API usage tiers and monthly spend caps
Catalog row in Vendor License Rules · Cited
- Kind
- Counting
- Statement
- Rate limits (as published on 2026-09-26): "Organizations are placed on a tier automatically based on usage history and account standing". "Limits are set at the organization level." Monthly spend caps: Start $500, Build $1,000, Scale $200,000; Custom tier has no cap. Messages API limits are measured in RPM, ITPM and OTPM per model class.
- Applies when
- Planning API throughput and monthly spend ceilings.
- Applies to
- Claude API organizations (also Claude Platform on AWS, with different tier progression).
- Related metrics