AWS releases ExtendDB, an open-source DynamoDB API adapter
AWS has launched ExtendDB, an open-source project implementing the DynamoDB API with pluggable storage backends. This allows developers to use the DynamoDB programming model in environments outside of AWS, such as on-premises or developer laptops, without code rewrites. The initial release supports PostgreSQL as a backend and is available under the Apache 2.0 license, inviting community contributions. ExtendDB is beneficial for local development, testing, and deploying DynamoDB-compatible workloads in diverse environments.
- →ExtendDB provides DynamoDB API compatibility with pluggable backends
- →Enables DynamoDB workloads on developer laptops, on-premises, and edge sites
- →Facilitates high-fidelity local development and testing
Features (2) ›
- ExtendDB provides DynamoDB API compatibility with pluggable backends
ExtendDB, an open-source project from AWS, implements the Amazon DynamoDB API, allowing developers to use the familiar programming model in environments where the managed DynamoDB service is not available. It supports pluggable storage backends, with PostgreSQL offered at launch.
- Enables DynamoDB workloads on developer laptops, on-premises, and edge sites
This adapter allows applications to run with the DynamoDB programming model on developer laptops, in on-premises data centers, and at disconnected edge sites without requiring application code rewrites. It supports both control plane and data plane APIs.
Enhancements (1) ›
- Facilitates high-fidelity local development and testing
Developers can leverage ExtendDB for high-fidelity local development and continuous integration testing, ensuring consistency between local environments and cloud deployments. It enables DynamoDB-shaped workloads to run on-premises backed by supported databases.
https://aws.amazon.com/about-aws/whats-new/2026/05/aws-extenddb-dynamodb/
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