8 replies

resend not working in internalMutation

I had a problem where I wasn't able to send emails with Resend.

My API key was configured, my resend domain was verified and magic link email were working fine
(after setting the

from

from

param). But when I tried to send emails at runtime

resend.emails.send()

resend.emails.send()

would give the error

{
  name: 'application_error',
  message: 'Unable to fetch data. The request could not be resolved.'
}

{
  name: 'application_error',
  message: 'Unable to fetch data. The request could not be resolved.'
}

After a long time debugging I found out that my problem was that I was trying to send emails from an

internalMutation

internalMutation

. I switched to

internalAction

internalAction

and all immediately worked.

Could someone please explain the reason for this?

I also read the docs extensively but I hadn't found or anticipated that this would happen

resend not working in internalMutation

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