Please check attached screenshot of requestChat method. If mobile number is not passed in api request then there is decoding issue. **keyNotFound(CodingKeys(stringValue: "phone_number", intValue: nil), Swift.DecodingError.Context(codingPath: [], debugDescription: "No value associated with key CodingKeys(stringValue: \"phone_number\", intValue: nil) (\"phone_number\").", underlyingError: nil))** 