What is a Customer Data Platform (CDP)?

A Customer Data Platform, abbreviated CDP, is a system that ingests customer data from multiple sources, unifies it into a persistent profile per individual, and makes the result available to downstream tools for marketing, personalization, and analytics. It is the system of record for who a customer is and what they have done across channels.

Definition

A CDP typically combines four capabilities: identity resolution that stitches anonymous and known interactions into a single profile, data ingestion from web, app, point of sale, email, and back office, audience segmentation against the unified profile, and activation through outbound connections to ad platforms, email tools, and the storefront. Unlike a CRM, a CDP is built to handle high-volume behavioral data, not just transactional and case data.

Why it matters

Without a CDP, customer data sits in silos and personalization stays superficial. A unified profile enables consistent experiences across touchpoints, accurate measurement of customer lifetime value, and the consented use of first-party data in a privacy-aware way. In a composable setup, the CDP is the data backbone that lets specialized frontend, recommendation, and messaging services act on shared truth.

Use cases

Common CDP use cases include cross-channel audience activation, abandonment recovery, lookalike audience generation for paid media, churn scoring, and feeding real-time personalization on the storefront. CDPs also support compliance work by centralizing consent state and supporting data subject requests.

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