Rex is an AI-native service for automating order-to-cash. From day one, their engineers made a deliberate investment to trace every agent's touchpoint using Braintrust. Then the @rexdotinc team built evals against production data to drive model selection, latency optimization, and auditing of customer-specific operating procedures. Read more → braintrustdata.link/rex-orde…

@synthesiaIO serves 90% of the Fortune 100. Their finance team partnered with @rexdotinc to transform order-to-cash into an AI-native operation. Today we’re sharing the story. rex.inc/customers/synthesia

Most early-stage startups don't think about enterprise sales. @rexdotinc went after Fortune 500s from day one. AuthKit is how they got the auth stack ready before the first security review. Read more: workos.com/blog/how-rex-went…

We're coming out of stealth and announcing Rex to the world.

Hello, meet Rex.