Sendgrid plugin: cannot send json object


I am quite new on I would like to send a simple order confirmation with the list of products purchased in this order. To do this, here is what I have done:

I am blocked, I hope someone can help me. Maybe there is other solutions to achieve this goal, I am open to any suggestions. I guess many people already send an order confirmation with multiple products :slight_smile:

Thank you everyone.

I think that is the issue

image thank you for your reply at the beginning. I set also the subject like this in sendgrid but i have the same error message

@copilot could you help me to understand this error please. thank you very much.

Hi @edrigny,

Give us a shout at with what we need to know. :slight_smile: