You may be interested in this approach (section “ACF PRO site-specific licenses”):
Bedrock For development, use an auth.json file in the Bedrock project folder – but it should not be committed to the repository, but rather added to .gitignore as it is a secret (the ACF PRO license), similar to the .env file. { "http-basic": { + "connect.advancedcustomfields.com": { + "username": "[ACF PRO license key]", + "password": "https://[domain.tld]" + } } } Use the ACF PRO license key as the username. The password should be the site host (…