How do I find someone's email at Slack?

Use emailfinder.dev's Person Email endpoint with the person's full name and domain slack.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 Slack have?

Slack has approximately 3.0k employees, headquartered in San Francisco.

Find Email Addresses at Slack (2026)

slack.com · 3.0k employees · San Francisco, US

About Slack

Slack is on a mission to make people's working lives simpler, more pleasant and more productive. It is the productivity platform for customer companies that improves performance by empowering everyone with no-code automation, making search and knowledge sharing seamless, and keeping teams connected and engaged as they move work forward together. As part of Salesforce, Slack is deeply integrated in...

How to find email addresses at Slack

By name and domain

Pass the person's full name and slack.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=slack.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 Slack without knowing their name.

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

All emails at Slack

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

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

Frequently asked questions

What is the email format at Slack?

Most companies use formats like first.last@slack.com, first@slack.com, or flast@slack.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 Slack?

Use the Decision Maker endpoint with domain=slack.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 slack.com's mail server and confirms the mailbox exists before returning the address. You only pay for verified results.

Find emails at Slack

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Company details

Domain: slack.com
Industry: Technology, Information and Internet
Employees: 3.0k
Headquarters: San Francisco, US
Website: slack.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.