How do I find someone's email at Klaviyo?

Use emailfinder.dev's Person Email endpoint with the person's full name and domain klaviyo.com. Or use the LinkedIn Lookup endpoint with their LinkedIn profile URL. Both verify the email in real-time via SMTP.

How many employees does Klaviyo have?

Klaviyo has approximately 2.9k employees, headquartered in Boston.

Find Email Addresses at Klaviyo (2026)

klaviyo.com · 2.9k employees · Boston, US · Founded 2012

About Klaviyo

Klaviyo is the autonomous CRM built for B2C brands. Know, engage, and grow your audience like never before.

Klaviyo (NYSE: KVYO) is the autonomous B2C CRM. Powered by its built-in data platform and AI, Klaviyo combines marketing automation, analytics, and customer service into one unified solution, making it easy for businesses to know their customers and grow faster. Klaviyo (CLAY-vee-oh) helps over 193,000 brands like Mattel, Glossier, Daily Harvest, and Liquid Death deliver 1:1 experiences at scale, ...

How to find email addresses at Klaviyo

By name and domain

Pass the person's full name and klaviyo.com to the Person Email endpoint. emailfinder.dev tests all common email patterns against the live mail server and returns the verified address.

GET /api/find-email/person?full_name=Jane+Doe&domain=klaviyo.com

By LinkedIn profile

If you have the person's LinkedIn URL, pass it to the LinkedIn Lookup endpoint. Returns the verified email plus their name, title, and company.

GET /api/find-email/linkedin?linkedin_url=https://linkedin.com/in/...

By role (decision makers)

Find the CEO, CTO, VP of Sales, or any other decision maker at Klaviyo without knowing their name.

GET /api/find-email/decision-maker?domain=klaviyo.com&decision_maker_category=ceo

All emails at Klaviyo

Discover up to 20 verified email addresses at klaviyo.com in a single request.

GET /api/find-email/company?domain=klaviyo.com

Frequently asked questions

What is the email format at Klaviyo?

Most companies use formats like first.last@klaviyo.com, first@klaviyo.com, or flast@klaviyo.com. emailfinder.dev tests all patterns against the live mail server and returns only the verified, deliverable address — no guessing.

How do I find the CEO email at Klaviyo?

Use the Decision Maker endpoint with domain=klaviyo.com&decision_maker_category=ceo. The API identifies the current CEO, verifies their email via SMTP, and returns the confirmed address with their name and title.

Are the emails verified?

Yes. Every email returned by emailfinder.dev is verified in real-time via SMTP. The API connects to klaviyo.com's mail server and confirms the mailbox exists before returning the address. You only pay for verified results.

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Company details

Domain: klaviyo.com
Industry: Marketing Services
Employees: 2.9k
Headquarters: Boston, US
Founded: 2012
Website: klaviyo.com
LinkedIn: View profile

Pay only for results. Credits start at €0.009 per verified email. No monthly subscription. No charge when an email is not found.