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CRM ⇄ Business productivity

Folk CRM to Klaviyo integration — real-time, two-way sync

Keep Folk CRM and Klaviyo in sync without custom scripts. Cut weeks of integration work, eliminate silent data drift, and give your team a single, reliable source of truth.

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Adopted by fast-scaling companies moving mission-critical data in real time

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Why teams connect Folk CRM and Klaviyo

Sync what happens in Klaviyo with the customer records in Folk CRM, in real time and in both directions.

The CRM is supposed to be the record of every customer relationship, but customer-relevant information also accumulates in the other tools a team runs. Whatever Klaviyo holds or produces that touches a customer, whether conversations, payments, replies, enriched data, or notes, the CRM only benefits if it arrives without someone copying it over.

Stacksync connects Catalog Items, Tags, Profiles, Lists in Klaviyo to Custom fields, Notes, Reminders, People in Folk CRM with bi-directional, real-time sync. Activity and record changes in Klaviyo update the matching contact or account in Folk CRM, and CRM data flows the other way wherever Klaviyo can store and use it.

Common use cases

  • 01 Sync catalog items from an ERP or PIM so product recommendations and back-in-stock flows use current data
  • 02 Sync customer profiles between Klaviyo and the CRM or warehouse so segments can use fields beyond storefront data
  • 03 Keep folk and a billing or customer success tool aligned on company records as deals close.
  • 04 Sync folk people and companies with a marketing or outbound tool so outreach lists stay current.

Common sync patterns

Where Klaviyo processes payments

Charges, refunds, and subscription changes appear on the account in Folk CRM, so revenue context lives with the relationship.

Where Klaviyo can store CRM context: fields kept current

Owner, lifecycle stage, or account details from Folk CRM sync into Klaviyo, so people working there have the context without switching tools.

Where Klaviyo runs outreach

Prospects, sends, and replies sync into Folk CRM, keeping lead status current without manual imports.

What you can sync between Folk CRM and Klaviyo

Representative objects on each side — any object or custom field can map to any target. Schemas are auto-detected; types are converted between the two systems.

Folk CRM objects Klaviyo objects How this pairing syncs
Reminders Follow-up items that can be created from external triggers. Flows Automation definitions and their engagement data sync outward for attribution. Reminders is specific to Folk CRM and Flows to Klaviyo — each maps to any object or custom field on the other side.
People Contact records; the primary entity synced with outreach and enrichment tools. Templates Message templates are accessible via API for content management workflows. People is specific to Folk CRM and Templates to Klaviyo — each maps to any object or custom field on the other side.
Companies Organization records linked to people and kept aligned with billing or CS systems. Catalog Items Product catalog records synced from an ERP or PIM power product blocks and back-in-stock triggers. Companies is specific to Folk CRM and Catalog Items to Klaviyo — each maps to any object or custom field on the other side.
Groups Shared workspaces that organize contacts; group membership is often the field integrations act on. Tags Organizational labels on campaigns, flows, and lists support reporting rollups. Groups is specific to Folk CRM and Tags to Klaviyo — each maps to any object or custom field on the other side.
Custom fields Group-scoped attributes that receive enriched or computed values from external systems. Profiles Person records with arbitrary custom properties are the target for CRM and warehouse-sourced attributes. Custom fields is specific to Folk CRM and Profiles to Klaviyo — each maps to any object or custom field on the other side.
Notes Free-text context attached to people and companies, readable for reporting. Lists Static audience memberships sync in from CRMs and forms for targeting. Notes is specific to Folk CRM and Lists to Klaviyo — each maps to any object or custom field on the other side.

How changes propagate between Folk CRM and Klaviyo

Each direction of the sync is driven by what the source system can signal and what the destination accepts — detection, delivery, and expected latency below.

Folk CRM Klaviyo Sub-second propagation

DetectionFolk CRM notifies Stacksync of record changes through webhook events. Webhook subscriptions for record events, with polling of list endpoints as a fallback.

DeliveryEach detected change is written to Klaviyo through its API, with automatic retries and rate-limit backoff.

Klaviyo Folk CRM Sub-second propagation

DetectionKlaviyo notifies Stacksync of record changes through webhook events. Polling on updated timestamps.

DeliveryEach detected change is written to Folk CRM through its API, with automatic retries and rate-limit backoff.

Rate-limit considerations

  • Folk CRM: Subject to the platform's API rate limits.
  • Klaviyo: Per-endpoint burst and steady rate limits apply.
What ships with Folk CRM ⇄ Klaviyo

Connect Folk CRM and Klaviyo for flexible, real-time data sync.

Real-time sync, workflow automation, event queues, EDI, and monitoring, for every Folk CRM–Klaviyo connection.

Real-time

Two-way sync

Changes in Folk CRM or Klaviyo instantly reflect in both systems. No stale data, no manual imports.

No-code + pro-code

Workflow automation

Trigger automated workflows whenever Folk CRM or Klaviyo data changes, update records, fire webhooks, or kick off sequences without brittle API scripts.

At scale

Event queues

Handle millions of events per minute without losing a single Folk CRM or Klaviyo record.

Observability

Monitoring

Track your Folk CRM ⇄ Klaviyo sync health, view errors, and replay failed events in one click.

Trading partners

EDI

Transform legacy EDI complexity into simple database interactions between Folk CRM and Klaviyo.

How the Folk CRM and Klaviyo connectors work

Folk CRM

Integration surface
REST API
Authentication
API key (Bearer token)
Change detection
Webhook subscriptions for record events, with polling of list endpoints as a fallback
Capabilities
read · write · webhooks
Rate limits
Subject to the platform's API rate limits

Klaviyo

Integration surface
REST API compliant with the JSON:API specification
Authentication
OAuth 2.0 for apps or private API keys
Change detection
Polling on updated timestamps; outbound webhooks exist for event topics (availability depends on plan or app-partner status) and as flow webhook actions
Capabilities
read · write · webhooks
Rate limits
Per-endpoint burst and steady rate limits apply
How it works

How to connect Folk CRM to Klaviyo — three steps, no code

Configure and sync within minutes, no code. Whether you sync 50k or 100M+ records, Stacksync handles the queues, infra, and plumbing. Integrations are non-invasive and need zero setup on your systems.

  1. 01

    Connect your apps

    Authenticate Folk CRM and Klaviyo with each platform's native method — OAuth, API keys, or service accounts — plus secure options like SSH tunneling, IP whitelisting, and VPC peering.

    • OAuth 2.0
    • SSH tunnel
    • VPC peering
    Folk CRM connected
    Klaviyo connected
    OAuth 2.0
    SSH tunnel
    SSL certificate
    VPC peering
  2. 02

    Choose tables

    Pick the Folk CRM and Klaviyo objects to sync — Stacksync auto-detects both schemas, including custom fields where the platform exposes them. Sync to existing tables, or let Stacksync create new ones with ideal data types.

    • Standard objects
    • Custom objects
    • Auto-schema
    objects · Folk CRM ⇄ Klaviyo
    Customers 12,480
    Sales Orders 8,213
    Invoices 5,902
    Items 1,344
  3. 03

    Map fields

    Fields map automatically even when names and types differ. Stacksync handles transformation and type casting for you, zero configuration required.

    • Auto-map
    • Type casting
    • Transforms
    Folk CRM Klaviyo
    Company company_name text
    Email email text
    Amount amount numeric
    Created created_at timestamp
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FAQ

Folk CRM and Klaviyo integration FAQ

SECURITY

Security teams trust Stacksync

As a data company, we understand the importance of keeping your data secure. Stacksync is built with security best practices to keep your data safe at every layer, and is DPF-certified for US, EU, UK and CH data transfers.

Learn more about security
SOC 2 Type II
ISO 27001
HIPAA BAA
GDPR
CCPA
DPF US-EU-UK-CH
→ SECURITY WITH BENEFITS

SSO & SCIM

Let your users access Stacksync from your centralized user management systems. Works with Okta, Azure, Google SSO and more.

Alerts

Immediately get alerted about record syncing issues over email, Slack, PagerDuty and WhatsApp. Resolve issues from a centralized dashboard with retry and revert options.

Secure connection options

Securely connects to your systems with:

OAuth 2 SSH Tunnelling SSL certificates IP Whitelisting VPN gateway VPC peering and more

Related integrations

Every pair below is a real-time, two-way sync. Search all 411 integrations available for Folk CRM and Klaviyo.

Popular · 8 of 411
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