Link to 1 second SRTM Digital Elevation Model...

Link to 1 second SRTM Digital Elevation Model - Hydrologically Enforced web coverage service

Source

This data file or API can be downloaded from:

https://services.ga.gov.au/gis/services/DEM_SRTM_1Second_Hydro_Enforced_2024/MapServer/WCSServer?request=GetCapabilities&service=WCS