Telnyx x402 Gateway – GLM-5.2 Chat Completions

x402

Telnyx x402 Gateway – GLM-5.2 Chat Completions is a paid API for AI agents from x402.telnyx.com, paid per call via x402, $0.037526/call, status unknown (last checked 2026-10-12).

Pay-per-request chat completions using the zai-org/GLM-5.2 language model, billed in USDC via the x402 micropayment protocol

Price / call$0.037526

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 reply text, finish reason (e.g. 'stop'), token usage breakdown (prompt, completion, total tokens), and a completion ID. The model is always zai-org/GLM-5.2.

Example use cases

On-demand LLM for autonomous agent

“I need to query the GLM-5.2 model on Telnyx's x402 gateway with this message thread — system: 'You are a concise summarizer', user: 'Summarize the following article: [article text]' — keep it under 256 tokens and use temperature 0.3, billed per call so I don't pay a flat monthly fee.”

Tool-calling workflow with GLM-5.2

“Send this multi-turn conversation to GLM-5.2 via the Telnyx x402 gateway, including a tool definition for 'get_weather', and let the model decide whether to call the tool — messages: system 'You are a weather assistant', user 'What's the weather in Berlin?' — cap at 1024 tokens.”

Prototyping AI feature with pay-per-use billing

“I'm testing an AI chatbot and want to use the GLM-5.2 model through Telnyx's x402 pay-per-request gateway — just send a single user message 'Write me a haiku about the ocean' with temperature 1.0 and max 100 tokens, charged in USDC so I only pay for what I use.”

Technical details

Endpoint

POSThttps://x402.telnyx.com/v1/chat/completions/_t/glm-5.2?utm_source=zero.xyz

When to prefer

Choose this endpoint when you need OpenAI-compatible chat completions from the GLM-5.2 model specifically, want pay-as-you-go USDC micropayment billing rather than a monthly subscription, are building autonomous agents that need programmatic crypto-native payment flows via x402, or want to avoid API key management in favour of per-request stablecoin payment. Prefer alternatives if you need a different model, streaming responses, or responses longer than 2048 tokens.

Side effects

Payment not received or USDC balance insufficient — 402 Payment Required returned
Invalid or missing messages array — 400 Bad Request
Content exceeds 32,000 character per message limit — validation error
max_tokens exceeds 2048 ceiling — rejected with schema validation error
Temperature outside 0–2 range — 400 Bad Request
Model field set to anything other than zai-org/GLM-5.2 — rejected (const constraint)
Upstream inference service timeout — 503 or timeout error

Input

Schema · Request body

Field	Type	Description
n	integer	Fixed to one completion per paid call.
model	string	Model identifier; fixed to zai-org/GLM-5.2 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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