URI: https://data.mixpanel.com/api/2.0/export/

https://mixpanel.com/docs/api-documentation/exporting-raw-data-you-inserted-into-mixpanel

to exporting raw data you inserted into Mixpanel we need to use the endpoint 'https://data.mixpanel.com/api/2.0/export/'
instead of https://mixpanel.com/api/2.0/