service-tiers changedapi/service-tiers
Nearest release: v2.1.312, published under an hour before this site recorded the change. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.
Recorded here
Lines+2added
Lines−2removed
From line
20
where the diff opens
First seen
14 Aug 2026
this site's first read of the page
Recorded edits16to this page, all time
The whole hunk
from line 20, old and new numbered
/
from line 20
2020
2121## Priority Tier
2222
23The API prioritizes requests in this tier over all other requests. This prioritization helps minimize ["server overloaded" errors](https://platform.claude.com/docs/en/api/errors#http-errors), even during peak times.
23The API prioritizes requests in this tier over all other requests. This prioritization helps minimize [“server overloaded” errors](https://platform.claude.com/docs/en/api/errors#http-errors), even during peak times.
2424
2525For more information, see [Existing Priority Tier commitments](https://platform.claude.com/docs/en/api/service-tiers#existing-priority-tier-commitments).
2626
from line 183
183183The `service_tier` parameter accepts the following values:
184184
185185* `"auto"` (default) - Uses the Priority Tier capacity if available, falling back to your other capacity if not
186* `"standard_only"` - Uses only standard tier capacity, useful if you don't want to use your Priority Tier capacity
186* `"standard_only"` - Uses only standard tier capacity, useful if you don’t want to use your Priority Tier capacity
187187
188188The response `usage` object also includes the service tier assigned to the request:
189189
No line in this hunk matches that.