POST /api/campaign-recipient-estimation-jobs
Trigger an asynchronous job to update the estimated number of recipients
for the given campaign ID. Use the Get Campaign Recipient Estimation Job endpoint to retrieve the status of this estimation job. Use the
Get Campaign Recipient Estimation endpoint to retrieve the estimated
recipient count for a given campaign.
Rate limits:
Burst: 10/s
Steady: 150/m
Scopes:
campaigns:write
OpenAPI Spec
Servers
- https://a.klaviyo.com
Request headers
| Name | Type | Required | Description |
|---|---|---|---|
revision |
String | Yes |
API endpoint revision (format: YYYY-MM-DD[.suffix]) Default value: "2026-04-15" |
Query parameters
| Name | Type | Required | Description |
|---|---|---|---|
fields[campaign-recipient-estimation-job][] |
Array | No |
For more information please visit https://developers.klaviyo.com/en/v2026-04-15/reference/api-overview#sparse-fieldsets |
How to start integrating
- Add HTTP Task to your workflow definition.
- Search for the API you want to integrate with and click on the name.
- This loads the API reference documentation and prepares the Http request settings.
- Click Test request to test run your request to the API and see the API's response.