Telnyx x402 Gateway — MiniMax M3 Chat Completions

x402

Telnyx x402 Gateway — MiniMax M3 Chat Completions is a paid API for AI agents from x402.telnyx.com, paid per call via x402, $0.011974/call, status unknown (last checked 2026-10-10).

Generate chat completions using the MiniMax-M3-MXFP8 model via a pay-per-request USDC micropayment gateway on Telnyx's x402 infrastructure.

Price / call$0.011974

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

Example use cases

One-off AI answer without subscription

“I don't want to pay a monthly API bill — just charge me per call in USDC. Send this message to the MiniMax M3 model on Telnyx: 'Summarize the key differences between REST and GraphQL in plain English.' Keep it under 300 tokens.”

Tool-augmented agent reasoning step

“Run a MiniMax M3 inference call through Telnyx with these messages — system: 'You are a coding assistant', user: 'Write a Python function to flatten a nested list' — and include a code-execution tool definition. Use temperature 0.2 and cap at 1024 tokens.”

Multi-turn chatbot backend call

“Continue this conversation using MiniMax M3 via Telnyx: the system prompt is 'You are a customer support agent for a SaaS product', and here are the last three turns between the user and assistant. Reply with temperature 0.8 and at most 512 tokens.”

Technical details

Endpoint

POSThttps://x402.telnyx.com/v1/chat/completions/_t/minimax-m3?utm_source=zero.xyz

When to prefer

Choose this endpoint when you need pay-per-call LLM inference using the MiniMax-M3-MXFP8 model with no subscription required — ideal for low-volume or bursty workloads where USDC micropayments are preferable to flat monthly billing. Prefer it over generic OpenAI endpoints when you specifically want MiniMax M3's capabilities, or when your agent stack already integrates x402 payment flows via Telnyx.

Side effects

Payment failure: insufficient USDC balance or x402 payment not accepted, resulting in 402 Payment Required
Context too long: messages exceed 32-item limit or content exceeds 32,000 characters
Token limit exceeded: max_tokens parameter outside 1–2048 range
Temperature out of range: value outside 0–2 causes validation error
Too many tools: more than 16 tool definitions provided
Model mismatch: specifying a model other than MiniMaxAI/MiniMax-M3-MXFP8 is rejected (fixed route)
Network timeout: inference latency spike causes request to time out

Input

Schema · Request body

Field	Type	Description
n	integer	Fixed to one completion per paid call.
model	string	Model identifier; fixed to MiniMaxAI/MiniMax-M3-MXFP8 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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