DocumentationIntegrateCode Examplesv3 MailC# View and Edit C# We recommend using SendGrid C#, our client library, available on Github, with full documentation. View on Github » Do you have an API Key yet? If not, go get one. You’re going to need it to integrate! Using SendGrid’s C# Library Was this helpful? Yes No Feedback SendGrid Pricing Try SendGrid for Free Contact Us × Feedback If you have a question that needs an answer, please contact support. Otherwise, please open an issue or drop us a line. Thanks for helping us improve the docs!