{"uid":"cap_L-4hPFOKvcRbT5-ad6G4t","slug":"deepseek-ai-chat-completions-x402-usdc-e7a7edd1","name":"DeepSeek AI Chat Completions (x402/USDC)","description":"DeepSeek AI inference — pay in USDC/EURC on Base or USDC on Arbitrum","url":"https://deepseek.x402.press/v1/chat/completions","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"required":["model","messages"],"properties":{"model":{"enum":["deepseek-v4-flash","deepseek-v4-pro"],"type":"string","description":"DeepSeek model name"},"method":{"type":"string","const":"POST"},"messages":{"type":"array","items":{"type":"object","required":["role","content"],"properties":{"role":{"enum":["system","user","assistant"],"type":"string"},"content":{"type":"string","description":"Message content"}}},"description":"Chat messages in OpenAI format"}}},"type":{"type":"string","const":"http"},"method":{"enum":["POST","PUT","PATCH"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.0025","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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":"$0.0025/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.00875","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.00875","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_lB4L1Q_A3m-zVAiYyg8rI","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.00875","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Runs DeepSeek large language model inference via a pay-per-call API accepting USDC/EURC on Base or USDC on Arbitrum","exampleAgentPrompt":"Ask DeepSeek to explain the difference between proof-of-work and proof-of-stake in simple terms — pay the 0.0025 USDC fee on Base using my USDC wallet.","exampleUseCases":null,"resultDescription":"Returns a JSON object following the OpenAI chat completions format, including an assistant message with the generated text, token usage counts (prompt and completion tokens), and a finish reason indicating how the generation ended.","failureModes":["Payment not received or insufficient USDC/EURC balance — 402 Payment Required returned","Invalid or missing messages array in request body — 400 Bad Request","Unsupported model identifier specified — 400 or 422 error","Network congestion on Base or Arbitrum delays payment confirmation — timeout or retry needed","Rate limit exceeded for the underlying DeepSeek inference backend — 429 Too Many Requests","Malformed JSON body — 400 Bad Request"],"whenToPreferThis":"Choose this endpoint when you need DeepSeek LLM inference (known for strong reasoning and coding) and want to pay per-call in stablecoins (USDC/EURC on Base, USDC on Arbitrum) without a subscription or API key contract — ideal for agents that need crypto-native, pay-as-you-go AI inference compatible with the x402 payment protocol.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:33:46.952Z","isFirstParty":false}