Yes, sadly, this will also be deprecated.
Some alternatives already exist for the HTTPS Endpoints and Data API, which are more mature and fully integrated with MongoDB. AWS Lambda, Azure Functions and Google Cloud Functions, amongst others, offer various full-featured serverless functions that can integrate with your MongoDB instances. You can find more at https://www.mongodb.com/docs/atlas/app-services/data-api/data-api-deprecation/.
I will close this thread, but you can pursue the conversation here if you have more questions.