700011: exactly one of Url or Twiml is required

HTTP status

400

Where you see it

HTTP

Why it happens

• A new call with neither Url nor Twiml, or with both.

• A call update with both Url and Twiml, with Status plus Url or Twiml, or with none of Url, Twiml and Status.

The error body

{
  "code": 700011,
  "message": "exactly one of Url or Twiml is required",
  "more_info": "https://docs.dongleswithwings.com/errors/700011",
  "status": 400
}