> For the complete documentation index, see [llms.txt](https://developers.esms.vn/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developers.esms.vn/en/esms-api/other-apis.md).

# Other APIs

- [Send customer care message using GET](https://developers.esms.vn/en/esms-api/other-apis/send-customer-care-message-using-get.md)
- [Send customer care message using POST X-Form](https://developers.esms.vn/en/esms-api/other-apis/send-customer-care-message-using-post-x-form.md)
- [Send customer care message using POST TEXT](https://developers.esms.vn/en/esms-api/other-apis/send-customer-care-message-using-post-text.md): API dùng để gửi tin Quảng cáo đến khách hàng. Mỗi request tối thiểu 30 số để được duyệt tin và tối đa 5000 số.
- [Send fixed number using GET](https://developers.esms.vn/en/esms-api/other-apis/send-fixed-number-using-get.md)
- [Send advertising message using POST TEXT](https://developers.esms.vn/en/esms-api/other-apis/send-advertising-message-using-post-text.md)
- [Send Zalo message (old version)](https://developers.esms.vn/en/esms-api/other-apis/send-zalo-message-old-version.md)
- [Send personized message via Zalo](https://developers.esms.vn/en/esms-api/other-apis/send-personized-message-via-zalo.md)
- [Send Zalo message using POST X-FORM](https://developers.esms.vn/en/esms-api/other-apis/send-zalo-message-using-post-x-form.md)
- [Send Zalo message full template](https://developers.esms.vn/en/esms-api/other-apis/ham-gui-tin-nhan-zalo-dang-json-full-template.md)
- [Send Viber message using GET](https://developers.esms.vn/en/esms-api/other-apis/ham-gui-tin-nhan-viber-dang-get.md): Cho phép bạn gửi tin nhắn đến số điện thoại đang sử sụng Viber
- [Check code](https://developers.esms.vn/en/esms-api/other-apis/check-code.md): Hàm cho phép bạn gọi API check code xem đã sử dụng, hết hạn.