Organization and Nature of Operations - Summary Of Principal Subsidiaries And VIEs (Detail)
12 Months Ended
Dec. 31, 2021
Agora Lab, Inc.  
Disclosure Of Major Subsidiaries And Variable Interest Entities [Line Items]  
Date of Incorporation Jan. 13, 2014
Percentage of Direct or Indirect Ownership 100.00%
Principal Activities Provision of services
Place Of Incorporation California, United States
Agora IO, Inc  
Disclosure Of Major Subsidiaries And Variable Interest Entities [Line Items]  
Date of Incorporation Dec. 02, 2014
Percentage of Direct or Indirect Ownership 100.00%
Principal Activities Investment holding
Place Of Incorporation Cayman Islands
Agora IO Hongkong Limited  
Disclosure Of Major Subsidiaries And Variable Interest Entities [Line Items]  
Date of Incorporation Dec. 12, 2014
Percentage of Direct or Indirect Ownership 100.00%
Principal Activities Investment holding
Place Of Incorporation Hong Kong
Dayin Network Technology Co., Ltd. ("Dayin")  
Disclosure Of Major Subsidiaries And Variable Interest Entities [Line Items]  
Date of Incorporation Apr. 30, 2015
Percentage of Direct or Indirect Ownership 100.00%
Principal Activities Provision of services
Place Of Incorporation PRC
Shanghai Jiyin Network Technology Co., Ltd. ("Jiyin")  
Disclosure Of Major Subsidiaries And Variable Interest Entities [Line Items]  
Date of Incorporation May 26, 2020
Percentage of Direct or Indirect Ownership 100.00%
Principal Activities Provision of services
Place Of Incorporation PRC
Agora.IO Ltd  
Disclosure Of Major Subsidiaries And Variable Interest Entities [Line Items]  
Date of Incorporation Jul. 25, 2019
Percentage of Direct or Indirect Ownership 100.00%
Principal Activities Startup
Place Of Incorporation United Kingdom
Agora IO Singapore PTE. Ltd.  
Disclosure Of Major Subsidiaries And Variable Interest Entities [Line Items]  
Date of Incorporation Nov. 04, 2020
Percentage of Direct or Indirect Ownership 100.00%
Principal Activities Provision of services
Place Of Incorporation Singapore
Beijing Yizhang Yunfeng Technology Co., Ltd ("Beijing Easemob")  
Disclosure Of Major Subsidiaries And Variable Interest Entities [Line Items]  
Date of Incorporation Apr. 27, 2013
Percentage of Direct or Indirect Ownership 100.00%
Principal Activities Provision of services
Place Of Incorporation PRC
Shanghai Zhaoyan Network Technology Co., Ltd. ("Zhaoyan")  
Disclosure Of Major Subsidiaries And Variable Interest Entities [Line Items]  
Date of Incorporation Mar. 28, 2014
Principal Activities Provision of services
Percentage of Direct or Indirect Ownership, VIEs 100.00%
Place Of Incorporation PRC
Beijing Zhonghuan Chuanyin Technology Co., Ltd. ("Zhonghuan")  
Disclosure Of Major Subsidiaries And Variable Interest Entities [Line Items]  
Date of Incorporation Apr. 22, 2020
Percentage of Direct or Indirect Ownership, VIEs 100.00%
Principal Activities, VIEs Provision of services
Place Of Incorporation PRC