Connect Customer.io to OneSignal (REST API)

Automate workflows between Customer.io and OneSignal (REST API). No coding required.

What you can automate between Customer.io and OneSignal (REST API)

  • Create contact when new subscriber

    Add a new contact to your CRM automatically when someone joins your mailing list.

    Trigger
    New subscriber in Customer.io
    Action
    Create contact in OneSignal (REST API)

  • Add subscriber when new contact created

    Add someone to your mailing list automatically when a new contact is added to your crm.

    Trigger
    New contact created in OneSignal (REST API)
    Action
    Add subscriber in Customer.io

  • Sync Customer.io changes to OneSignal (REST API)

    Keep OneSignal (REST API) updated when a recipient opens your email.

    Trigger
    Email opened in Customer.io
    Action
    Update contact in OneSignal (REST API)

What syncs between Customer.io and OneSignal (REST API)

Contact and deal data from Customer.io syncs to OneSignal (REST API) for targeted campaigns. Segment by deal stage, contact type, or custom fields.

From Customer.io

  • Campaign data
  • Subscriber lists
  • Email opens / clicks
  • Audience segments
  • Tags

To OneSignal (REST API)

  • Contacts
  • Deals / opportunities
  • Pipeline stages
  • Notes
  • Custom fields

How to connect Customer.io to OneSignal (REST API)

What you'll need

  • An active Customer.io 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

  1. Create your Arahi AI account

    Sign up at app.arahi.ai — it takes 30 seconds and starts a 7-day free trial.

  2. Authenticate Customer.io

    Grant Arahi access to your campaigns, audiences, and analytics data. You control which lists and campaigns the integration can modify.

  3. Authenticate OneSignal (REST API)

    Grant Arahi read/write access to your contacts, deals, and pipeline data. You choose which objects the integration can access.

  4. Choose your trigger

    Select the event that starts your workflow. Popular triggers include: new subscriber in customer.io or new contact created in onesignal (rest api).

  5. Configure the action

    Define what happens when the trigger fires — for example, create contact in onesignal (rest api). Map the data fields between Customer.io and OneSignal (REST API).

  6. Test and activate

    Run a test to confirm data flows correctly between Customer.io and OneSignal (REST API), then toggle the workflow on. It runs 24/7 with automatic retries and error monitoring.

Why connect Customer.io and OneSignal (REST API)?

Sales and marketing alignment starts with shared data. When OneSignal (REST API) contacts and deal stages sync to Customer.io automatically, campaigns target the right people at the right time.

  • Sync OneSignal (REST API) contacts to Customer.io lists so campaigns always target the right people
  • Trigger Customer.io nurture sequences when OneSignal (REST API) deals stall or enter a new stage
  • Enrich OneSignal (REST API) records with Customer.io engagement data like opens and clicks
  • Align sales and marketing by keeping OneSignal (REST API) and Customer.io data in sync

Tips for your Customer.io + OneSignal (REST API) integration

  • Sync subscriber tags to keep segmentation consistent across tools
  • Map your custom fields during setup so data lands in the right place
  • Trigger workflows from campaign events like opens or clicks for timely follow-up
  • Use deal stage changes as triggers for the most impactful automations

Who uses the Customer.io + OneSignal (REST API) integration?

  • Marketing managers running campaigns who rely on OneSignal (REST API) for crm
  • Sales teams who need real-time data from Customer.io
  • Growth teams and sales teams collaborating across tools

Frequently asked questions

How do I connect Customer.io to OneSignal (REST API)?
Sign up for a free Arahi AI account, then click "Add Connection" to authenticate both Customer.io 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 Customer.io and OneSignal (REST API)?
Common workflows include: sync OneSignal (REST API) contacts to Customer.io email lists, trigger Customer.io nurture sequences on OneSignal (REST API) deal stage changes, update OneSignal (REST API) lead scores from Customer.io engagement data, and segment Customer.io audiences by OneSignal (REST API) deal properties.
Is the Customer.io 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 Customer.io-to-OneSignal (REST API) workflows need more volume, paid plans start at $49/month with unlimited workflows and priority execution.
Is my Customer.io data secure when connected to OneSignal (REST API)?
Yes. Arahi uses OAuth 2.0 for authentication — we never store your Customer.io 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 Customer.io and OneSignal (REST API)?
Yes. You can set up workflows that trigger from either Customer.io or OneSignal (REST API). For example, create a workflow where Customer.io events update OneSignal (REST API), and a separate one where OneSignal (REST API) changes sync back to Customer.io. Each direction is configured independently so you have full control.
Do I need technical skills to connect Customer.io 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 Customer.io and OneSignal (REST API), you can set up the integration. Most users are running their first workflow within 10 minutes.

Similar integrations