Help Center/ Bare Metal Server/ API Reference/ Historical APIs/ API Instructions (OpenStack Nova APIs)

Updated on 2025-10-16 GMT+08:00

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API Instructions (OpenStack Nova APIs)

For details about network service APIs, see Virtual Private Cloud API Reference.
For the native OpenStack APIs not provided in this document (such as the API used to attach EVS disks to a BMS), use the native OpenStack APIs of ECS. For details, see Elastic Cloud Server API Reference.
To support function extension, Nova APIs can be distinguished by version. There are two types of versions:
- Major version: independent URL
- Microversion: Used by the HTTP request header X-OpenStack-Nova-API-Version. Since microversion 2.27, the new microversion header OpenStack-API-Version has been supported.

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