# Amba pricing

Last updated: 2026-06-12. Rates verified against the live billing engine 2026-06.

Amba pricing is per project: Free at $0 (1,000 MAU), Pro at $20 per month (25K MAU), Scale at $200 per month (250K MAU), and Enterprise by contract. Every tier includes all seven capability categories. Overages are linear and posted, and an optional spend ceiling caps the worst-case monthly bill.

## Tiers

| Tier | Price | Annual | MAU | Events/mo | Push/mo | Database | Media |
|---|---|---|---|---|---|---|---|
| Free | $0/mo | — | 1,000 | 10K | 1K | 100 MB | 100 MB |
| Pro | $20/mo | $16/mo | 25K | 250K | 50K | 1 GB | 1 GB |
| Scale | $200/mo | $160/mo | 250K | 2.5M | 500K | 5 GB | 25 GB |
| Enterprise | Custom | — | Custom | Custom | Custom | Custom | Custom |

- Free — $0. 1,000 MAU, 10K events/mo, 1K push/mo, 100 MB database, 100 MB media. Sleeps after 14 days of inactivity (wakes on next request); max 2 free projects per account.
- Pro — $20/mo ($16/mo annual). 25K MAU, 250K events/mo, 50K push/mo, 1 GB database, 1 GB media. Email support; 7-day backups.
- Scale — $200/mo ($160/mo annual). 250K MAU, 2.5M events/mo, 500K push/mo, 5 GB database, 25 GB media. Priority support; 30-day backups.
- Enterprise — custom pricing. Custom limits; BAA, SSO, dedicated region, audit log, SLA. Contact: https://amba.dev/enterprise

Pricing is per project — one app, one project, one subscription. There is no per-seat charge; pricing never scales with team size.

## Overage rates (every tier)

| Meter | Rate | Notes |
|---|---|---|
| MAU | $0.50 per 1K MAU |  |
| Engagement events | $0.50 per 10K events |  |
| Push deliveries | $0.50 per 10K push deliveries |  |
| Database storage | $1.50 per GB-mo database storage |  |
| Media storage | $0.10 per GB-mo media storage |  |
| Telemetry events | $0.10 per 1M telemetry events | High-volume analytics ingest (track with { telemetry: true }). No included quota; no fan-out to segments, workflows, or push — which is why it costs a fraction of an engagement event. |
| Agent tool calls | $0.50 per 10K agent tool calls | Calls against a project's per-app MCP endpoint. No included quota; priced the same as engagement events. |

## Worked examples

Computed from the posted rates above:

- Pro project at 50,000 MAU: $20 base + 25,000 MAU over quota at $0.50 per 1K MAU = $12.50 overage → $32.50/mo.
- Scale project at 300,000 MAU and 3,000,000 events: $200 base + $25 MAU overage + $25 events overage → $250/mo.

## Enforcement

Two enforcement modes. Throttle (the default): a metered write past an included quota is refused with a machine-readable 402 — code, current usage, limit, and reset date — until the period resets or you upgrade. Overage billing: traffic keeps flowing and overage accrues linearly at the posted rates onto the next invoice. Either way you can set a monthly spend ceiling: at 100% the project degrades to read-only (metered writes return 402, reads keep working), with webhook warnings fired once per period at 80% and 100%.

Agents can read live tier, per-meter usage, projected overage, and the enforcement state from the billing status API (MCP tool: `amba_billing_status`) and set a ceiling with `amba_billing_set_ceiling` — useful to self-throttle before a heavy workload.

## Starting free from an agent

An agent-minted sandbox account (no email verification, no credit card) keeps its project, data, and keys. Verifying an email — `amba_developer_verify` with the signup's `verify_token`, or `amba claim <email>` from the CLI — upgrades the same account to the Free tier in place; nothing is re-provisioned.

## Links

- Human pricing page: https://amba.dev/pricing
- Enterprise (custom limits, BAA, SSO, dedicated region, SLA): https://amba.dev/enterprise
- Agent index: https://amba.dev/llms.txt
- Full corpus, one file: https://amba.dev/llms-full.txt