# Customer.io Track API

**Canonical:** https://apis.io/apis/customer-io/track-api/  
**Provider:** Customer.io — https://apis.io/providers/customer-io/  
**Base URL:** https://track.customer.io  
**Documentation:** https://docs.customer.io/integrations/api/track/

Customer.io Track API is one of 27 APIs that [Customer.io](https://apis.io/providers/customer-io/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Behavioral Data, Customer Data, Event Tracking, Marketing Automation, and Messaging. The published artifact set on APIs.io includes API documentation and an OpenAPI specification.

The Customer.io Track API allows developers to send behavioral data and customer profile information into Customer.io. It provides endpoints for identifying customers, tracking events, managing devices for push notifications, and sending anonymous events. The API uses basic authentication with a Site ID and API key, and accepts JSON request bodies.

## Machine-readable artifacts (4)

- **Documentation** — https://docs.customer.io/integrations/api/track/
- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/customer-io/refs/heads/main/openapi/customer-io-track-api-openapi.yml
- **GraphQL** — https://raw.githubusercontent.com/api-evangelist/customer-io/refs/heads/main/graphql/customer-io-graphql.md
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/customer-io/refs/heads/main/apis.yml

## Other Customer.io APIs (12)

- [Customer.io Activities API](https://apis.io/apis/customer-io/customer-io-activities-api/)
- [Customer.io Alias API](https://apis.io/apis/customer-io/customer-io-alias-api/)
- [Customer.io Batch API](https://apis.io/apis/customer-io/customer-io-batch-api/)
- [Customer.io Broadcasts API](https://apis.io/apis/customer-io/customer-io-broadcasts-api/)
- [Customer.io Campaigns API](https://apis.io/apis/customer-io/customer-io-campaigns-api/)
- [Customer.io Collections API](https://apis.io/apis/customer-io/customer-io-collections-api/)
- [Customer.io Customers API](https://apis.io/apis/customer-io/customer-io-customers-api/)
- [Customer.io Devices API](https://apis.io/apis/customer-io/customer-io-devices-api/)
- [Customer.io Entity API](https://apis.io/apis/customer-io/customer-io-entity-api/)
- [Customer.io Events API](https://apis.io/apis/customer-io/customer-io-events-api/)
- [Customer.io Exports API](https://apis.io/apis/customer-io/customer-io-exports-api/)
- [Customer.io Group API](https://apis.io/apis/customer-io/customer-io-group-api/)

## Tags

Behavioral Data, Customer Data, Event Tracking, Marketing Automation, Messaging

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/customer-io/track-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/customer-io/.