[GitHub] rob05c commented on issue #2872: RFE: Add supported API versions API

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rob05c commented on issue #2872: RFE: Add supported API versions API
URL: https://github.com/apache/trafficcontrol/issues/2872#issuecomment-424409678
 
 
   >the 1.1 api, at a future date when that is removed
   We shouldn't be removing old minor versions, within a major. We should support all minor versions, within a major, and we should support one major version back, i.e. `1.x`is deprecated when `2.0` exists, and removed when `3.0` exists.
   
   But definitely +1 on a "supported API versions" endpoint. That especially helps other components fall back, when updating their requests, so they don't have to be upgraded at the same time as TO.
   
   For example, we need to change the Router to call new `/api/1.4/` endpoints instead of `/internal`. It'd be super-helpful to have a defined way to determine if `1.4` exists, and fall back to the old `/internal` if it doesn't.

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