# S2 Pricing

> We bring you the S3 experience for durable streams, and that includes transparent serverless pricing.


New accounts start with $10 in welcome credits.

## Rates

| Meter             |               USD | Unit        | Notes                        |
| ----------------- | ----------------: | ----------- | ---------------------------- |
| Data retained     |  0.00006849315068 | GiB-hour    | $0.05 per GiB-month          |
| Basin             | 0.000013698630137 | basin-hour  | $0.01 per basin-month        |
| Stream            |      0.0000000137 | stream-hour | $0.01 per 1000 stream-months |
| Access token      |      0.0000000137 | token-hour  | $0.01 per 1000 token-months  |
| Standard write    |              0.05 | GiB         |                              |
| Express write     |             0.075 | GiB         |                              |
| Private read      |              0.05 | GiB         |                              |
| Internet read     |               0.1 | GiB         |                              |
| Account operation |            0.0001 | op          | $0.100 per 1000 ops          |
| Basin operation   |           0.00001 | op          | $0.010 per 1000 ops          |
| Stream operation  |          0.000001 | op          | $0.001 per 1000 ops          |

## Operation Mapping

Account operations:

| Group        | Operations                                                                             |
| ------------ | -------------------------------------------------------------------------------------- |
| Basin        | `list-basins`, `create-basin`, `delete-basin`, `reconfigure-basin`, `get-basin-config` |
| Access Token | `list-access-tokens`, `issue-access-token`, `revoke-access-token`                      |
| Metrics      | `account-metrics`, `basin-metrics`, `stream-metrics`                                   |

Basin operations:

- `list-streams`
- `create-stream`
- `delete-stream`
- `reconfigure-stream`
- `get-stream-config`

Stream operations:

- `append`
- `read`
- `check-tail`

Sessions are metered as one stream operation per minute.

For appends, the per-operation charge is waived for subsequent requests within a minute to the same stream over the same connection.

## Included

- 99.99% availability SLO.
- [Talk to us](/contact) on Slack, in Discord, or by email.
- SOC 2 report, GDPR DPA, and HIPAA BAA [available](mailto:trust@s2.dev).