History: Caching

Every change to this page, newest first. Expand an entry to see what changed.

← Caching

1. 2 Oct 2026 · +1 −1 lines
   Show changes

   ⋯
     
     - **Errors are not data.** A `503`, a timeout or a `429` never replaces something you had.
   - - **No shared caches.** Tickets, signed links and your catalog belong to your organisation. Configuration and creatives responses say `Cache-Control: no-store`; treat every other response the same way. See [Canonical API behaviour · Caching headers](../reference/behaviour.md#caching-headers).
   + - **No shared caches.** Tickets, signed links and your catalog belong to your organisation. Every Delivery API response says `Cache-Control: no-store`. See [Canonical API behaviour · Caching headers](../reference/behaviour.md#caching-headers).
     - **Use server time.** Compare `expires_at` with your server clock (synchronised), not a device clock.
     
   ⋯

2. 2 Oct 2026 · Page created