What does Respond.io do?
Respond.io is a customer-conversation management platform that unifies WhatsApp, SMS, phone, email, and CRM data into a single system for mid-market B2C businesses. AI agents automate sales, marketing follow-up, and support conversations across channels. The Kuala Lumpur-based company reached roughly $35M ARR before raising a $62.5M Series B in June 2026 to expand into North America and Europe.