Hi @rrical.
Have you received an email from our team with your API key and secret and UI login credentials? Post you get the API key and secret, you can use this link to register to our developer portal - https://developers.refinitiv.com/en/register and access our postman collection. In case you have not received any mail please revert back with your company's name and I'll check internally. Thank you.
Regards,
Ssneha Balasubramanian.