Stuck on Tier 1 despite meeting threshold for upgrade

xe:

but the wording is misleading at best

You can reply directly to “OpenAI Support” that the documentation is wrong, and the effect is nothing. They continue to present falsehoods.

API account active for two months but still Tier 1

This is false. Documentation also is false.

Upgrade eligibility will only be recalculated when making another credit purchase.