# SaaS Credit-Based

## Add Source

To send events to your Segment instance, select **Add Source** and then **HTTP API or Node.js**. Then, copy your Segment write key.

<figure><img src="https://1173113760-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FYEKIeE9xnHLXuuwEs8zo%2Fuploads%2FEBPTmIUDlhcpFaBC4jut%2Fimage.png?alt=media&#x26;token=10ac8407-2584-4b89-aa71-c004b053303e" alt=""><figcaption></figcaption></figure>

<figure><img src="https://1173113760-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FYEKIeE9xnHLXuuwEs8zo%2Fuploads%2F7zqmcYalhxrp8FCOvF9F%2Fimage.png?alt=media&#x26;token=ee02d92c-44f9-4c47-90d1-c7d5a67eeea2" alt=""><figcaption></figcaption></figure>