Please click here for our current API documentation: https://documenter.getpostman.com/view/1526052/SzYT4gRG?version=latest and API key can be found under the company settings for each location under Settings --> Company.
Calendar API: https://developers.gohighlevel.com/?fbclid=IwAR38heDN1xJiX1Q0ZEI8QIaxcg-pV3fc78XbSMVjyB1MA4nLM5FxXincipk