curl --location --request POST 'https://www.amazon.com/ap/oa/' \
--data-urlencode 'grant_type=authorization_code' \
--data-urlencode 'code=' \
--data-urlencode 'redirect_uri={{redirect_uri}}' \
--data-urlencode 'client_id={{client_id}}' \
--data-urlencode 'client_secret={{client_secret}}'
{}