Vercel · Example Payload

Vercel Ai Gateway Chat Completion Example

AI GatewaysGatewaysObservabilityWebhooks

Vercel Ai Gateway Chat Completion Example is an example object payload from Vercel, with 2 top-level fields. It illustrates the shape of data this provider's APIs accept or return.

Top-level fields

requestresponse

Example Payload

{
  "request": {
    "method": "POST",
    "url": "https://ai-gateway.vercel.sh/v1/chat/completions",
    "headers": {
      "Authorization": "Bearer your_ai_gateway_api_key",
      "Content-Type": "application/json"
    },
    "body": {
      "model": "anthropic/claude-opus-4.6",
      "messages": [
        {
          "role": "user",
          "content": "Write a one-sentence bedtime story about a unicorn."
        }
      ],
      "stream": false
    }
  },
  "response": {
    "status": 200,
    "body": {
      "id": "chatcmpl_a1b2c3d4e5",
      "object": "chat.completion",
      "created": 1746302400,
      "model": "anthropic/claude-opus-4.6",
      "choices": [
        {
          "index": 0,
          "message": {
            "role": "assistant",
            "content": "Once upon a time, a rainbow-maned unicorn named Luna danced through a field of silver moonflowers until she fell asleep beneath the stars."
          },
          "finish_reason": "stop"
        }
      ],
      "usage": {
        "prompt_tokens": 18,
        "completion_tokens": 34,
        "total_tokens": 52
      }
    }
  }
}