I got an error while sending email using "Single-send" API


I’m getting this error while sending an email using template in single send API in development environment, Please help how can I test this API in dev environment.

“status”: “error”,
“message”: “This hapikey (3c0a97f9-8fdc-xxxxxx-xxxxx-xxxxxxxxxxx) does not have proper permissions! (requires any of [transactional-email, transactional-email-api])”,
“correlationId”: “1d564def-75a2-4845-b839-aecc85d27874”,
“requestId”: “95359a1ada96a87340e1e4b5ee548505”


Hi @rajat.rana

If you’re working with a test portal, test portals don’t currently support email or transactional email sending. Only your subscription portal with the transactional add on will have access to the transactional API.