{"uid":"cap_a_jFo8PCC0m74psLRKEl_","slug":"x402-nvidia-qwen3-5-122b-chat-completions-api-53f717b7","name":"X402-NVIDIA Qwen3-5-122B Chat Completions API","description":"Access 48+ NVIDIA NIM AI models via x402 micropayments. Chat completions, vision, safety, translation, and more.","url":"https://x402-nvidia.vercel.app/api/qwen3-5-122b","method":"POST","headers":{},"bodySchema":null,"responseSchema":{"type":"object","example":{"choices":[{"message":{"role":"assistant","content":"Hello!"}}]},"properties":{"choices":{"type":"array","description":"Model responses"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.172823","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":"$0.172823/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.172823","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.172823","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_JvEsx8KykGah95tlw9GjB","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.172823","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Runs chat completions using NVIDIA NIM's Qwen3-5 122B model, paid per-call via x402 USDC micropayments","exampleAgentPrompt":"Use the Qwen3-5 122B model on NVIDIA NIM to answer this question — paying the ~$0.17 USDC micropayment per call: 'Explain the differences between transformer and mamba architectures in plain English.'","exampleUseCases":null,"resultDescription":"Returns a JSON object with a choices array containing the assistant's generated message, including role ('assistant') and content (the model's text response), following the OpenAI-compatible chat completions format.","failureModes":["402 Payment Required if x402 payment header is missing or insufficient","model overload or timeout if NVIDIA NIM backend is under high load","malformed request if messages array is missing or incorrectly structured","payment settlement failure if USDC wallet has insufficient funds","503 or 500 if the Vercel deployment or NVIDIA NIM endpoint is unavailable"],"whenToPreferThis":"Choose this endpoint when you want pay-per-call access to a very large (122B parameter) open-weight model (Qwen3-5) hosted on NVIDIA NIM infrastructure, without needing a subscription or API key — only a USDC wallet supporting x402. Prefer it over OpenAI or Anthropic APIs when you want Qwen model outputs specifically, or when you want micropayment-based billing at ~$0.17/call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:31:05.407Z","isFirstParty":false}