API error type
Tier limit reached
HTTP 429 · https://errors.driftstack.dev/tier-limit
What it means
A per-tier resource cap (e.g. profile count) is exhausted.
How to fix it
Delete unused resources or upgrade your tier. The error body names the limit that was hit.
Where it appears
In the type field of the RFC 9457 application/problem+json error body, alongside title, status, detail, and an instance correlation id.