Start here
Use the quickstart for environment setup, then choose SDK or API integration depending on what your service already supports.
Docs
Shield documentation
Implementation-oriented notes for SDK setup, API configuration, decision examples and operational practices.
Details
Clear claims, explicit boundaries
Decision model
Login and action decisions should be evaluated server-side and mapped explicitly to product behavior.
Operational topics
Fail-open versus fail-closed behavior, webhook verification, key rotation and incident response need application-specific choices.