Real-time
Two-way sync
Changes in Google Sheets or Klaviyo instantly reflect in both systems. No stale data, no manual imports.
Business productivity
Google Sheets to Klaviyo integration — real-time, two-way sync
Keep Google Sheets 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.
- SOC 2 and 6 other compliance frameworks
- POC with real engineers in minutes
Adopted by fast-scaling companies moving mission-critical data in real time
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Why teams connect Google Sheets and Klaviyo
Stop re-entering the same information in Google Sheets and Klaviyo: Stacksync keeps the records they share consistent in real time, in both directions.
Two tools in the daily stack often hold overlapping information: the same people, the same companies, or the same pieces of work, described twice. The tools do different jobs, so consolidating is not the answer; the overlap just needs to stop drifting.
Stacksync syncs Ranges, Named ranges, Cell values, Spreadsheets in Google Sheets with Profiles, Lists, Segments, Events in Klaviyo in real time. You choose which records overlap, map the fields that should match, and pick a direction or let changes flow both ways. From then on, an update made in either tool is reflected in the other within seconds, without exports or copy-paste.
Because the sync is field-level, each tool keeps its own extras; only the shared data is held in agreement.
Common use cases
- Reconcile finance or billing exports against system-of-record data in one collaborative surface.
- Prototype an integration by syncing a sheet before committing to a database schema.
- Push offline, ERP, or subscription order events into Klaviyo as metrics to trigger post-purchase and win-back flows
- Mirror campaign and flow engagement events into a warehouse for revenue attribution alongside order data
Where Klaviyo is where the team documents or plans: keep its data fed
Information that originates in Google Sheets stays current in Klaviyo instead of going stale after a one-time paste.
Handoffs between teams
When work started in one tool continues in the other, the shared fields travel with it automatically.
Where both tools track people or companies: one consistent record
Contact and company details corrected in either tool update the other, so nobody works from the old version.
What you can sync between Google Sheets 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.
| Google Sheets objects | Klaviyo objects | |
|---|---|---|
| Sheets (tabs) Individual worksheets, typically mapped one-to-one to a synced table. | Templates Message templates are accessible via API for content management workflows. | |
| Rows Treated as records; a header row usually defines field names. | Catalog Items Product catalog records synced from an ERP or PIM power product blocks and back-in-stock triggers. | |
| Ranges Addressed in A1 notation for batched reads and writes. | Tags Organizational labels on campaigns, flows, and lists support reporting rollups. | |
| Named ranges Stable references that keep sync mappings valid when the grid moves. | Profiles Person records with arbitrary custom properties are the target for CRM and warehouse-sourced attributes. | |
| Cell values Untyped by default, so syncs handle type coercion for dates and numbers. | Lists Static audience memberships sync in from CRMs and forms for targeting. | |
| Spreadsheets The file-level container a sync connects to, identified by spreadsheet ID. | Segments Dynamic audiences are readable so other tools can mirror who qualifies. |
What ships with Google Sheets ⇄ Klaviyo
Connect Google Sheets and Klaviyo for flexible, real-time data sync.
Real-time sync, workflow automation, event queues, EDI, and monitoring, for every Google Sheets–Klaviyo connection.
No-code + pro-code
Workflow automation
Trigger automated workflows whenever Google Sheets 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 Google Sheets or Klaviyo record.
Observability
Monitoring
Track your Google Sheets ⇄ Klaviyo sync health, view errors, and replay failed events in one click.
Trading partners
EDI
Transform legacy EDI complexity into simple database interactions between Google Sheets and Klaviyo.
How the Google Sheets and Klaviyo connectors work
Google Sheets
- Integration surface
- REST API (Google Sheets API), with file-level change signals available through the Drive API
- Authentication
- OAuth 2.0 (user consent) or Google service accounts
- Change detection
- Polling; the Sheets API has no cell-level webhooks, and Drive push notifications only signal file-level changes
- Capabilities
- read · write
- Rate limits
- Subject to per-minute read and write quotas per project and per user, so large syncs are batched.
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 Google Sheets 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.
- 01
Connect your apps
Authenticate Google Sheets 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.
Google Sheets
connected
Klaviyo
connected
OAuth 2.0SSH tunnelSSL certificateVPC peering - 02
Choose tables
Pick the Google Sheets 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.
objects · Google Sheets ⇄ KlaviyoCustomers 12,480Sales Orders 8,213Invoices 5,902Items 1,344 - 03
Map fields
Fields map automatically even when names and types differ. Stacksync handles transformation and type casting for you, zero configuration required.
Google Sheets KlaviyoCompany company_name textEmail email textAmount amount numericCreated created_at timestamp
FAQ
Google Sheets and Klaviyo integration FAQ
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Yes. Stacksync provides a managed, real-time two-way integration between Google Sheets and Klaviyo: authenticate both systems, choose the objects to sync (such as Google Sheets's Sheets (tabs) and Rows), map fields visually, and changes propagate both ways in milliseconds — no code required.
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On the Google Sheets side: Ranges, Named ranges, Cell values, Spreadsheets, plus custom fields where Google Sheets exposes them. On the Klaviyo side: Profiles, Lists, Segments, Events. Stacksync auto-detects both schemas and converts types between the two systems.
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Yes. Each object mapping can be bidirectional or restricted to a single direction (both systems accept writes). Read-only mirrors, one-way pushes, and full two-way sync can be mixed in the same integration.
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Common patterns for Google Sheets and Klaviyo: Where Klaviyo is where the team documents or plans: keep its data fed; Handoffs between teams; Where both tools track people or companies: one consistent record. Information that originates in Google Sheets stays current in Klaviyo instead of going stale after a one-time paste.
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Google Sheets: REST API (Google Sheets API), with file-level change signals available through the Drive API. Authentication: OAuth 2.0 (user consent) or Google service accounts. Klaviyo: REST API compliant with the JSON:API specification. Authentication: OAuth 2.0 for apps or private API keys. Stacksync manages authentication, retries, and rate limits on both sides.
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Google Sheets: A spreadsheet is capped at 10 million cells across all of its tabs, which bounds how much data a sheet-based sync can hold. Klaviyo: Klaviyo's current APIs follow the JSON:API specification, so payloads use typed resource objects with relationships rather than flat JSON. Stacksync's field mapping accounts for these differences between Google Sheets and Klaviyo without custom code.
SECURITY
Security teams love 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.
SOC 2 type II
ISO 27001
HIPAA BAA
GDPR
CCPA
CSA STAR
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:
Related integrations
Every pair below is a real-time, two-way sync. Search all 386 integrations available for Google Sheets and Klaviyo.
Popular · 8 of 386
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Google Sheets ⇄ Lusha -
Google Sheets ⇄ Microsoft 365 -
Google Sheets ⇄ Microsoft Dynamics 365 -
Google Sheets ⇄ Microsoft Teams -
Klaviyo ⇄ ConnectWise -
Klaviyo ⇄ Aviato -
Klaviyo ⇄ Customer.io -
Klaviyo ⇄ eClinicalWorks
No integrations match .
