Sailthru is an email service provider (ESP) and marketing automation platform that enables publishers to personalize customer experiences across email and other channels. The Sailthru integration is a Destination integration that allows you to activate Permutive cohorts directly into Sailthru for use in email marketing campaigns and other marketing inventory.This integration is a Destination:
Destination: Permutive is able to send cohort memberships to Sailthru for targeting in email campaigns.
Use cases include:
Send Permutive cohorts to Sailthru to target users in email marketing campaigns
Use behavioral and demographic cohorts for personalized email experiences
Leverage Permutive’s first-party data for email targeting and segmentation
Sailthru Account - You must have Sailthru installed and configured on your website prior to enabling the Permutive integration.
Sailthru Cookie - The Sailthru cookie (sailthru_hid) must be present on your web properties for Permutive to collect the Sailthru user ID.
Sailthru API Credentials - You will need your Sailthru API credentials to configure the integration in the Permutive dashboard.
IP Whitelist - Depending on the type of API key, you may need to whitelist Permutive IPs within Sailthru for the integration to work. Contact Permutive to get the IP list.
In the Permutive dashboard, navigate to your workspace’s integrations page. Click Add Integration and select Sailthru.You will be asked to enter your Sailthru API credentials at this stage.
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Whitelist Permutive IPs in Sailthru (if required)
Depending on the type of API key, you may need to whitelist Permutive IPs within Sailthru for the integration to work. Contact Permutive to get the IP list.To whitelist the IPs in Sailthru, navigate to Settings → Setup → API & Postbacks in the Sailthru UI.
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Verify Setup
In the Permutive Dashboard, navigate to one of your cohorts. Check that the Sailthru activation sync is visible. You can try toggling this to On.Once enabled, Permutive will begin sending cohort membership updates to Sailthru in near real-time (typically within 10 seconds of a user entering or exiting a cohort).
No additional web-specific configuration is required. The Permutive Web SDK will automatically collect the Sailthru cookie ID (sailthru_hid) from your web properties once the integration is enabled.
The Sailthru integration activates cohort memberships to Sailthru. Permutive sends cohort membership data to Sailthru in the following format:
Cohort Membership Data
Permutive sends user cohort memberships to Sailthru by updating user profiles via the Sailthru API. The integration uses the Sailthru cookie ID (sailthru_hid) to identify users.
An array of Permutive cohort IDs that the user is a member of. This field is updated on the user’s Sailthru profile and can be used for targeting in Sailthru campaigns.
If cohort memberships are not appearing in Sailthru user profiles, verify the following:
Ensure the Sailthru cookie (sailthru_hid) is present on your web properties
Verify that Permutive’s fixed IP address has been added to your Sailthru allowlist
Check that the cohort activation toggle is enabled in the Permutive dashboard
Confirm that your Sailthru API credentials are correctly configured in the Permutive dashboard
Delay in cohort updates
Cohort membership updates are processed in near real-time, typically within 10 seconds of a user entering or exiting a cohort. If you’re experiencing significant delays:
Check the Permutive Events page to ensure events are being collected properly
Verify that the integration is enabled and properly configured
Contact Permutive Support if delays persist beyond expected timeframes
