We had that issue but only when we sent back to back api calls to make outbound calls. But we have done a demo using vapi bought number and we did more than 30 or so in a day and didn’t have any issue. But that was done over a period of time. Plus I’ve done a ton of test calls during the build stage. So I’m guessing if you’re doing outbound programmatically then the limo kicks in. But you can easily sort this out by buying ab number from twilio and importing it. It’s pretty quick process