curl --request POST \
  --url https://api.omnimux.ai/v1/chat/completions \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "model": "tiktok-search",
  "messages": [
    { "role": "user", "content": "." }
  ],
  "keyword": "openai"
}'

{
  "id": "chatcmpl-social-data-example",
  "object": "chat.completion",
  "model": "tiktok-search",
  "choices": [
    {
      "index": 0,
      "message": {
        "role": "assistant",
        "content": "{ /* 上游平台 JSON，结构因接口而异 */ }"
      },
      "finish_reason": "stop"
    }
  ]
}

{
  "error": {
    "message": "Invalid request: missing keyword or invalid parameter",
    "type": "invalid_request_error",
    "code": "bad_request"
  }
}

{
  "error": {
    "message": "Invalid token or authentication failed",
    "type": "authentication_error",
    "code": "unauthorized"
  }
}

{
  "error": {
    "message": "Insufficient quota. Please top up your account.",
    "type": "insufficient_quota",
    "code": "insufficient_quota"
  }
}

{
  "error": {
    "message": "Model not allowed for this token",
    "type": "permission_error",
    "code": "forbidden"
  }
}

{
  "error": {
    "message": "Rate limit exceeded",
    "type": "rate_limit_error",
    "code": "rate_limit_exceeded"
  }
}

{
  "error": {
    "message": "Internal server error",
    "type": "server_error",
    "code": "internal_error"
  }
}

{
  "error": {
    "message": "Upstream provider error",
    "type": "server_error",
    "code": "bad_gateway"
  }
}