Fastly · Example Payload

Fastly Ai Accelerator Chat Completion Example

CDNEdge CloudEdge ComputeWebAssemblySecurityAIObservabilityAsyncAPIStreamingWebhooksLogging

Fastly Ai Accelerator Chat Completion Example is an example object payload from Fastly, 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://api.fastly.ai/openai/v1/chat/completions",
    "headers": {
      "Fastly-Key": "FASTLY_API_KEY",
      "Content-Type": "application/json"
    },
    "body": {
      "model": "gpt-4o-mini",
      "messages": [
        { "role": "system", "content": "You are a helpful assistant." },
        { "role": "user", "content": "What is the capital of France?" }
      ],
      "temperature": 0.2,
      "max_tokens": 50
    }
  },
  "response": {
    "status": 200,
    "headers": {
      "X-Fastly-AI-Cache": "HIT",
      "X-Fastly-AI-Similarity": "0.984"
    },
    "body": {
      "id": "chatcmpl-9oXa9w0",
      "object": "chat.completion",
      "created": 1747900000,
      "model": "gpt-4o-mini",
      "choices": [
        {
          "index": 0,
          "message": { "role": "assistant", "content": "The capital of France is Paris." },
          "finish_reason": "stop"
        }
      ],
      "usage": { "prompt_tokens": 22, "completion_tokens": 8, "total_tokens": 30 },
      "x_fastly_cache": { "status": "HIT", "similarity": 0.984 }
    }
  }
}