BURN.

22 customers tracked against per-tier rate and concurrency limits. 6 burning more than 80% of their monthly quota by day 18. 2 hit concurrency caps that aren't in their contracted tier.

The quota call you didn't make is the support ticket you will.

AQ-014 · Acme Corp · Pro tier 92% BURN

92% of 1M/mo cap by day 19. Trending to overage day 23.

Send proactive upgrade offer, attach growth chart.