{"uid":"cap_qRq02SAPxMCSCd8t6X5rG","slug":"x402-nvidia-deepseek-v4-flash-via-nim-e11c92da","name":"X402-NVIDIA DeepSeek V4 Flash via NIM","description":"Access 48+ NVIDIA NIM AI models via x402 micropayments. Chat completions, vision, safety, translation, and more.","url":"https://x402-nvidia.vercel.app/api/deepseek-v4-flash","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":"0.180626","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":"$0.180626/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.180626","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.180626","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_fN1S6jgEBkMrkg4SBTwxK","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.180626","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Run DeepSeek V4 Flash chat completions via NVIDIA NIM, paid per-call with x402 USDC micropayments","exampleAgentPrompt":"Using the NVIDIA NIM DeepSeek V4 Flash endpoint, send this message and get me a response: 'Summarize the key differences between transformers and RNNs in 3 bullet points.'","exampleUseCases":[{"title":"Real-time customer support ticket summarization","prompt":"I need to quickly summarize incoming support tickets to triage them by urgency. Can you use DeepSeek to generate a brief summary and suggested category for each ticket as they come in?"},{"title":"Content generation for social media posts","prompt":"Help me draft engaging social media captions for our product launches. I'd like you to use the DeepSeek model to generate a few variations, keeping it punchy and under 280 characters."},{"title":"Technical documentation from code comments","prompt":"I have a bunch of uncommented legacy code snippets. Can you ask DeepSeek to convert these into clear, concise technical documentation that explains what each function does?"}],"resultDescription":"Returns a choices array containing the assistant's generated message, including role and content fields, representing the model's completion of the input prompt.","failureModes":["Insufficient USDC balance or x402 payment failure — 402 Payment Required","Malformed request body missing messages array — 400 Bad Request","Model overload or NVIDIA NIM backend unavailability — 503 Service Unavailable","Invalid or expired payment token — 401 Unauthorized","Prompt exceeds model context window — 400 or 422 error"],"whenToPreferThis":"Choose this endpoint when you need fast, cost-efficient chat completions from DeepSeek V4 Flash hosted on NVIDIA NIM infrastructure, and you are operating in an x402 micropayment-enabled agent context where per-call USDC billing is acceptable. Prefer this over OpenAI or Anthropic endpoints when DeepSeek's reasoning style is preferred or when cost per call at ~$0.18 USDC is suitable for your use case.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:43:41.747Z","isFirstParty":false}