Plan limits and quotas
Numerical limits and feature availability per capability: Uptime, On-call, and Status pages.
Exact limits are served at runtime via GET /api/v1/public/tiers. The values below reflect the current configuration; in the event of a discrepancy, the API response is authoritative.
HowlOps is composed of three independent capabilities. Each capability is bought (or kept Free) on its own. Buying paid plans for all three capabilities (the Complete bundle) applies a bundle discount of roughly 23% to the combined subtotal. There is no flat "Standard / Premium / Enterprise" plan.
Uptime
| Limit | Free | S ($15) | M ($39) | L ($99) |
|---|---|---|---|---|
| Active monitors | 50 | 100 | 500 | 2000 |
| Min. check interval | 120 s | 60 s | 30 s | 15 s |
| Multi-region probing | No | Yes | Yes | Yes |
| Screenshot monitoring | No | Yes | Yes | Yes |
| Retention (check results) | 7 days | 30 days | 90 days | 365 days |
Multi-region probing and screenshot monitoring are included on every paid Uptime plan (S, M, L). The plans differ in monitor capacity, check interval, and retention.
On-call
| Feature | Free | Paid ($12 / active responder / mo) |
|---|---|---|
| On-call schedules | All plans | All plans |
| Escalation policies and steps | All plans | All plans |
| External alert ingestion (Prometheus / Alertmanager, Grafana, Datadog, CloudWatch) | Yes | Yes |
| SMS paging | No | 100/mo incl., then $0.05 each |
| Voice paging | No | 50/mo incl., then $0.25 each |
On-call paid is metered: billed only for responders who actually rotated in a given month.
Status pages
| Limit | Free | Starter ($5) | Pro ($9) |
|---|---|---|---|
| Status pages | 1 | More | Most |
| Email subscriber notifications | Yes | Yes | Yes |
| Embed widget | Yes | Yes | Yes |
| Password protection | No | No | Yes |
| Custom domain | No | No | Yes |
| White-label (remove "Powered by") | No | No | Yes |
| Custom CSS | No | No | Yes |
Data and API limits
| Limit | Value |
|---|---|
| Audit log retention | 365 days |
| Data export | Yes (manual) |
| API rate limit (authenticated) | 600 req/min |
| Idempotency key support | Yes |
Security features
| Feature | Availability |
|---|---|
| MFA (TOTP) | All plans, including Free |
| Enforce MFA workspace-wide | All plans |
| SSO (SAML 2.0) | Any paid plan (Uptime S+, paid On-call, or Status Starter+) |
SSO / SAML is a security baseline available on any paid plan, not a separate premium tier.
Rate limits by endpoint group
| Endpoint group | Limit | Window |
|---|---|---|
/api/v1/auth/* | 30 requests | 1 minute / IP |
/api/v1/oauth/* (token, refresh) | 30 requests | 1 minute / IP (shares the auth limiter) |
/api/v1/hb/* (heartbeat pings) | Configurable per tenant | n/a |
| Default (authenticated) | 600 requests (all plans) | 1 minute / user |
Public reads (/api/v1/public/*) | 300 requests | 1 minute / IP |
Billing
Paid capabilities are available on monthly or annual billing. Annual billing provides a discount (shown on the pricing page). On-call SMS/voice overages and metered active responders are billed on top of the committed subtotal.
See also
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