curl --location --request POST 'https://supplier-api-base-url/connect/token' \
--header 'Content-Type: application/x-www-form-urlencoded' \
--data-urlencode 'client_id=PROVIDED_CLIENT_ID' \
--data-urlencode 'client_secret=PROVIDED_CLIENT_SECRET' \
--data-urlencode 'grant_type=client_credentials'