{"uid":"cap_DwzOHmx6hXvERvAsrhHTQ","slug":"gambit-gpu-shop-x402-chat-inference-3f93c94b","name":"Gambit GPU Shop – x402 Chat Inference","description":"Gambit GPU shop. Pay with L402 Lightning on /l402/* or x402 USDC on Base on /x402/*. Handwritten letter POST /x402/letter at $25.00 USDC. Funnel https://spark-2f53.tail8a7863.ts.net/gambit. Cheap probe GET|POST /x402/models at $0.01 USDC.","url":"https://spark-2f53.tail8a7863.ts.net/gambit/x402/chat","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"model":{"type":"string"},"messages":{"type":"array","items":{"type":"object","required":["role","content"],"properties":{"role":{"type":"string"},"content":{"type":"string"}}}},"max_tokens":{"type":"integer","default":512}}},"responseSchema":{"type":"json","example":{"model":"qwen3.6:35b-a3b","message":{"role":"assistant","content":"Hi."}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ytuH-iJFX8aSZ9K5aU80x","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Runs a paid LLM chat completion against GPU-hosted models on the Gambit platform, billed at $0.02 USDC per call via x402 on Base","exampleAgentPrompt":"Ask the Gambit GPU shop to run a chat completion using qwen3.6:35b-a3b — send it the message 'Explain quantum entanglement in two sentences' with a max of 256 tokens and pay the $0.02 USDC fee.","exampleUseCases":[{"title":"Crypto-native AI chatbot backend","prompt":"I'm building a chatbot that pays per inference in USDC — send this user message 'What are the best practices for Solidity smart contract security?' to the qwen3.6:35b-a3b model on Gambit with max 512 tokens."},{"title":"Automated code review via LLM","prompt":"Use the Gambit chat endpoint with model qwen3.6:35b-a3b to review this snippet: 'for i in range(len(arr)): print(arr[i])' — ask it to suggest a more Pythonic version, limit to 300 tokens."},{"title":"On-demand AI summarization for agent pipeline","prompt":"Have Gambit's GPU inference run a summarization: send the assistant role message 'Summarize the following article in three bullet points: [article text]' using qwen3.6:35b-a3b, max 400 tokens, and charge my x402 wallet the $0.02 fee."}],"resultDescription":"Returns a JSON object containing the model name used and an assistant message object with role and content fields — the generated text reply from the LLM.","failureModes":["Payment failure: x402 USDC payment on Base not authorized or insufficient balance — returns 402 Payment Required","Invalid model name: model string does not match a hosted model — likely 4xx or model-not-found error","Malformed messages array: missing required role or content fields — 400 Bad Request","Token limit exceeded or inference timeout on GPU — possible 5xx or timeout response","Network unreachability of the Tailscale host — connection refused or DNS failure"],"whenToPreferThis":"Choose this endpoint when you need GPU-accelerated LLM chat completions with per-call USDC micropayment billing via the x402 protocol on Base, especially when working with open-source models like Qwen hosted on a self-operated GPU shop. Prefer it over centralized API providers when you want crypto-native, pay-per-use inference without subscription accounts.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:31:47.051Z","isFirstParty":false}