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This article lists the current and past versions of the Search REST APIs for Azure AI Search.
Versioned API docs
REST API docs are now versioned. When you open an API reference page, a version selector appears above the table of contents. The selector becomes available when you choose a page from the Reference > Data Plane folder.
Stable versions
| API version | OpenAPI specification |
|---|---|
2025-09-01 (latest) |
Specification |
2024-07-01 |
Specification |
2023-11-01 |
Specification |
2020-06-30 |
Specification |
2019-05-06 |
Specification |
Preview versions
All new features are introduced in preview APIs before transitioning to a stable version. Preview APIs are available under Supplemental Terms of Use for Microsoft Azure Previews.
| API version | OpenAPI specification |
|---|---|
2025-11-01-preview (latest) |
Specification |
2025-08-01-preview |
Specification |
2025-05-01-preview |
Specification |
2025-03-01-preview |
Specification |
2024-11-01-preview |
Specification |
2024-09-01-preview |
Specification |
2024-05-01-preview |
Specification |
2024-03-01-preview |
Specification |
2023-10-01-preview |
Specification |
2023-07-01-preview (deprecated) |
Specification |
2021-04-30-preview |
Specification |
2020-06-30-preview |
Specification |
2019-05-06-preview |
Specification |
Next step
Learn about the features and functionality released in each API version: