unauthorized response.to. We recommand using mjml and test it well (especially for Microsoft's products on Windows).For the platform's flow, the header x-omerlo-media-idis not required.
curl --location --request POST 'https/omerlo.com/api/media/v1/mail/send?context=platform&to=example@acme.com&subject=Hello' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: text/html' \
--data-raw '<H1>Hello world</H1>'{
"error": "invalid_token",
"error_description": "Token missing scope: application"
}