PeakInbox

peakinbox.com

Seattle, Washington, United States

1-10 employees

LinkedIn Profile

About PeakInbox

advertising services, validation checklist, analytics and testing, email engagement metrics, a/b/n testing, email marketing tools, email rendering validation, inbox rendering, testing, email deployment, a/b testing, email rendering checklist, email campaign management, email rendering previews, gmail annotations, email client previews, real-time testing, annotation validation, email validation, b2b

PeakInbox's Tech Stack

AI/ML

Decision Makers at PeakInbox

1 contact

Brian Vallelunga

Co-Founder & CTO

b***@peakinbox.com Sign up to view

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17 technologies detected · 1 decision maker · Emails available

Sales Outreach Angle

React-based front-ends indicate a modern web engineering stack. Developer tools, component libraries, testing frameworks, and design systems are relevant sales angles.

PeakInbox's Position in the StackWho Database

• PeakInbox is 1 of 80,546 marketing & advertising companies tracked in StackWho.
• 80,503 marketing & advertising companies in our database have verified decision-maker emails (100% of the cohort).
• 7,040 companies in Washington are in the StackWho database.
• 56,565 marketing & advertising companies are in the 1-10 employee range (same size as PeakInbox).

Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated July 2026.

Frequently Asked Questions

What technology does PeakInbox use?

PeakInbox uses Cloudflare DNS, Outlook, Helpscout, CloudFlare Hosting, Data Analytics, React Native, and 11 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at PeakInbox?

StackWho has verified email addresses for 1 decision maker at PeakInbox. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach PeakInbox directly for sales, recruiting, or partnerships.

What industry is PeakInbox in?

PeakInbox operates in the marketing & advertising industry, headquartered in Seattle, Washington, United States. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export PeakInbox's contact data?

Yes. StackWho Pro members can export decision maker contact data for PeakInbox and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.