If the quota for API calls of your Alibaba Cloud account is reached, you can apply for an increase of the quota in the Quota Center console.
View API throttling quotas
You can view PolarDB API throttling quotas in the Quota Center console.
- Log on to the Quota Center console.
- In the left-side navigation pane, choose .
- On the Products with API Rate Limits page, click ApsaraDB for POLARDB.
- Select a region and enter the name of the API operation in the Keyword field to search for the API operation.

Apply for API throttling quotas
If the quota for PolarDB API calls of your Alibaba Cloud account is reached, you can apply for an increase of the quota in the Quota Center console.
- Log on to the Quota Center console.
- In the left-side navigation pane, choose .
- On the Products with API Rate Limits page, click ApsaraDB for POLARDB.
- Select a region and enter the name of the API operation in the Keyword field to search for the API operation.
- Click Apply in the Actions column.

- In the Apply for API Rate Limit dialog box, set Quantity, Reason, and Notify Result. Click OK.
After the application is submitted and approved, the new API throttling quota is automatically updated.