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API Reference
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Create Campaign

post
https://a.klaviyo.com/api/campaigns

Create a campaign with inline audiences, messages, and variations.

Rate limits:
Burst: 10/s
Steady: 150/m

Scopes:
campaigns:write

OpenAPI Spec

Query Params
fields[campaign]
array of strings

For more information please visit https://developers.klaviyo.com/en/v2026-10-15/reference/api-overview#sparse-fieldsets

fields[campaign]
Body Params

Create an omnicampaign with inline audiences, messages, and variations.

data
object
required
Headers
string
required
Defaults to 2026-10-15

API endpoint revision (format: YYYY-MM-DD[.suffix])

Responses

Updated 1 day ago

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