Zefir
WhatsApp & SMS Revenue Platform for Ecommerce
Saint-Mandé, France · Founded 2019 · $52.1M raised
- Headquarters
- Saint-Mandé
- Employees
- 501–1000
- Founded
- 2019
- Business Model
- Marketplace
- Website
- zefir.com
- Total Funding
- $52.1M
- Last Round
- $17.5M Series BSep 2025
- Rounds
- 3
About
Zefir provides managed AI revenue infrastructure for established ecommerce brands, building and operating their WhatsApp and SMS channels end to end. Its system personalizes messages using browsing behavior, purchase history, cart activity, engagement, and purchase cadence, then attributes each order to the message that drove it. The company also handles WhatsApp Business API onboarding, compliance, templates, integrations, messaging infrastructure, automated flows, and campaign operations for customers.
Summary
Zefir is a Marketing Tech company based in Saint-Mandé, France, founded in 2019. It has raised $52.1M in total across 3 rounds, most recently a $17.5M Series B round in Sep 2025. Investors include Sequoia Capital, FinTech Collective and Zigg Capital.
Tech & App Stack
8 technologies & apps tracked
Every product and vendor across these categories, with where each signal came from.
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Funding History
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Sep 2025
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Series A through Series B — per-round amounts, valuations, and who invested in each round.
Investors
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