A note on CREST rate limits
Just a heads up. The rate limit for public CREST was previously increased, and all the market details are available there. If you are currently scraping market details from authed CREST I would ask that you start doing it from public CREST instead. Public CREST should be faster and fail less often due to how we load balance the requests. Additionally, authed CREST will have its rate limit reduced in the next few weeks.
Public CREST rate limit: 150 requests a second
Authed CREST rate limit (to be implemented in a few weeks): 20 requests a second
Any questions, let us know,