# Sendrealm Documentation ## Docs - [Send Email](https://docs.sendrealm.com/api-reference/endpoint/create.md): Send emails - [Introduction](https://docs.sendrealm.com/api-reference/introduction.md): General introduction for Sendrealm API - [Introduction](https://docs.sendrealm.com/introduction.md): Welcome to the Sendrealm documentation - [API Keys](https://docs.sendrealm.com/tutorials/api-keys.md): Configure API Keys to start sending emails - [Domains](https://docs.sendrealm.com/tutorials/domains.md): How to use custom domains to send emails - [SMTP](https://docs.sendrealm.com/tutorials/smtp.md): Learn how to use Sendrealm SMTP Server to send emails ## OpenAPI Specs - [openapi](https://docs.sendrealm.com/api-reference/openapi.json) ## Optional - [Documentation](https://docs.sendrealm.com/)