Telnyx x402 Gateway – Llama 3.1 70B Chat Completions

x402

Telnyx x402 Gateway – Llama 3.1 70B Chat Completions is a paid API for AI agents from x402.telnyx.com, paid per call via x402, $0.007016/call, status unknown (last checked 2026-10-10).

Send an OpenAI-compatible chat completion request to Meta Llama 3.1 70B Instruct, paid per-call in USDC via the x402 protocol on Telnyx infrastructure.

Price / call$0.007016

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 generated message, finish reason (e.g. 'stop'), token usage breakdown (prompt, completion, total), a unique completion ID, and the object type field.

Example use cases

Pay-per-call agent reasoning step

“Use the Telnyx Llama 3.1 70B endpoint to reason through this customer support ticket and draft a reply — I want to pay per call in USDC rather than maintain a subscription, keep max tokens at 512 and temperature at 0.3.”

Agentic tool-use with crypto billing

“Send a chat completion request to Telnyx's Llama 70B with the following tool definitions for a web search function, include the system prompt 'You are a helpful research assistant', and bill via USDC per request through x402.”

One-off LLM task without API subscription

“I just need a single Llama 3.1 70B completion for a one-off content summarization task — use the Telnyx x402 gateway so I pay in USDC only for this one call, with temperature 0 and max tokens 300.”

Technical details

Endpoint

POSThttps://x402.telnyx.com/v1/chat/completions/_t/llama-3.1-70b?utm_source=zero.xyz

When to prefer

Choose this endpoint when you need OpenAI-compatible Llama 3.1 70B inference with pay-per-call USDC billing via x402, avoiding monthly subscriptions or API key management. It is ideal for agents or pipelines that require metered, on-chain-accountable LLM calls, especially when integrating with Coinbase-ecosystem or x402-aware infrastructure. Prefer it over standard Telnyx API auth flows when you want trustless per-request micropayments rather than pre-paid credits.

Side effects

Insufficient USDC balance or failed x402 payment results in 402 Payment Required
Exceeding max_tokens limit (>1024) or message count (>32) triggers 422 validation error
Content exceeding 8000 characters per message causes request rejection
Invalid or missing required 'messages' array returns a 400 Bad Request
Model overload or Telnyx infrastructure issues may cause 503 or timeout responses

Input

Schema · Request body

Field	Type	Description
n	integer	Fixed to one completion per paid call.
model	string	Model identifier; fixed to meta-llama/Meta-Llama-3.1-70B-Instruct 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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