- Transparent tiers: Clear per‑email pricing and volume discounts
- Guardrails: Optional rate caps and anomaly alerts to prevent spikes
- Visibility: Usage dashboards and exportable billing data
- No surprises — plan growth confidently
- Control costs with rate caps and alerts
- Accountability with clear usage data
- Set conservative caps during ramp; raise as needed.
- Monitor monthly usage; export for internal chargebacks.
- % of customers on budget vs. plan
- Incident count of surprise-bill tickets
