Connect Klaviyo to OneSignal (REST API)
Automate workflows between Klaviyo and OneSignal (REST API). No coding required.
What you can automate between Klaviyo and OneSignal (REST API)
These are the most popular automations teams set up between Klaviyo and OneSignal (REST API). Each one runs automatically once activated — no manual steps.
Create contact when new subscriber
Add a new contact to your CRM automatically when when someone joins your mailing list.
Add subscriber when new contact created
Add someone to your mailing list automatically when when a new contact is added to your crm.
Sync Klaviyo changes to OneSignal (REST API)
Keep OneSignal (REST API) updated when when a recipient opens your email.
What syncs between Klaviyo and OneSignal (REST API)
Contact and deal data from Klaviyo syncs to OneSignal (REST API) for targeted campaigns. Segment by deal stage, contact type, or custom fields.
Data from Klaviyo
- Campaign data
- Subscriber lists
- Email opens / clicks
- Audience segments
- Tags
Data from OneSignal (REST API)
- Contacts
- Deals / opportunities
- Pipeline stages
- Notes
- Custom fields
How to connect Klaviyo to OneSignal (REST API)
Follow these steps to set up your integration. The entire process takes under 5 minutes.
What you'll need
- An active Klaviyo account
- An active OneSignal (REST API) account with API access enabled
- A free Arahi AI account (sign up takes 30 seconds)
- Admin or API access in OneSignal (REST API) to authorize the connection
Create your Arahi AI account
Sign up at app.arahi.ai — it's free and takes 30 seconds. No credit card required. You'll land on the dashboard where you can create your first workflow.
Authenticate Klaviyo
Click "Add Connection" and select Klaviyo from the app directory. You'll be redirected to Klaviyo's authorization page. Grant Arahi access to your campaigns, audiences, and analytics data. You control which lists and campaigns the integration can modify.
Authenticate OneSignal (REST API)
Same process for OneSignal (REST API). Click "Add Connection," select OneSignal (REST API), and authorize access. Grant Arahi read/write access to your contacts, deals, and pipeline data. You choose which objects the integration can access.
Choose your trigger
Select what event starts the workflow. For this integration, popular triggers include: new subscriber in klaviyo or new contact created in onesignal (rest api). The trigger fires automatically whenever that event happens — no manual intervention.
Configure the action
Define what happens when the trigger fires. For example: create contact in onesignal (rest api). Map the data fields between Klaviyo and OneSignal (REST API) so the right information lands in the right place.
Test and activate
Run a test to confirm data flows correctly between Klaviyo and OneSignal (REST API). Check that the fields map as expected, then toggle the workflow on. It runs 24/7 from here — Arahi handles retries, error logging, and monitoring automatically.
Why connect Klaviyo and OneSignal (REST API)?
Sales and marketing alignment starts with shared data. When OneSignal (REST API) contacts and deal stages sync to Klaviyo automatically, campaigns target the right people at the right time.
Tips for your Klaviyo + OneSignal (REST API) integration
Get more out of this integration with these best practices.
Who uses the Klaviyo + OneSignal (REST API) integration?
Teams across industries connect Klaviyo and OneSignal (REST API) to streamline their workflows.
Marketing managers running campaigns who rely on OneSignal (REST API) for crm
Sales teams who need real-time data from Klaviyo
Growth teams and sales teams collaborating across tools
Frequently asked questions
Everything you need to know about connecting Klaviyo and OneSignal (REST API).
How do I connect Klaviyo to OneSignal (REST API)?
Sign up for a free Arahi AI account, then click "Add Connection" to authenticate both Klaviyo and OneSignal (REST API) via OAuth. Choose a workflow template — like syncing marketing events to crm actions — customize the field mapping, and activate. The entire setup takes under 5 minutes.
What can I automate between Klaviyo and OneSignal (REST API)?
Common workflows include: sync OneSignal (REST API) contacts to Klaviyo email lists, trigger Klaviyo nurture sequences on OneSignal (REST API) deal stage changes, update OneSignal (REST API) lead scores from Klaviyo engagement data, and segment Klaviyo audiences by OneSignal (REST API) deal properties.
Is the Klaviyo and OneSignal (REST API) integration free?
Arahi AI includes 100 free actions per month on the Starter plan — enough for most small teams. If your Klaviyo-to-OneSignal (REST API) workflows need more volume, paid plans start at $29/month with unlimited workflows and priority execution.
Is my Klaviyo data secure when connected to OneSignal (REST API)?
Yes. Arahi uses OAuth 2.0 for authentication — we never store your Klaviyo or OneSignal (REST API) passwords. All data is encrypted in transit (TLS 1.3) and at rest (AES-256). Your marketing data is only accessed when a workflow runs, and you can revoke access at any time from your Arahi dashboard.
Can I sync data both ways between Klaviyo and OneSignal (REST API)?
Yes. You can set up workflows that trigger from either Klaviyo or OneSignal (REST API). For example, create a workflow where Klaviyo events update OneSignal (REST API), and a separate one where OneSignal (REST API) changes sync back to Klaviyo. Each direction is configured independently so you have full control.
Do I need technical skills to connect Klaviyo and OneSignal (REST API)?
No coding is required. Arahi's visual workflow builder lets you configure triggers, actions, and field mapping with clicks. If you can use Klaviyo and OneSignal (REST API), you can set up the integration. Most users are running their first workflow within 10 minutes.
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