EnvelopeGenerator/EnvelopeGenerator.Application/Contracts/IMessagingService.cs

using EnvelopeGenerator.Application.DTOs.Messaging;

namespace EnvelopeGenerator.Application.Contracts
{
    public interface IMessagingService
    {
        public Task<SmsResponse> SendSmsAsync(string recipient, string message);

        string ServiceProvider { get; }
    }
}