How can I retrieve sensor data between 2 dates?

To get a single sensors values from startDate to endDate make a GET request to

https://api.30mhz.com/api/stats/check/{checkId}/from/{startDate}/until/{endDate}

Swagger documentation

To get multiple sensors values from startDate to endDate make a POST request to

https://api.30mhz.com/api/stats/check/{checkId}/from/{startDate}/until/{endDate}

Swagger documentation