> For the complete documentation index, see [llms.txt](https://docs.eseye.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.eseye.com/api-reference/add-a-user-for-infinity-api-access.md).
# Add a user for Infinity API access
Before you can call the Eseye Infinity APIs, they need a **service account**. A service account holds machine credentials, a Client ID and a Client Secret, that your application uses to authenticate against the API. It sits separately from the portal logins your team uses to sign in.
### Prerequisite
Your portal account must have permission to manage user accounts. If **User Accounts** does not appear under **Portfolio**, contact your administrator.
### Create the service account
1. Sign in to the [Infinity portal.](https://infinity.anynetiot.com/)
2. Select **Portfolio** > **User Accounts**.
1. Select the **Service Accounts** tab.
2. Select **Actions**, and then select the option to create a service account.
1. Complete the following fields:
| Field | Description |
| -------------------- | -------------------------------------------------------------------------------------------- |
| **Email Address** | Enter the email address associated with the account. |
| **First name** | Enter the account holder’s first name. |
| **Last name** | Enter the account holder’s last name. |
| **Access Roles** | Select at least one service account role. Assign only the roles required by the application. |
| **Customer Suspend** | Leave this option clear to create an active account. |
1. Select **Save**.
### Copy the client credentials
After you save the account, Infinity displays the following credentials:
* **Account**: The client ID.
* **Service Account Secret**: The client secret.
{% hint style="warning" %}
**Important:** Copy and securely store the client secret before you close the window. Infinity displays the secret only once.
{% endhint %}
After saving the credentials, select **Close**. The service account appears in the list with an **active** status.
### Replace a lost client secret
You cannot view or recover a client secret after closing the confirmation window. If you lose it:
1. Delete the existing service account.
2. Create a new service account.
3. Update the application with the new client ID and client secret.
Confirm that the credentials are no longer in use before deleting a service account.
---
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