All Builder Projects access the following list of URLs. Ensure these are included within your application or organization's allowlist.
firestore.googleapis.com
firebasestorage.googleapis.com
identitytoolkit.googleapis.com
*.builder.io
*.builder.codes
*.builder.my
*.builderio.dev
*.builderio.xyz
*.fly.devEach of these URLs serves the following purpose:
| Domain | Description |
|---|---|
| Base URL for the Cloud Firestore API. |
| Base URL for the Firebase Cloud Storage, which serves content such as photos or videos. |
| Base URL for Google's Identity Toolkit API. |
| Several Builder operations routed through this URL. |
| Sandbox Builder operations are routed through this URL. User-generated applications run on this URL. |
| Preview URLs utilize this domain. |
| Sandbox Builder operations are routed through this URL. User-generated applications run on this URL. |
| Legacy operations use this URL. Prefer |
| Legacy operations used this URL. Currently in the process of being deprecated. |