Free Tier & Plan System — free/pro/enterprise with enforcement

2026-03-23

billing

What We Built

3-tier plan system: Free (10k req/mo, 1 key, 2 agents), Pro (500k req/mo, 25 keys, 50 agents), Enterprise (unlimited). Limit enforcement for requests, API keys, agents, and features. Upgrade prompts at 80%, 95%, 100% thresholds.

Lockstep Checklist

[x] API: 3 billing endpoints
[x] Tests: 18 tests for limits, features, status, percentages
[x] Docs: Ship log