# REST Resource: tiers

- [Resource: Tier](https://docs.cloud.google.com/sql/docs/mysql/admin-api/rest/v1/tiers#Tier)
  - [JSON representation](https://docs.cloud.google.com/sql/docs/mysql/admin-api/rest/v1/tiers#Tier.SCHEMA_REPRESENTATION)
- [Methods](https://docs.cloud.google.com/sql/docs/mysql/admin-api/rest/v1/tiers#METHODS_SUMMARY)

## Resource: Tier

A Google Cloud SQL service tier resource.

| JSON representation |
|---|
| ``` { "tier": string, "RAM": string, "kind": string, "DiskQuota": string, "region": [ string ] } ``` |

| Fields ||
|---|---|
| `tier` | `string` An identifier for the machine type, for example, `db-custom-1-3840`. For related information, see [Pricing](https://docs.cloud.google.com/sql/pricing). |
| `RAM` | `string (https://developers.google.com/discovery/v1/type-format format)` The maximum ram usage of this tier in bytes. |
| `kind` | `string` This is always `sql#tier`. |
| `DiskQuota` | `string (https://developers.google.com/discovery/v1/type-format format)` The maximum disk size of this tier in bytes. |
| `region[]` | `string` The applicable regions for this tier. |

| ## Methods ||
|---|---|
| ### `https://docs.cloud.google.com/sql/docs/mysql/admin-api/rest/v1/tiers/list` | Lists all available machine types (tiers) for Cloud SQL, for example, `db-custom-1-3840`. |