Sending data to Customer.io is easy and familiar for most developers. There are three ways we recommend to get started.
Customer.io supports a RESTful API for receiving your customer data. We also maintain libraries for several languages and list libraries graciously contributed by our customers.
There are 2 reasons to take a look at Segment:
If you’re using (or planning to use) other services alongside Customer.io like: Woopra, Optimizely, Kissmetrics, Mixpanel, Olark or Google Analytics, we recommend using Segment, a third party product to send your data to Customer.io. This will save you a meaningful amount of integration time and is fully supported by us.
We can help you backfill old data. Backfill old data