Billing Model
1. Billing Model
2. Common Usage Examples
3.Status Code Reference Table
| Status Code | state | Problem Description | Whether to charge |
| 200 | Success | The request was successful, and the complete search engine results page data was retrieved. | Yes |
| 300 | Not collected | Unable to parse/process the response, resulting in no valid data being collected. | No |
| 400 | Bad request | Invalid parameters were passed. | No |
| 401 | Unauthorized | Authentication failed; please check token validity. | No |
| 500 | 500 Internal server error | The requested resource does not exist. | No |
| 504 | 504 Timeout error | The request rate exceeded the API limit. | No |

