If you have created Google Ads accounts on your AdPay dashboard and you wish to increase the budget of a particular account, all you need to do is to simply:
Select the particular account name for which you wish to increase its budget.
Right under budget history, on the account’s page, click on the green edit icon.
Note: Only active and future budgets would have the edit icon
Once the budget modal comes up,
Enter the additional budget amount you want to add
Extend the end date by clicking on the calendar icon inside the “End date” field.
And lastly, click on the “Save” button to save the additional budget amount.