> For the complete documentation index, see [llms.txt](https://docs.multimarkets.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.multimarkets.org/client-api/login.md).

# Login

## Introduction

This interface is used to log in to the trading system when customizing the client, and to subscribe to quotes and place trading orders.

## Interface

###  Email/Mobile phone number login

{% openapi src="/files/5GLLyQq34kkKHu3xlElj" path="/login/customer.app.CustomerWebApiService.login" method="post" %}
[MultiMarkets-ClientAPI.openapi.en.yaml](https://3404072034-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FvilfBi544sqSg2yLNueg%2Fuploads%2FSs3fEdIXpRTn0mqBDkuQ%2FMultiMarkets-ClientAPI.openapi.en.yaml?alt=media\&token=e5badae2-4fd4-4801-93ed-5a2e30a5a0a9)
{% endopenapi %}

###  Login with social account

{% openapi src="/files/5GLLyQq34kkKHu3xlElj" path="/global/customer.app.CustomerThirdLoginService.config" method="post" %}
[MultiMarkets-ClientAPI.openapi.en.yaml](https://3404072034-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FvilfBi544sqSg2yLNueg%2Fuploads%2FSs3fEdIXpRTn0mqBDkuQ%2FMultiMarkets-ClientAPI.openapi.en.yaml?alt=media\&token=e5badae2-4fd4-4801-93ed-5a2e30a5a0a9)
{% endopenapi %}

{% openapi src="/files/5GLLyQq34kkKHu3xlElj" path="/h/com.cats.customer.api.app.CustomerThirdLoginService/googleVerify" method="post" %}
[MultiMarkets-ClientAPI.openapi.en.yaml](https://3404072034-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FvilfBi544sqSg2yLNueg%2Fuploads%2FSs3fEdIXpRTn0mqBDkuQ%2FMultiMarkets-ClientAPI.openapi.en.yaml?alt=media\&token=e5badae2-4fd4-4801-93ed-5a2e30a5a0a9)
{% endopenapi %}