Current release

Release Notes (1.2.0) : Released 18 June 2026

• Text in error response JSON message and details has been updated.
• Incorrect HTTP methods now return HTTP status 405 (Method Not Allowed) with an allow header containing the supported methods. For example, sending a GET to at-many-points which is POST only.
• at-point GET responses include a cache-control header.
• Deprecated token property in the at-many-points POST body. The preferred approach is to use the authorization header with the Bearer scheme. For more information see HTTP authorization headers.

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Release Notes (1.1.0) : Released 18 August 2025

• Vertical coordinate system WKID added to returned spatial reference property.
• All elevation values now provided with 10cm precision.
• Internal changes to improve stability and response times of the service.

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Release Notes (1.0.0) : Released 26 February 2025

This is the first public release of the Elevation service.