HubSpot + Klaviyo

HubSpot to Klaviyo Integration for mid-market Australian businesses

Sync data between HubSpot and Klaviyo automatically. Eliminate manual data entry, reduce errors, and save 8+ hours/week with a custom integration built by Harvard-educated automation experts.

8+ hours/week

Saved weekly

2 weeks

Setup time

Instant

Contact sync

Two-way

Sync direction

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Why Connect HubSpot to Klaviyo?

Client engagement details in HubSpot and time-tracking data in Klaviyo do not align, making billing inaccurate

Reporting across HubSpot and Klaviyo requires painful manual exports and spreadsheet merges

HubSpot limitations compound the integration challenge: contact-based pricing means your costs increase as your database grows, even if those contacts are inactive or unengaged

No single source of truth when campaigns live in two disconnected tools, so staff second-guess which system has the correct information

Manually copying data between HubSpot and Klaviyo wastes hours every week that could be spent on revenue-generating work

New team members take longer to onboard because they must learn manual workarounds to keep HubSpot and Klaviyo aligned

Online orders in HubSpot and in-store inventory in Klaviyo are never in sync, frustrating customers

HubSpot uses a REST API while Klaviyo uses REST + Webhook, requiring careful middleware to translate data formats between the two platforms

How We Help

With 12+ helping mid-market Australian businesses, we have built dozens of integrations between crm & sales and marketing platforms. Connecting HubSpot to Klaviyo is a proven workflow we deploy in 2 weeks. On the technical side, HubSpot uses a REST API with OAuth authentication, and Klaviyo authenticates via API key, which our team handles as part of the build.

Unlock Klaviyo Value

Klaviyo stands out because e-commerce data integration is best in class with Shopify, WooCommerce, and BigCommerce syncing purchase history, browse behaviour, and product data automatically. Integrating it with HubSpot means your team gets this benefit with complete, accurate data flowing in automatically.

Amplify HubSpot Strengths

HubSpot excels because free tier includes contact management, deal tracking, and email templates - genuinely useful without paying a cent. Connecting it to Klaviyo ensures that advantage flows through your entire workflow rather than staying siloed in one tool.

Custom-Built for Your Workflow

Unlike generic connectors, we build integrations tailored to how your business actually uses HubSpot and Klaviyo. Custom field mappings, business rules, and error handling included.

Built-In Error Handling and Alerts

Our integrations include automatic retries, error queuing, and real-time notifications. If something fails between HubSpot and Klaviyo, your team knows immediately and the system self-recovers where possible.

HubSpot to Klaviyo Use Cases

Automated error handling and retry for HubSpot/Klaviyo sync

When a sync between HubSpot and Klaviyo fails due to a rate limit, network issue, or validation error, the integration retries automatically with exponential backoff. Your team is alerted only when intervention is genuinely needed.

Connect HubSpot campaigns to Klaviyo for attribution

Campaign engagement data from HubSpot is pushed to Klaviyo so your team can see which campaigns drive real business outcomes. UTM parameters, conversion events, and engagement scores are all mapped.

Data Mapping

How data flows between HubSpot and Klaviyo (bi-directional)

HubSpot	→	Klaviyo	Notes
HubSpot Campaigns	↔	Klaviyo Campaigns	Campaign data and engagement metrics shared between platforms for unified marketing attribution.
HubSpot Owner/Assignee	↔	Klaviyo Owner/Assignee	Record ownership mapped between platforms using email address as the matching key
HubSpot Timestamps	↔	Klaviyo Audit Log	Created and modified timestamps preserved for sync conflict resolution and compliance
HubSpot Record IDs	↔	Klaviyo External References	Cross-reference identifiers stored on both records for bidirectional lookups and deduplication
HubSpot Companies	↔	Klaviyo Custom Fields	Companies data from HubSpot stored in Klaviyo custom fields for reference
HubSpot Tickets	↔	Klaviyo Custom Fields	Tickets data from HubSpot stored in Klaviyo custom fields for reference
HubSpot Emails	↔	Klaviyo Custom Fields	Emails data from HubSpot stored in Klaviyo custom fields for reference
HubSpot Deals	↔	Klaviyo Custom Fields	Deals data from HubSpot stored in Klaviyo custom fields for reference
HubSpot Contacts	↔	Klaviyo Custom Fields	Contacts data from HubSpot stored in Klaviyo custom fields for reference

HubSpot + Klaviyo Integration FAQ

Yes. we poll HubSpot's REST API at configurable intervals for near-real-time detection, and Klaviyo also provides webhook support for bidirectional triggers. Changes in HubSpot are reflected in Klaviyo within seconds, and vice versa. For high-volume scenarios, we implement queuing to handle peak loads without data loss.

We map crm & sales data like contacts and companies from HubSpot to the corresponding marketing structures in Klaviyo. Our team handles data transformation, validation, and conflict resolution between the two system types.

Yes. We have built integrations for Professional Services businesses that rely on both HubSpot and Klaviyo. The integration is customised to your industry-specific workflows, data structures, and compliance requirements. Book Free Assessment to discuss your specific needs.

Yes. Clever Ops has helped Retail & E-commerce businesses connect HubSpot to Klaviyo as part of their automation strategy. Each industry has unique data flows and compliance needs, and we tailor the integration accordingly. Based in Gippsland, Victoria, we understand the Australian market deeply.

Yes, we handle one-time historical data migrations alongside ongoing sync. We map your existing campaigns, validate data quality, and run test migrations before the final cutover. Most migrations complete within 4-8 weeks depending on volume.

We use a combination of direct REST API connections and automation platforms like Make, Zapier, or n8n, depending on your requirements and budget. For complex workflows, we build custom middleware. The right approach depends on your volume, sync frequency, and business rules.

Yes, every integration includes 3 months of post-launch support. We monitor sync health, troubleshoot issues, and make adjustments as your workflow evolves. Ongoing maintenance plans are available for businesses that want continuous optimisation.