# Backend API - [Backend API 18.1.0](https://docs.keeper.io/release-notes/backend/backend-api/backend-api-18.1.0.md): Released on May 18, 2026 - [Backend API 18.0.0](https://docs.keeper.io/release-notes/backend/backend-api/backend-api-18.0.0.md): Released on May 6, 2026 - [Backend API 17.7.3](https://docs.keeper.io/release-notes/backend/backend-api/backend-api-17.7.3.md): Released on April 6, 2026 - [Backend API 17.7.3](https://docs.keeper.io/release-notes/backend/backend-api/backend-api-17.7.3-1.md): Released on April 2, 2026 - [Backend API 17.7.0](https://docs.keeper.io/release-notes/backend/backend-api/backend-api-17.7.0.md): Released on April 1, 2026 - [Backend API 17.6.8](https://docs.keeper.io/release-notes/backend/backend-api/backend-api-17.6.8.md): Released March 5, 2026 - [Backend API 17.6.7](https://docs.keeper.io/release-notes/backend/backend-api/backend-api-17.6.7.md): Released on February 28, 2026 - [Backend API 17.6.5](https://docs.keeper.io/release-notes/backend/backend-api/backend-api-17.6.5.md): Released on January 15, 2026 - [Backend API 17.6.3](https://docs.keeper.io/release-notes/backend/backend-api/backend-api-17.6.3.md): Released on December 8, 2025 - [Backend API 17.6.1](https://docs.keeper.io/release-notes/backend/backend-api/backend-api-17.6.1.md): Released on November 11, 2025 - [Backend API 17.6.0](https://docs.keeper.io/release-notes/backend/backend-api/backend-api-17.6.0.md): Released on September 30, 2025 - [Backend API 17.5.10](https://docs.keeper.io/release-notes/backend/backend-api/backend-api-17.5.10.md): Released on June 25, 2025 - [Backend API 17.5.9](https://docs.keeper.io/release-notes/backend/backend-api/backend-api-17.5.9.md): Released on Aug 18, 2025 - [Backend API 17.5.8](https://docs.keeper.io/release-notes/backend/backend-api/backend-api-17.5.8.md): Released on July 28, 2025 - [Backend API 17.5.6](https://docs.keeper.io/release-notes/backend/backend-api/backend-api-17.5.6.md): Released on July 22, 2025 - [Backend API 17.5.1](https://docs.keeper.io/release-notes/backend/backend-api/backend-api-17.5.1.md): Released on June 10, 2025 - [Backend API 17.5.0](https://docs.keeper.io/release-notes/backend/backend-api/backend-api-17.5.0.md): Released on May 18, 2025 - [Backend API 17.4](https://docs.keeper.io/release-notes/backend/backend-api/backend-api-17.4.md): Released on April 8, 2025 - [Backend API 17.3.5](https://docs.keeper.io/release-notes/backend/backend-api/backend-api-17.3.5.md): Released on March 25, 2025 - [Backend API 17.3.2](https://docs.keeper.io/release-notes/backend/backend-api/backend-api-17.3.2.md): Released on Feb 14, 2025 - [Backend API 17.3.1](https://docs.keeper.io/release-notes/backend/backend-api/backend-api-17.3.1.md): Released on Feb 13, 2025 - [Backend API 17.3](https://docs.keeper.io/release-notes/backend/backend-api/backend-api-17.3.md): Release on Feb 4, 2025 - [Backend API 17.2](https://docs.keeper.io/release-notes/backend/backend-api/backend-api-17.2.md): Released on December 20, 2024 - [Backend API 17.1](https://docs.keeper.io/release-notes/backend/backend-api/backend-api-17.1.md): Released on October 25, 2024 - [Backend API 16.12](https://docs.keeper.io/release-notes/backend/backend-api/backend-api-16.12.md): Released on March 5, 2024 - [Backend API 16.11](https://docs.keeper.io/release-notes/backend/backend-api/backend-api-16.11.md): Released on January 10, 2024 - [Backend API 16.10](https://docs.keeper.io/release-notes/backend/backend-api/backend-api-16.10.md): Released on July 27, 2023 - [Backend API 16.9.14](https://docs.keeper.io/release-notes/backend/backend-api/backend-api-16.9.14.md): Released on June 29, 2023 - [Backend API 16.9.13](https://docs.keeper.io/release-notes/backend/backend-api/backend-api-16.9.13.md): Released on June 23, 2023 - [Backend API 16.9.12](https://docs.keeper.io/release-notes/backend/backend-api/backend-api-16.9.12.md): Released on June 13, 2023 - [Backend API 16.9.11](https://docs.keeper.io/release-notes/backend/backend-api/backend-api-16.9.11.md): Released June 08, 2023 - [Backend API 16.9.10](https://docs.keeper.io/release-notes/backend/backend-api/backend-api-16.9.10.md): Released on June 05, 2023 - [Backend API 16.9.9](https://docs.keeper.io/release-notes/backend/backend-api/backend-api-16.9.9.md): Released on May 30, 2023 - [Older](https://docs.keeper.io/release-notes/backend/backend-api/older.md): Releases notes older than last 10 releases - [Backend API Version 16.0.0](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-16.0.0.md): Release ETA March 15, 2021 - [Backend API Version 15.2.0](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-15.2.0.md): Estimated Release Date: January 22, 2021 - [Backend API Version 15.1.1](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-15.1.1.md): Estimated Released Date: December 29, 2020 - [Backend API Version 15.1.0](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-15.1.0.md): Released on December 21, 2020 - [Backend API Version 15.0.32](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-15.0.32.md): Estimated Release Date November 20, 2020 - [Backend API Version 15.0.31](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-15.0.31.md): Released on November 13, 2020 - [Backend API Version 15.0.30](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-15.0.30.md): Expected Release Date: October 30, 2020 - [Backend API Version 15.0.29](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-15.0.29.md): Released October 21, 2020 - [Backend API Version 15.0.28](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-15.0.28.md): Release ETA October 16, 2020 - [Backend API Version 15.0.27](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-15.0.27.md): Released October 12, 2020 - [Backend API Version 15.0.26](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-15.0.26.md): Released October 12, 2020 - [Backend API Version 15.0.25](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-15.0.25.md): Released October 10, 2020 - [Backend API Version 15.0.24](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-15.0.24.md): Released October 7, 2020 - [Backend API Version 15.0.23](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-15.0.23.md): Released October 6, 2020 - [Backend API Version 15.0.22](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-15.0.22.md): Released October 1, 2020 - [Backend API Version 15.0.21](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-15.0.21.md): Released September 29, 2020 - [Backend API Version 15.0.20](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-15.0.20.md): Released September 22, 2020 - [Backend API Version 15.0.19](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-15.0.19.md): Released September 18, 2020 - [Backend API Version 15.0.18](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-15.0.18.md): Released September 18, 2020 - [Backend API Version 15.0.17](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-15.0.17.md): Released September 12, 2020 - [Backend API Version 15.0.16](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-15.0.16.md): Released September 12, 2020 - [Backend API Version 15.0.15](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-15.0.15.md): Released September 11, 2020 - [Backend API Version 15.0.14](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-15.0.14.md): Released September 6, 2020 - [Backend API Version 15.0.12](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-15.0.12.md): Released September 5, 2020 - [Backend API Version 15.0.11](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-15.0.11.md): Released September 4, 2020 - [Backend API Version 15.0.10](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-15.0.10.md): Released September 3, 2020 - [Backend API Version 15.0.9](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-15.0.9.md): ETA for release: Sept 8, 2020 - [Backend API Version 15.0.7](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-15.0.7.md): Released on August 13, 2020 - [Backend API Version 14.12.6](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-14.12.6.md): Released May 15 & July 2, 2020 - [Backend API Version 14.12.5](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-14.12.5.md): Released May 15, 2020 - [Backend API Version 14.12.1](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-14.12.1.md): Released April 24 & 27, 2020 - [Backend API Version 14.12.0](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-14.12.0.md): Released April 24, 2020 - [Backend API Version 14.11.0](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-14.11.0-14.11.1.md): Released March 30, 2020 - [Backend API Version 14.10.0](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-14.10.0-14.10.1.md): Released February 14 & 28, 2020 - [Backend API Version 14.9.12](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-14.9.12-14.9.13.md): Released February 3, 2020 - [Backend API Version 14.9.0](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-14.9.0-14.9.11.md): Released November 28, 2019 | December 13, 21 & 23, 2019 | January 2 & 27, 2020 - [Backend API Version 14.8.2](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-14.8.2.md): Released November 15, 2020 - [Backend API Version 14.8.1](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-14.8.1.md): Released November 1, 2019 - [Backend API Version 14.7.16](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-14.7.16.md): Released November 1, 2019 - [Backend API Version 14.7.11](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-14.7.11.md): Released on September 21, 2019 - [Backend API Version 14.7.10](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-14.7.10.md): Released on September 15, 2019 - [Backend API Version 14.7.9](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-14.7.9.md): Released on August 16, 2019 - [Backend API Version 14.7.8](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-14.7.8.md): Released on Aug 16, 2019 - [Backend API Version 14.7.7](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-14.7.7.md): Released on Aug 9, 2019 - [Backend API Version 14.7.6](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-14.7.6.md): Released on August 6, 2019 @ 7PM PST - [Backend API Version 14.7.4](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-14.7.4.md): Released on August 2, 2019 - [Backend API Version 14.7.0](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-14.7.0.md): Released on July 25, 2019 - [Backend API Version 14.6.0](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-14.6.0.md): Released July 2, 2019 - [Backend API Version 14.5.2](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-14.5.2.md): Released on May 6, 2019 - [Backend API Version 14.5.0](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-14.5.0.md): Released on April 23, 2019 - [Backend API Version 14.4.0](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-14.4.0.md): Released on March 14, 2019 - [Backend API Version 14.3.0](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-14.3.0.md): Released January 25, 2019. - [Backend API Version 14.2.0](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-14.2.0.md): Released December 27, 2018. - [Backend API Version 15.1.2](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-15.1.2.md): Released December 31, 2020 - [Backend API Version 15.2.2](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-15.2.2.md): Released February 15, 2021 - [Backend API Version 15.2.4](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-15.2.4.md): Released on March 2, 2021 - [Backend API Version 16.0.2](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-16.0.2.md): Release ETA April 12, 2021 - [Backend API Version 16.0.4](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-16.0.4.md): Released May 10, 2021 - [Backend API Version 16.0.6](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-16.0.6.md): Released on May 19, 2021 - [Backend API Version 16.0.8](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-16.0.8.md): Released on Jun 25, 2021 - [Backend API Version 16.1.0](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-16.1.0.md): Released on Aug 9, 2021 - [Backend API Version 16.1.3](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-16.1.3.md): Released on Aug 31, 2021 - [Backend API Version 16.2.0](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-16.2.0.md): Released on Sep 16, 2021 - [Backend API Version 16.2.8](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-16.2.8.md): Released on Oct 18, 2021 - [Backend API Version 16.2.12](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-16.2.12.md): Release ETA Nov 12, 2021 - [Backend API Version 16.2.14](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-16.2.14.md): Released on Nov 17, 2021 - [Backend API Version 16.2.15](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-16.2.15.md): Released on Dec 8, 2021 - [Backend API Version 16.3.0](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-16.3.0.md): Released on Jan 6, 2022 - [Backend API Version 16.3.2](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-16.3.2.md): Released on Jan 25, 2022 - [Backend API Version 16.3.4](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-16.3.4.md): Released on Feb 23, 2022 - [Backend API Version 16.3.6](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-16.3.6.md): Released on Feb 25, 2022 - [Backend API Version 16.4](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-16.4.md): Released on April 4, 2022 - [Backend API Version 16.4.1](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-16.4.1.md): Released on April 8, 2022 - [Backend API Version 16.5.1](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-16.5.1.md): Released on May 2, 2022 - [Backend API Version 16.5.2](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-16.5.2.md): Released on May 11, 2022 - [Backend API Version 16.5.x](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-16.5.x.md): May and June 2022 Releases - [Backend API Version 16.6.x](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-16.6.x.md): Released Sept 2, 2022 - [Backend API Version 16.7.x](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-16.7.x.md): Released on Sept 10, 2022 - [Backend API Version 16.8.x](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-16.8.x.md): Released on Nov 23, 2022 - [Backend API Version 16.8.7](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-16.8.7.md): Released on Jan 20, 2023 - [Backend API Version 16.8.12](https://docs.keeper.io/release-notes/backend/backend-api/older/backend-api-version-16.8.12.md): Released on Feb 27, 2023 --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.keeper.io/release-notes/backend/backend-api.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.