> 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/retrive-and-register-functions.md).

# Retrive and register functions

- [Get balance](https://developers.esms.vn/en/esms-api/retrive-and-register-functions/get-balance.md)
- [Get the message status](https://developers.esms.vn/en/esms-api/retrive-and-register-functions/ham-kiem-tra-trang-thai-tin-nhan-theo-khoang-thoi-gian.md)
- [Get SMS by SMSID](https://developers.esms.vn/en/esms-api/retrive-and-register-functions/get-sms-by-smsid.md)
- [Get message details](https://developers.esms.vn/en/esms-api/retrive-and-register-functions/get-message-details.md)
- [Get list registered brandnames](https://developers.esms.vn/en/esms-api/retrive-and-register-functions/get-list-registered-brandnames.md)
- [Get list customer care templates](https://developers.esms.vn/en/esms-api/retrive-and-register-functions/get-list-customer-care-templates.md)
- [Summary your customer care submit](https://developers.esms.vn/en/esms-api/retrive-and-register-functions/summary-your-customer-care-submit.md)
- [Summary your advertising submit](https://developers.esms.vn/en/esms-api/retrive-and-register-functions/summary-your-advertising-submit.md)
- [Get list OA](https://developers.esms.vn/en/esms-api/retrive-and-register-functions/get-list-oa.md)
- [Get list templates of OA](https://developers.esms.vn/en/esms-api/retrive-and-register-functions/get-list-templates-of-oa.md)
- [Summary Zalo message](https://developers.esms.vn/en/esms-api/retrive-and-register-functions/summary-zalo-message.md)
- [Get the daily quota of OA](https://developers.esms.vn/en/esms-api/retrive-and-register-functions/get-the-daily-quota-of-oa.md)
- [Get rating information of Zalo users](https://developers.esms.vn/en/esms-api/retrive-and-register-functions/get-rating-information-of-zalo-users.md)
- [Check the OA quality](https://developers.esms.vn/en/esms-api/retrive-and-register-functions/check-the-oa-quality.md)
- [Get list Zalo's followers](https://developers.esms.vn/en/esms-api/retrive-and-register-functions/get-list-zalos-followers.md)
- [Get callback data](https://developers.esms.vn/en/esms-api/retrive-and-register-functions/get-callback-data.md)
- [Get Zalo template details](https://developers.esms.vn/en/esms-api/retrive-and-register-functions/get-zalo-template-details.md)
- [Purchase OA package](https://developers.esms.vn/en/esms-api/retrive-and-register-functions/purchase-oa-package.md)
- [Registering the Zalo template](https://developers.esms.vn/en/esms-api/retrive-and-register-functions/ham-dang-ky-template-zalo.md)
- [Registering SMS template](https://developers.esms.vn/en/esms-api/retrive-and-register-functions/registering-sms-template.md)
- [Get ZNS status information](https://developers.esms.vn/en/esms-api/retrive-and-register-functions/get-zns-status-information.md)