Can I use the OSTDB data? License and API
The OSTDB data is open under CC BY-NC-SA 4.0:
Attribution: credit OSTDB (https://ostdb.net).
Non-commercial: commercial use needs our permission. Email us.
Share-alike: derived data must be shared under the same license.
There is a free, read-only JSON API with no key: https://ostdb.net/api. The dataset is also on Hugging Face (https://huggingface.co/datasets/metjum/ostdb) and the source data is on GitHub (https://github.com/OSTDB/soundtracks).