Examples of signing requests using Sumsub authorization with App Tokens
https://docs.sumsub.com/reference/authentication
Please make sure to put your App Token and Secret Key at collection variables.
This repository contains some of the main Sum&Substance API methods. Please share your feedback and suggestions using Telegram chat, dashboard livechat or email.
Unfortunately, there is no proper way to sign form-data within Postman pre-request scripts. Please check out code examples for more details.