@Khalid Boulhala - Welcome to Microsoft Q&A and thanks for reaching out to us.
To get the history of your free credit and how it was used, you can follow these steps:
- Sign into the Azure portal.
- Search for Cost Management + Billing and select Billing scopes from the navigation menu and then select the billing account that you want to work with.
- To see the usage of your free credit, you can go to the Cost analysis page. In the left menu under Cost Management, select Cost analysis.
- In the Cost analysis page, you can see the usage of your free credit by selecting the Usage + Charges tab. You can filter the usage by date range, subscription, resource group, and other parameters.
Hope this helps. and please feel free to reach out if you have any further questions.
If the above response was helpful, please feel free to "Accept as Answer" and click "Yes" so it can be beneficial to the community.