When you’re setting up Google Workspace, you need to add some host names to your allowlist so Google Workspace APIs work correctly.
Important:
- This information is subject to change without notice.
- For product-specific information about APIs, refer to the Help Center content for that product.
Step 1: Open connectivity ports
Open the following ports:
| Port | Purpose |
|---|---|
| TCP port 443 (HTTPS) | Access the main URLs for authentication and API call |
| TCP port 80 (HTTP) | Allow CRL and OCSP checks (Step 4 later on this page) |
Notes:
- Depending on your setup and the application, you might need to allow additional rules.
- If you're using a Microsoft Windows client, you might need to allow these rules on a per-application basis. For details, consult your Microsoft documentation.
Step 2: URLs to allow
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Step 3: Review Google IP address ranges
Review how to find Obtain Google IP address ranges. Any of the Google URLs specified in step 2 can use the Google IP addresses.
You can also test the connection from the Google Admin Toolbox.
Step 4: Allow checks
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Related topics
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