Hi Trey
As per error trace, you might have used Computer Vision 2023-02-01-preview version in your Api calls which has been retired on March 31 as per this document
https://azure.microsoft.com/en-us/updates?id=475779
It should not mention about 2023-02-01-preview version if we are using image anlaysis urls correctly.
POST /imageanalysis:analyze?features={features}&language={language}&model-version={model-version}&smartcrops-aspect-ratios={smartcrops-aspect-ratios}&gender-neutral-caption={gender-neutral-caption}&api-version=2024-02-01
Reference on image analysis image rest api
Below were tested commands test for my trial in CMD
Supported Region :East US, West US, France Central, North Europe, West Europe, Southeast Asia, East Asia, Korea Central
curl.exe -H "Ocp-Apim-Subscription-Key: <apikey>" -H "Content-Type: application/json" "https://<yourcomputervisionresource>.cognitiveservices.azure.com/computervision/imageanalysis:analyze?features=caption,read&model-version=latest&language=en&api-version=2024-02-01" -d "{'url':'https://learn.microsoft.com/azure/ai-services/computer-vision/media/quickstarts/presentation.png'}"
Hope it helps.
Thank you.