# Notvis Connect ## Docs - [Introduction](https://docs.notvis.com/introduction.md): Notvis Connect is a multi-channel communication API for sending transactional emails, SMS, and push notifications. - [Authentication](https://docs.notvis.com/authentication.md): Learn how to authenticate your API requests with Notvis Connect. - [Errors](https://docs.notvis.com/errors.md): How Notvis Connect API handles and reports errors. - [Rate Limits](https://docs.notvis.com/rate-limits.md): Understand the rate limits applied to Notvis Connect API requests. - [Idempotency](https://docs.notvis.com/idempotency.md): Prevent duplicate API requests with idempotency keys. - [API Overview](https://docs.notvis.com/api-reference/overview.md): Overview of the Notvis Connect REST API. - [Send Email](https://docs.notvis.com/api-reference/emails/send-email.md): Send a transactional email to one or more recipients. - [Get Email](https://docs.notvis.com/api-reference/emails/get-email.md): Retrieve the status and details of an email message. - [Send SMS](https://docs.notvis.com/api-reference/sms/send-sms.md): Send an SMS message to one or more phone numbers. - [Get SMS](https://docs.notvis.com/api-reference/sms/get-sms.md): Retrieve the status and details of an SMS message. - [Register Device](https://docs.notvis.com/api-reference/push/register-device.md): Register a device for push notifications. No API key required. - [Identify User](https://docs.notvis.com/api-reference/push/identify-user.md): Link an anonymous device to an identified user. No API key required. - [SDKs](https://docs.notvis.com/sdks/overview.md): Official SDKs and libraries for Notvis Connect.