D1

United States jurisdiction

You can create D1 databases with the us jurisdiction. These databases run and persist data within the United States.

D1 enforces free tier daily query limits

Beginning September 1, 2026, D1 queries on the Workers Free plan will fail when an account exceeds the daily row read or row write limits. Queries via the Workers Binding API and the REST API will return errors until the limit resets at midnight UTC. Stored data is not affected.

Billable usage and budget alerts now in product sidebars

Pay-as-you-go customers can now view billable usage and create budget alerts directly from the product overview pages for Workers & Pages, D1, R2, Workers KV, Queues, Vectorize, Durable Objects, and Containers.

D1 migrations support nested layouts via `migrations_pattern`

You can now point wrangler d1 migrations apply at a nested migrations layout — such as the one produced by Drizzle ( migrations/0001_init/migration.sql ) — using the new migrations_pattern D1 binding config: