The description of the flow can be found here: https://docs.sumsub.com/reference/get-started-with-api

Such actions are presented below:

#1 Authorization https://docs.sumsub.com/reference/authentication

#2 Creating an applicant https://docs.sumsub.com/reference/create-applicant

#3 Adding a document to the applicant https://docs.sumsub.com/reference/add-id-documents

#4 Getting applicant status https://docs.sumsub.com/reference/get-applicant-verification-steps-status

#5 Getting applicant data https://docs.sumsub.com/reference/get-applicant-data

#6 Generating an access token https://docs.sumsub.com/reference/generate-access-token