SparkPost

Acquired

Columbia, Maryland, United States · Founded 1999

201-500 employees · $152M

Sourced & current · updated Jun 8, 2026Website

SparkPost is a leading cloud email delivery service and API platform, now part of MessageBird, that helps businesses send transactional and marketing emails at scale with high deliverability.

Where they sit

Stack tier: Infrastructure & Data (B)

Email MarketingMarketing TechnologyMarketing Automation

One of the top cloud email delivery platforms by volume, competing directly with SendGrid and Mailgun, with strong enterprise and developer adoption

Ownership

Parent: Bird