We’re sharing how we power marketing automation at scale using Temporal. By rethinking how workflows run, update, and scale, we’ve built a system that reliably handles millions of contacts and long-lived automations without breaking a sweat.

Conversion is building the marketing automation platform of the future. As we have continued to scale our product features, we have also scaled the amount of endpoints reaching over 350 managed endpoints across 10 services. This post will detail the journey we took with service to service communication used to handle >30 million requests a day.

This article dives into how we designed and built the data connector and data synchronization platform — the component responsible for syncing millions of our customers’ most important business records in from and out to their CRM’s every day.

We just raised $28M to build the marketing automation platform we always wished existed. Here’s how we got here — and where we’re headed.