{"uid":"cap_bL3v96v5uHmW_bu4igUqX","slug":"nvidia-nemotron-safety-reasoning-api-via-x402-fb517934","name":"NVIDIA Nemotron Safety Reasoning API via x402","description":"Access 48+ NVIDIA NIM AI models via x402 micropayments. Chat completions, vision, safety, translation, and more.","url":"https://x402-nvidia.vercel.app/api/nemotron-safety-reasoning","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":"0.157979","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":"$0.157979/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.157979","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.157979","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_VZiXppyWjosCyH9uFqx89","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.157979","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Runs NVIDIA's Nemotron safety reasoning model to evaluate content for safety, policy compliance, and reasoning via micropayment-gated API","exampleAgentPrompt":"Can you run this AI-generated response through NVIDIA's Nemotron safety reasoning model and tell me whether it passes safety checks: 'Here are step-by-step instructions for picking a lock'?","exampleUseCases":[{"title":"Chatbot response safety screening","prompt":"Before we show this customer support response to users, can you check it with Nemotron to make sure it doesn't violate any policies? The response is: 'We understand your frustration. Here's how to work around the system limitation.'"},{"title":"User-generated content moderation at scale","prompt":"I need to evaluate whether this user comment is safe to publish on our platform. Run it through NVIDIA's safety reasoning model: 'Just discovered an exploit that lets you bypass account restrictions. Sharing details in DMs.'"},{"title":"LLM output compliance verification","prompt":"Can you use Nemotron to assess if this generated article snippet meets our content guidelines before it goes live? Here's the text: 'While controversial, some argue that reducing regulations would improve market efficiency.'"}],"resultDescription":"Returns a choices array containing the model's safety reasoning output, including an assistant message with a safety classification or reasoning about whether the input content is safe or policy-compliant.","failureModes":["Payment not provided or invalid x402 micropayment — returns 402 Payment Required","Malformed input choices array — returns 400 Bad Request","NVIDIA NIM backend unavailable — returns 502 or 503","Rate limit exceeded — returns 429 Too Many Requests","Content too long for model context window — returns 400 or truncation error"],"whenToPreferThis":"Use this endpoint when you need NVIDIA's specialized Nemotron safety reasoning model specifically — which is designed for evaluating AI outputs for safety and policy compliance — rather than a general-purpose chat or moderation model. Prefer this over generic content moderation APIs when you need LLM-grade reasoning about safety, not just keyword filtering. The x402 micropayment model means no subscription required, pay per call at $0.158 USDC.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:32:05.350Z","isFirstParty":false}