Customer.io App API

REST discovered

Details

URL: https://api.customer.io/v1
Docs: https://docs.customer.io/integrations/api/app/

Authentication

App API key bearer discovered Get token ↗

Authorization: Bearer <credential>

In Customer.io, go to Account Settings → API Credentials. Create or copy an App API key. Customer.io docs note that the App API uses bearer authorization, and transactional API setup pages direct you to create the App API key there.