":"GPT-5.5 chat for stronger reasoning, production work, code, and structured responses. Price: $0.019999. First call without X-PAYMENT to inspect the 402 quote."}},{"name":"gpt-5.3-codex Chat Completion","request":{"method":"POST","header":[{"key":"content-type","value":"application/json"}],"url":"https://gpt55.558686.xyz/v1/chat/completions/gpt-5.3-codex","description":"GPT-5.3 Codex chat for coding-oriented agent work, patch planning, and structured development output. Price: $0.007472. First call without X-PAYMENT to inspect the 402 quote."}},{"name":"Standard Translate text","request":{"method":"POST","header":[{"key":"content-type","value":"application/json"}],"url":"https://gpt55.558686.xyz/v1/tools/translate/standard","description":"Standard Translate text tier using gpt-5.6-luna Price: $0.00293. First call without X-PAYMENT to inspect the 402 quote."}},{"name":"Plus Translate text","request":{"method":"POST","header":[{"key":"content-type","value":"application/json"}],"url":"https://gpt55.558686.xyz/v1/tools/translate/plus","description":"Plus Translate text tier using gpt-5.5 Price: $0.145. First call without X-PAYMENT to inspect the 402 quote."}},{"name":"Professional Translate text","request":{"method":"POST","header":[{"key":"content-type","value":"application/json"}],"url":"https://gpt55.558686.xyz/v1/tools/translate/professional","description":"Professional Translate text tier using gpt-5.5 Price: $0.145. First call without X-PAYMENT to inspect the 402 quote."}},{"name":"Standard Summarize text","request":{"method":"POST","header":[{"key":"content-type","value":"application/json"}],"url":"https://gpt55.558686.xyz/v1/tools/summarize/standard","description":"Standard Summarize text tier using gpt-5.6-luna Price: $0.00293. First call without X-PAYMENT to inspect the 402 quote."}},{"name":"Plus Summarize text","request":{"method":"POST","header":[{"key":"content-type","value":"application/json"}],"url":"https://gpt55.558686.xyz/v1/tools/summarize/plus","description":"Plus Summarize text tier using gpt-5.5 Price: $0.17. First call without X-PAYMENT to inspect the 402 quote."}},{"name":"Professional Summarize text","request":{"method":"POST","header":[{"key":"content-type","value":"application/json"}],"url":"https://gpt55.558686.xyz/v1/tools/summarize/professional","description":"Professional Summarize text tier using gpt-5.5 Price: $0.17. First call without X-PAYMENT to inspect the 402 quote."}},{"name":"Standard Review code","request":{"method":"POST","header":[{"key":"content-type","value":"application/json"}],"url":"https://gpt55.558686.xyz/v1/tools/code-review/standard","description":"Standard Review code tier using gpt-5.6-luna Price: $0.00293. First call without X-PAYMENT to inspect the 402 quote."}},{"name":"Plus Review code","request":{"method":"POST","header":[{"key":"content-type","value":"application/json"}],"url":"https://gpt55.558686.xyz/v1/tools/code-review/plus","description":"Plus Review code tier using gpt-5.5 Price: $0.211. First call without X-PAYMENT to inspect the 402 quote."}},{"name":"Professional Review code","request":{"method":"POST","header":[{"key":"content-type","value":"application/json"}],"url":"https://gpt55.558686.xyz/v1/tools/code-review/professional","description":"Professional Review code tier using gpt-5.5 Price: $0.211. First call without X-PAYMENT to inspect the 402 quote."}},{"name":"Standard Rewrite text","request":{"method":"POST","header":[{"key":"content-type","value":"application/json"}],"url":"https://gpt55.558686.xyz/v1/tools/rewrite/standard","description":"Standard Rewrite text tier using gpt-5.6-luna Price: $0.00293. First call without X-PAYMENT to inspect the 402 quote."}},{"name":"Plus Rewrite text","request":{"method":"POST","header":[{"key":"content-type","value":"application/json"}],"url":"https://gpt55.558686.xyz/v1/tools/rewrite/plus","description":"Plus Rewrite text tier using gpt-5.5 Price: $0.145. First call without X-PAYMENT to inspect the 402 quote."}},{"name":"Professional Rewrite text","request":{"method":"POST","header":[{"key":"content-type","value":"application/json"}],"url":"https://gpt55.558686.xyz/v1/tools/rewrite/professional","description":"Professional Rewrite text tier using gpt-5.5 Price: $0.145. First call without X-PAYMENT to inspect the 402 quote."}},{"name":"Standard Answer a question","request":{"method":"POST","header":[{"key":"content-type","value":"application/json"}],"url":"https://gpt55.558686.xyz/v1/tools/answer/standard","description":"Standard Answer a question tier using gpt-5.6-luna Price: $0.00293. First call without X-PAYMENT to inspect the 402 quote."}},{"name":"Plus Answer a question","request":{"method":"POST","header":[{"key":"content-type","value":"application/json"}],"url":"https://gpt55.558686.xyz/v1/tools/answer/plus","description":"Plus Answer a question tier using gpt-5.5 Price: $0.145. First call without X-PAYMENT to inspect the 402 quote."}},{"name":"Professional Answer a question","request":{"method":"POST","header":[{"key":"content-type","value":"application/json"}],"url":"https://gpt55.558686.xyz/v1/tools/answer/professional","description":"Professional Answer a question tier using gpt-5.5 Price: $0.145. First call without X-PAYMENT to inspect the 402 quote."}},{"name":"Standard Extract JSON","request":{"method":"POST","header":[{"key":"content-type","value":"application/json"}],"url":"https://gpt55.558686.xyz/v1/tools/extract-json/standard","description":"Standard Extract JSON tier using gpt-5.6-luna Price: $0.00293. First call without X-PAYMENT to inspect the 402 quote."}},{"name":"Plus Extract JSON","request":{"method":"POST","header":[{"key":"content-type","value":"application/json"}],"url":"https://gpt55.558686.xyz/v1/tools/extract-json/plus","description":"Plus Extract JSON tier using gpt-5.5 Price: $0.17. First call without X-PAYMENT to inspect the 402 quote."}},{"name":"Professional Extract JSON","request":{"method":"POST","header":[{"key":"content-type","value":"application/json"}],"url":"https://gpt55.558686.xyz/v1/tools/extract-json/professional","description":"Professional Extract JSON tier using gpt-5.5 Price: $0.17. First call without X-PAYMENT to inspect the 402 quote."}},{"name":"Translate text","request":{"method":"GET","header":[{"key":"content-type","value":"application/json"}],"url":"https://gpt55.558686.xyz/v1/tools/translate","description":"Low-cost translation endpoint for agents that need quick multilingual output and a cheap first paid x402 call. Price: $0.00293. First call without X-PAYMENT to inspect the 402 quote."}},{"name":"GPT-5.6 Luna Standard chat completions","request":{"method":"POST","header":[{"key":"content-type","value":"application/json"}],"url":"https://gpt55.558686.xyz/v1/chat/completions/standard","description":"OpenAI-compatible GPT-5.6 Luna Standard paid per request with x402 Base USDC. Price: $0.00293. First call without X-PAYMENT to inspect the 402 quote."}},{"name":"x402 buyer shortlist","request":{"method":"GET","header":[{"key":"content-type","value":"application/json"}],"url":"https://gpt55.558686.xyz/v1/tools/x402-buyer-shortlist","description":"Rank and live-check x402 services so a buyer agent can shortlist payable routes before spending. Price: $0.005. First call without X-PAYMENT to inspect the 402 quote."}},{"name":"Wallet signing safety pack","request":{"method":"GET","header":[{"key":"content-type","value":"application/json"}],"url":"https://gpt55.558686.xyz/v1/tools/wallet-signing-safety-pack","description":"Pre-signing safety decision pack for EIP-712, Permit2, calldata, approvals, and x402 prepay actions. Price: $0.018. First call without X-PAYMENT to inspect the 402 quote."}},{"name":"x402 MCP integration kit","request":{"method":"GET","header":[{"key":"content-type","value":"application/json"}],"url":"https://gpt55.558686.xyz/v1/tools/x402-mcp-integration-kit","description":"Generate MCP, Claude, curl, and x402 buyer integration snippets for paid API onboarding. Price: $0.006. First call without X-PAYMENT to inspect the 402 quote."}}]}