> For the complete documentation index, see [llms.txt](https://mariadb.com/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mariadb.com/docs/mariadb-cloud/reference.md).

# Reference

- [FAQs](https://mariadb.com/docs/mariadb-cloud/reference/faqs.md): Frequently asked questions about MariaDB Cloud: what it is, how it differs from self-managed MariaDB, deployment options, scaling, security, pricing, and migration paths.
- [MariaDB Cloud Uptime SLA](https://mariadb.com/docs/mariadb-cloud/reference/uptime-sla.md): MariaDB Cloud uptime SLA: 99.95% per billing month for Foundation Tier multi-node, 99.995% for Power Tier, with service-credit remedies for downtime exceeding the target.
- [Fractional DBA Service: Remote DBA](https://mariadb.com/docs/mariadb-cloud/reference/fractionaldba.md): Remote DBA is the optional Fractional DBA add-on for MariaDB Cloud: part-time access to database administrators for routine maintenance, troubleshooting, and migration advice.
- [MariaDB Server Version Support](https://mariadb.com/docs/mariadb-cloud/reference/mariadb-server-versions.md): MariaDB Server versions supported on MariaDB Cloud: 11.8, 11.4, 10.11, 10.6, and 10.5 (current minor versions), available across both serverless and provisioned deployments.
- [Supported Backup Types](https://mariadb.com/docs/mariadb-cloud/reference/backup-support.md): MariaDB Cloud backup support reference: which backup types (full, incremental, dump, snapshot, PITR) are supported by each MariaDB Server version and deployment topology.
- [MariaDB Cloud Instance Sizes](https://mariadb.com/docs/mariadb-cloud/reference/mariadb-cloud-instance-sizes.md): MariaDB Cloud instance sizes: serverless instances autoscale between 1–2 SCUs (each MCU = 0.5 vCPU + 2 GB), and provisioned instances offer fixed sizes for predictable workloads.
- [MariaDB Cloud Monitoring Metrics Reference](https://mariadb.com/docs/mariadb-cloud/reference/mariadb-cloud-monitoring-metrics-reference.md): MariaDB Cloud monitoring metrics reference for the Portal: connections, CPU load, SQL command ratios, disk usage, QPS, replica lag, GTID position, and MaxScale-specific panels.
- [MariaDB Cloud Region Choices](https://mariadb.com/docs/mariadb-cloud/reference/region-choices.md): MariaDB Cloud region choices across AWS, GCP, and Azure, listing each region's location, cloud provider, and supported service types (Provisioned and/or Serverless).
- [MariaDB Cloud REST API Reference](https://mariadb.com/docs/mariadb-cloud/reference/rest-api-reference.md): MariaDB Cloud REST API reference: service provisioning, pricing/billing, configuration, user management, backup/restore scheduling, and lifecycle operations via swagger docs.
- [MariaDB Cloud Stored Procedures](https://mariadb.com/docs/mariadb-cloud/reference/stored-procedures.md): MariaDB Cloud stored procedures for replication and DBA tasks, including change\_external\_primary for inbound replication from an external primary server via binary-log position.
- [MariaDB Cloud API Reference Guide](https://mariadb.com/docs/mariadb-cloud/reference/mariadb-cloud-api-reference-guide.md): MariaDB Cloud REST API reference guide for the DBaaS Provisioning, Backup, and management APIs, with endpoint listings, authentication, and example requests.
- [Authentication](https://mariadb.com/docs/mariadb-cloud/reference/mariadb-cloud-api-reference-guide/authentication.md)
- [Get Started](https://mariadb.com/docs/mariadb-cloud/reference/mariadb-cloud-api-reference-guide/get-started.md)
- [Offering](https://mariadb.com/docs/mariadb-cloud/reference/mariadb-cloud-api-reference-guide/offering.md)
- [Services](https://mariadb.com/docs/mariadb-cloud/reference/mariadb-cloud-api-reference-guide/services.md)
- [Maintenance And Upgrade](https://mariadb.com/docs/mariadb-cloud/reference/mariadb-cloud-api-reference-guide/maintenance-and-upgrade.md)
- [Copilot](https://mariadb.com/docs/mariadb-cloud/reference/mariadb-cloud-api-reference-guide/copilot.md)
- [Backups](https://mariadb.com/docs/mariadb-cloud/reference/mariadb-cloud-api-reference-guide/backups.md)
- [Restores](https://mariadb.com/docs/mariadb-cloud/reference/mariadb-cloud-api-reference-guide/restores.md)
- [Config](https://mariadb.com/docs/mariadb-cloud/reference/mariadb-cloud-api-reference-guide/config.md)
- [Users](https://mariadb.com/docs/mariadb-cloud/reference/mariadb-cloud-api-reference-guide/users.md)
- [Roles](https://mariadb.com/docs/mariadb-cloud/reference/mariadb-cloud-api-reference-guide/roles.md)
- [Invites](https://mariadb.com/docs/mariadb-cloud/reference/mariadb-cloud-api-reference-guide/invites.md)
- [Organizations](https://mariadb.com/docs/mariadb-cloud/reference/mariadb-cloud-api-reference-guide/organizations.md)
- [Billing](https://mariadb.com/docs/mariadb-cloud/reference/mariadb-cloud-api-reference-guide/billing.md)
- [Notifications](https://mariadb.com/docs/mariadb-cloud/reference/mariadb-cloud-api-reference-guide/notifications.md)
- [Serverless](https://mariadb.com/docs/mariadb-cloud/reference/mariadb-cloud-api-reference-guide/serverless.md)
- [Progress](https://mariadb.com/docs/mariadb-cloud/reference/mariadb-cloud-api-reference-guide/progress.md)
- [Projects](https://mariadb.com/docs/mariadb-cloud/reference/mariadb-cloud-api-reference-guide/projects.md)
- [Observability](https://mariadb.com/docs/mariadb-cloud/reference/mariadb-cloud-api-reference-guide/observability.md)
- [Models](https://mariadb.com/docs/mariadb-cloud/reference/mariadb-cloud-api-reference-guide/models.md)
- [Pricing](https://mariadb.com/docs/mariadb-cloud/reference/pricing.md): MariaDB Cloud pricing is shown at service launch as an estimate based on usage parameters; actual costs may vary, and the displayed price is not a binding quote.
- [Maintenance Windows](https://mariadb.com/docs/mariadb-cloud/reference/maintenance-windows.md): Maintenance windows and scheduling policies for MariaDB Cloud — every service has an assigned weekly 1-hour window defined in UTC, auto-assigned per region and configurable per service.
- [MaxScale Redundancy](https://mariadb.com/docs/mariadb-cloud/reference/maxscale-redundancy.md): MaxScale Redundancy is the optional MariaDB Cloud feature deploying MaxScale in active-active HA behind round-robin load balancing; available to Power Tier customers.
- [Support](https://mariadb.com/docs/mariadb-cloud/reference/support.md): MariaDB Cloud support tiers: Foundation includes standard P3/P4 SLA support, Power adds 24x7 S1 response, Problem Resolution support, and direct Engineering Support.