Journeys Track API

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Our Track API provides ways to send real-time customer data to your Customer.io workspace.

Overview

You're looking at our US regional endpoints

The only difference in our US and European Union (EU) regions is the subdomain—track-eu for the EU region rather than just track; there are no other differences between the two regions. If your account is based in the European Union (EU) data center, click here to show EU endpoints in our code samples and documentation below. Note that if your account is in the EU region and you send traffic to our US endpoints, we'll redirect it accordingly but this traffic still passes through US servers and data could be logged in the US.

If you don't know your region, you can find your account region on your account's privacy page, or get your region using the API.

You're looking at our EU regional endpoints

The only difference in our US and European Union (EU) regions is the subdomain—track for our US region rather than track-eu; there are no other differences between the two regions. If your account is based in the European Union (EU) data center, you can click here to to show US endpoints in our code samples and documentation below.

Note that if your account is based in the United States (US) data center and you send requests to the EU region, your requests will fail. If you don't know your region, you can find your account region on your account's privacy page, or get your region using the API.

Customer.io hosts services in the United States (US) and European Union (EU, host subdomains are suffixed with -eu). Select the appropriate region for server addresses that apply to your region.

Host/ServerPurpose
https://track.customer.io/api/Use the Track API to report customer attributes and track customer events/activity. You cannot retrieve data using this API. Track endpoints support minimal validation to ensure as close to real-time processing as possible.

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