Case Study: Curb achieves 100X SMS deliverability and reliable taxi notifications with Twilio SMS

Curb Gets Riders Where they want to Go with Twilio SMS

Curb, founded in 2009 and headquartered in Alexandria, VA, is a mobile app that simplifies hailing taxis by letting riders request cars and receive status updates via SMS. Rapid user growth overwhelmed Curb’s home‑built messaging system—queues backed up, messages were lost and some pickups never happened—so the company needed a reliable, scalable way to ensure SMS delivery during peak usage.

Curb migrated taxi fleets to Twilio SMS, a cloud communications platform that eliminated maintenance and improved visibility. The move was seamless and delivered dramatic results: message throughput per minute increased by more than 100x, uptime reached about 99%, SMS deliverability improved 100x, and costs fell through Twilio’s volume pricing as Curb expanded to roughly 35,000 taxis across 60 cities.

Curb

Jay McClary

Vice President of Marketing