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CDP Integration

Segment Integration β€” one identity, everywhere.

Twilio Segment is a customer data platform (CDP) that helps you collect, clean, and activate your customer data. As both a Segment source and destination, CustomFit keeps one identity and one schema across web, app, and server.

βœ“ 2-way data syncβœ“ 5-min setupβœ“ SOC 2 + GDPR
How CustomFit.ai integrates with Segment: CustomFit identifies users, tracks events and properties, groups users and sends custom traits into Segment to collect, unify, enrich, route and activate customer data across 300+ destinations β€” delivering a single source of truth, smarter segmentation, faster activation and better outcomes.
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CDP source & destination

CustomFit works as both a Segment source and destination β€” events flow in, exposures flow out, one schema.

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Unified identity

Segment’s identity resolution means CustomFit targets the same user across web, app, and server.

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Reverse-ETL friendly

Activate warehouse audiences piped through Segment directly in CustomFit experiences.

Why Segment + CustomFit.ai

The fastest path from Segment data to a shipped experiment.

Segment captures what's happening on your site. CustomFit.ai is where you act on it β€” building cohorts, running A/B tests, and personalizing experiences without engineering tickets. Together, they close the loop from observe β†’ hypothesize β†’ test β†’ ship β†’ measure in days, not quarters.

  • βœ“ Stream events into CustomFit audience rules
  • βœ“ Push variant assignment to every Segment destination
  • βœ“ One source of truth for experiments
  • βœ“ Reverse-ETL from your warehouse
5-step setup
1Connect Segment via OAuth or API key
2Map fields & events
3Enable 2-way sync
4Build your first cohort & experiment
βœ“Live in 5 minutes
Inbound Β· Segment β†’ CustomFit
  • β†’ All Segment events as triggers
  • β†’ Computed traits as audience signals
Outbound Β· CustomFit β†’ Segment
  • ← Variant assignment as Segment track call
Data flow

Exactly what flows between Segment and CustomFit.ai

Total transparency on the data we read and write. Every field is configurable, every event is logged, and you control retention.

In practice

Popular ways D2C teams use Segment + CustomFit.ai β€” + CustomFit.ai

Real plays that growth and CRO teams run the week they connect Segment + CustomFit.ai β€”.

1

Build high-intent audiences

Pull Segment + CustomFit.ai β€” cohorts and signals into CustomFit targeting, then personalize the storefront for each segment in real time.

2

Measure every experiment in Segment + CustomFit.ai β€”

Variant assignment and conversions flow back automatically, so you can slice any Segment + CustomFit.ai β€” report by experiment cohort.

3

Close the CRO loop

Observe in Segment + CustomFit.ai β€”, hypothesize and test in CustomFit, ship the winner, and feed results right back β€” no spreadsheets in between.

+27%
Median revenue lift
5 min
To connect Segment + CustomFit.ai β€”
0 ms
Added latency
2-way
Data sync

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Straight answer

What is the Segment + CustomFit.ai integration?

Segment, which is a customer data platform, connects natively to CustomFit.ai. Once linked, Segment data flows into CustomFit to build audiences and target experiences, while experiment exposure and conversions flow back to Segment β€” no spreadsheets and no glue code, just one connected loop between your CDP and your storefront.

At a glance

βœ“Streams events & traits in
βœ“Activates audiences on-site
βœ“Sends exposure downstream
βœ“One schema across tools
Setup

Connect Segment in four steps

1

Add the connector

Find Segment in the CustomFit integrations catalog.

2

Authorize

Connect via OAuth or an API key in minutes.

3

Map data

Choose what syncs in and what flows back.

4

Activate

Target experiences and tests on the synced data.

Who it’s for

Teams that get the most from Segment + CustomFit

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Data teams

Activate CDP audiences on-site.

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CRO teams

Target by unified traits.

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Marketers

Consistent audiences everywhere.

The complete guide

Understanding Segment integration

The Segment integration connects your Segment data to CustomFit.ai so growth and CRO teams can run A/B tests, personalize experiences, and measure revenue impact without engineering work. Instead of exporting CSVs or maintaining brittle scripts, Segment and CustomFit stay in continuous two-way sync β€” audiences and events flow into CustomFit, and experiment exposures and conversions flow back to Segment.

For D2C and ecommerce brands, pairing Segment with CustomFit closes the optimization loop: you observe behavior, form a hypothesis, build a test or personalized experience in a no-code editor, ship it, and measure the lift against real outcomes. Because evaluation happens at the edge before first paint, the Segment integration adds no visible latency and keeps Core Web Vitals healthy.

Setting up the Segment integration takes minutes, not sprints. Connect via OAuth or an API key, map the fields and events you care about, and turn on sync β€” every field is configurable, every API call is audit-logged, and you stay in control of data retention. Security is enterprise-grade: SOC 2 Type II, ISO 27001, GDPR and CCPA alignment, with encryption in transit and at rest.

How do I connect Segment to CustomFit.ai?

Add the Segment connector from the CustomFit integrations catalog, authorize via OAuth or an API key, map your fields and events, and enable sync. Most teams are live in minutes with no engineering ticket.

Is the Segment integration secure?

Yes. Data is encrypted in transit (TLS 1.3) and at rest (AES-256), secrets are vaulted, every API call is audit-logged, and the integration is SOC 2 Type II, ISO 27001, GDPR and CCPA aligned.

Will the Segment integration slow my site?

No. CustomFit evaluates experiences at the edge before first paint, so the Segment integration adds negligible latency and your Core Web Vitals stay green.

Which Segment plan is required?

All plans supported β€” Free, Team, Business, Enterprise.

How long does it take to set up the Segment integration?

Most teams connect Segment in minutes β€” authorize via OAuth or an API key, map your fields, and turn on sync. No engineering ticket required.

Does the Segment integration cost extra?

No. Every integration is included on all CustomFit plans; you only pay on matched monthly visitors, never per connector.

Is my data secure with the Segment integration?

Yes. Data is encrypted in transit (TLS 1.3) and at rest (AES-256), secrets are vaulted, and every API call is audit-logged β€” SOC 2 Type II, ISO 27001, GDPR and CCPA aligned.

Can I control what data syncs with Segment?

Yes. Every field and event is configurable, you choose which direction data flows, and you control retention.

Plays you can run

What Segment + CustomFit unlocks

CDP plays that keep one identity everywhere.

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Warehouse audiences

Activate reverse-ETL audiences piped through Segment directly in CustomFit experiences.

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Cross-device targeting

Use Segment identity resolution to target the same user across web, app, and server.

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Exposure downstream

Send experiment exposure through Segment to every connected destination.

Ready to connect Segment?

Free trial includes every integration. Live in 5 minutes.

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