API Add Subject Lines

I am trying to create a campaign and I need to know when I pass the subject line as a parameter. I don't see that option in this documentation https://developers.klaviyo.com/en/reference/create_campaign

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Best answer by Brian Turcotte

Hi @rcorzo!

Creating the campaign and setting the subject line will actually have to occur in two separate calls:

First, the creation of the campaign via the POST call, Create Campaign
Then, adjusting/setting the subject line via the PATCH call, Update Campaign Message:

Here’s another Community thread that deals with a similar question:

I hope this helps to clarify, and thanks for using the Community!
- Brian

Klaviyo Alum

Hi @rcorzo!

Creating the campaign and setting the subject line will actually have to occur in two separate calls:

First, the creation of the campaign via the POST call, Create Campaign
Then, adjusting/setting the subject line via the PATCH call, Update Campaign Message:

Here’s another Community thread that deals with a similar question:

I hope this helps to clarify, and thanks for using the Community!
- Brian

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