{"uid":"cap_UvBeoXinqUVWRJnM9FhpV","slug":"linkrra-synap-qwen3-coder-30b-chat-completions-bf258fb2","name":"Linkrra Synap: Qwen3 Coder 30B Chat Completions","description":"Linkrra Synap: Qwen3 Coder 30B A3B Instruct (model \"qwen3-coder-30b\") - coding, everyday. OpenAI-compatible chat completions for this one model, 32K context, served only on dedicated GPUs we operate, 4-bit AWQ. Pay per call in USDC on Base via x402 - no account, no API key. From $0.001 per call, usage-priced per token above that (GET /v1/models). Streaming supported. Product site: https://synap.linkrra.com","url":"https://pool.linkrra.com/api/billing/x402/models/qwen3-coder-30b/chat/completions?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"model":{"enum":["qwen3-coder-30b"],"type":"string","description":"Optional: this endpoint always runs qwen3-coder-30b."},"stream":{"type":"boolean","default":false,"description":"true = stream OpenAI-format Server-Sent Events."},"messages":{"type":"array","items":{"type":"object","required":["role","content"],"properties":{"role":{"enum":["system","user","assistant","tool"],"type":"string"},"content":{"description":"Text, or an array of OpenAI content parts."}}},"examples":[[{"role":"user","content":"Write a Python function that reverses a string"}]],"minItems":1,"description":"OpenAI-format chat history, oldest first: [{role, content}]."},"max_tokens":{"type":"integer","default":4096,"maximum":4096,"minimum":1,"description":"Completion token cap. The price is quoted for the prompt plus this cap."}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001106","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":"$0.001106/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001106","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001106","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_65OP5HRP_IFhMmEkYA6bd","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001106","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"OpenAI-compatible chat completions powered by Qwen3 Coder 30B A3B (4-bit AWQ), optimized for coding tasks, with per-call USDC payment via x402 and no API key required.","exampleAgentPrompt":"Using Qwen3 Coder 30B on Linkrra Synap, write me a Python function that parses a JSON log file and extracts all error messages — stream the response and cap it at 1024 tokens.","exampleUseCases":[{"title":"Automated code review assistant","prompt":"Use Qwen3 Coder 30B to review this JavaScript function I just wrote and suggest improvements for readability and performance — stream the response back to me as it generates."},{"title":"Coding agent backend without API keys","prompt":"I'm building an agent that helps junior devs write SQL queries. Can you call the Qwen3 Coder 30B model on Linkrra Synap with their question as the user message and return the generated SQL? No API key needed, just pay per call."},{"title":"On-demand bug fix generation","prompt":"I've got a broken Python script that throws a TypeError when processing lists. Send it to Qwen3 Coder 30B and ask it to identify the bug and return a fixed version, up to 2048 tokens."}],"resultDescription":"An OpenAI-format chat completion response containing the assistant's generated message (code, explanation, or answer). When streaming is enabled, returns Server-Sent Events in OpenAI streaming format. Includes token usage metadata. The model is always qwen3-coder-30b.","failureModes":["Payment failure: x402 payment not accepted or insufficient USDC balance","Token cap exceeded: max_tokens must be between 1 and 4096","Empty messages array: at least one message required","Invalid role: only system, user, assistant, tool are accepted","Model mismatch: only qwen3-coder-30b is accepted at this endpoint","GPU unavailability: inference pool may be busy or offline","Streaming errors: SSE stream may drop if connection is interrupted"],"whenToPreferThis":"Choose this endpoint when you need a coding-specialized open-weight LLM (Qwen3 Coder 30B) with no account or API key requirement, paying only per call in USDC on Base via x402. Ideal for agents that need to invoke coding assistance on-demand, especially in crypto-native or permissionless workflows. Prefer over GPT-4 or other proprietary models when cost transparency, open weights, and keyless access matter. The 32K context and streaming support make it suitable for longer coding sessions or real-time output display.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T07:02:48.142Z","isFirstParty":false,"canonicalSlug":"linkrra-synap-qwen3-coder-30b-chat-completions-bf258fb2"}