I have created an app to track my two kids badminton practice summary, I would like to integrate any low cost fitness band data to be integrated

How do we integrate fitness band data, do some specific bands have direct integration please suggest so i can consider buying that.

Some brands may offer API features. Do you use any brand at the moment?

Currently not using any at the moment, but if you can sugest any brand which is able to in integrate easily with glide it will helpful.

Examples of Fitness APIs: