Pricing
Every number on this page is taken directly from the control-plane seed. No marketing math. Start free, upgrade only when your real usage approaches the cap.
$0forever
Best for prototyping and small projects.
$29/mo
+$5/1k connections · +$1/1M messages
Production apps and growing teams.
$199/mo
High load and business-critical systems.
Contact
Large teams and regulated environments.
Compare plans
These are exactly the limits enforced by the gateway and control plane — `MessagesPerMonthLimit`, `ConcurrentConnectionsLimit`, `MaxAppsPerProject` and friends.
| Limit | Free | Pro | Scale | Enterprise |
|---|---|---|---|---|
| Apps per project | 3 apps / project | 20 apps / project | 100 apps / project | Unlimited |
| Keys per app | 10 keys / app | 50 keys / app | 200 keys / app | Unlimited |
| Messages / month | 1,000,000 / month | 10,000,000 / month | 100,000,000 / month | Unlimited |
| Concurrent connections | 100 concurrent | 2,000 concurrent | 10,000 concurrent | Unlimited |
| Webhooks / project | 1 webhook | 10 webhooks | 50 webhooks | Unlimited |
| Replay retention | 1 hour | 72 hours | 30 days | 90 days |
| Notifications / month | 5,000 / month | 100,000 / month | 1,000,000 / month | Unlimited |
| Document DB | 50 MiB, 10 collections, 5,000 docs | 1 GiB, 100 collections, 200,000 docs | 10 GiB, 500 collections, 5,000,000 docs | Unlimited, 16 MiB / document |
| Reliable messaging | — | Included | Included | Included |
| Idempotency keys | — | Included | Included | Included |
| Support | Community | Priority | Dedicated engineering + SLA |
Single source of truth: internal/controlplane/audit_webhook_billing.go. If something here looks wrong, that file is canonical.
FAQ
Every message published or delivered through the gateway counts toward your monthly cap (inbound + outbound). Internal control-plane API calls do not.
At 80% of any quota you'll see a warning in the dashboard and receive an alert. At 100% new ingest is rejected with HTTP 429 and WebSocket subscribers receive close code 4029 until the next billing period or you upgrade your plan.
Yes. Upgrades take effect immediately and the new limits apply right away. Downgrades take effect at the start of the next billing period so you don't lose capacity mid-cycle.
Yes. ApexStream ships as a single binary plus MongoDB; Docker Compose and Helm chart are included. Self-host has no platform fee — Enterprise license unlocks audit verification, SSO, and dedicated support.
Unlimited quotas, hash-chained audit log with verification CLI, SSO/OIDC (on the roadmap), RBAC, data-residency guarantees, contractual SLA, named support engineer, and a private deployment story (VPC or on-prem).
The Free tier is fully usable in production for small workloads — it's not a demo sandbox. For Pro and Scale, reach out via the contact link and we'll set up a trial that matches your workload.
Ready to ship
No credit card required. Self-host the same stack with no license fee on day one.
