Runtime Credential Selection for Tenant API Access Without Redeployment

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The article proposes selecting standby API credentials at runtime from a versioned control record, so tenant access can change without a deployment. Each switch would be tied to an authorized actor, with recorded reasons and revision history that show which scoped key was used and why. The design keeps secret values out of logs and the running application, and it requires that standbys meet the same authorization checks as primary credentials. The author stresses that revocation in the selector only blocks future selections and does not revoke credentials at the issuer or cancel in-flight requests. The architecture is presented as a proposal illustrated by a test interface, not an existing service's API.

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