> For the complete documentation index, see [llms.txt](https://docs-latam.messaging.sinch.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs-latam.messaging.sinch.com/technical-documentation.md).

# TECHNICAL DOCUMENTATION

- [Latam Messaging Technical Documentation regarding API & Integrations](https://docs-latam.messaging.sinch.com/technical-documentation/api-and-integrations.md)
- [Introduction - Integrations](https://docs-latam.messaging.sinch.com/technical-documentation/api-and-integrations/introduction-integrations.md): Welcome to our documentation for developers
- [SMS API](https://docs-latam.messaging.sinch.com/technical-documentation/api-and-integrations/sms-api.md)
- [Email API](https://docs-latam.messaging.sinch.com/technical-documentation/api-and-integrations/email-api.md)
- [Fallback API](https://docs-latam.messaging.sinch.com/technical-documentation/api-and-integrations/fallback-api.md): hnical Documentation: Fallback API
- [WhatsApp API](https://docs-latam.messaging.sinch.com/technical-documentation/api-and-integrations/whatsapp-api.md)
- [WhatsApp Groups API](https://docs-latam.messaging.sinch.com/technical-documentation/api-and-integrations/atlas-api.md)
- [Listing Message Templates](https://docs-latam.messaging.sinch.com/technical-documentation/api-and-integrations/listing-message-templates.md)
- [WhatsApp Interactive API](https://docs-latam.messaging.sinch.com/technical-documentation/api-and-integrations/whatsapp-interactive-api.md)
- [WhatsApp Lists via API](https://docs-latam.messaging.sinch.com/technical-documentation/api-and-integrations/whatsapp-lists-via-api.md): Technical Documentation: WhatsApp Lists via API
- [WhatsApp Messaging via SFTP](https://docs-latam.messaging.sinch.com/technical-documentation/api-and-integrations/whatsapp-messaging-via-sftp.md)
- [Campaigns API](https://docs-latam.messaging.sinch.com/technical-documentation/api-and-integrations/campaigns-api.md): Technical Documentation: Campaigns API
- [TTL - Time to Live](https://docs-latam.messaging.sinch.com/technical-documentation/api-and-integrations/untitled-2.md): Messaging with TTL (Time to Live - The HSM’s lifespan before being delivered)
- [Webhook](https://docs-latam.messaging.sinch.com/technical-documentation/api-and-integrations/webhook.md)