Telnyx x402 Gateway – Qwen3-235B Chat Completions

x402

Telnyx x402 Gateway – Qwen3-235B Chat Completions is a paid API for AI agents from x402.telnyx.com, paid per call via x402, $0.010497/call, status unknown (last checked 2026-10-10).

Generate AI chat completions using Qwen/Qwen3-235B-A22B via Telnyx's x402 gateway, paying $0.01 USDC per request on-chain

Price / call$0.010497

Seller volume →—

Success—

StatusUnknown

How this service works

Pay USDC per request for Telnyx Inference and Audio (text-to-speech, speech-to-text) through x402.

Output

Returns an OpenAI-compatible chat completion JSON object containing the assistant's message content, finish reason (e.g. 'stop'), a completion ID, and token usage breakdown (prompt tokens, completion tokens, total tokens).

Example use cases

Agentic tool-calling with Qwen3

“I need to run a multi-turn conversation with Qwen3-235B where the assistant can call a weather tool I've defined — send the system message 'You are a helpful assistant with tool access', the user message 'What's the weather in Berlin?', include my weather tool schema, and keep the response under 1024 tokens. Pay the per-call USDC fee automatically.”

Pay-per-use coding help

“Ask Qwen3-235B to review this Python function and suggest improvements — system prompt: 'You are a senior Python engineer', user message: 'Here is my code: [paste code]', temperature 0.3, max 2048 tokens. I want to pay only for this one call without any monthly subscription.”

Crypto-native AI pipeline for content draft

“Generate a short product description for my new SaaS tool using Qwen3-235B — system: 'You are a marketing copywriter', user: 'Write a 3-sentence product description for a project management app called TaskFlow that targets remote teams', temperature 1.0, max 300 tokens. Use the Telnyx x402 gateway so each generation is billed in USDC.”

Technical details

Endpoint

POSThttps://x402.telnyx.com/v1/chat/completions/_t/qwen3-235b?utm_source=zero.xyz

When to prefer

Choose this endpoint when you need a powerful Mixture-of-Experts LLM (Qwen3-235B with 22B active parameters) on a strict pay-per-call basis with no monthly commitment, billed in USDC via x402 micropayments. It is ideal for agentic workflows that need tool calling, sporadic high-quality inference without subscription overhead, or crypto-native pipelines where on-chain payment provenance matters. Prefer alternatives when you need streaming responses, more than 2048 output tokens, or a different model family.

Side effects

Insufficient USDC balance causes payment failure and 402 response before inference runs
Messages array exceeds 32 items or individual content exceeds 8000 characters, returning 400 validation error
max_tokens exceeds 2048 ceiling, causing schema validation rejection
Model identifier mismatch if caller tries to override the fixed Qwen/Qwen3-235B-A22B model field
Network timeout if the 235B model is under high load, causing incomplete response
Tools array exceeds 16 items, triggering a validation error

Input

Schema · Request body

Field	Type	Description
n	integer	Fixed to one completion per paid call.
model	string	Model identifier; fixed to Qwen/Qwen3-235B-A22B on this route.
tools	array
messages	array	OpenAI-style chat messages.
max_tokens	integer
temperature	number

Output

Schema · Response

{
  "type": "json",
  "example": {
    "id": "chatcmpl-xxx",
    "usage": {
      "total_tokens": 16,
      "prompt_tokens": 12,
      "completion_tokens": 4
    },
    "object": "chat.completion",
    "choices": [
      {
        "index": 0,
        "message": {
          "role": "assistant",
          "content": "Hello!"
        },
        "finish_reason": "stop"
      }
    ]
  }
}

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