Looking for logging into the Web Service site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Web Service site. After that you can login as usual with your login credentials.
https://pt.stackoverflow.com/questions/218086/consumir-web-service-com-login-e-senha
https://www.devmedia.com.br/forum/como-consumir-um-webservice-via-http-com-login-e-senha/583346
https://social.msdn.microsoft.com/Forums/pt-BR/c50114cd-7382-4da4-99e3-464e55752fc0/como-consumir-webservice-via-http-com-login-e-senha-?forum=webgeralpt
http://www.guj.com.br/t/duvidas-json-login-com-webservice/347443
http://www.electre.com/webservice/login.asmx?op=loginUser
https://portal.classnk.or.jp/portal/
https://help.vtex.com/pt/faq/como-criar-usuario-webservice
http://eccportaltier.essex.edu:7777/portal/page/portal/ESXC/Login
https://moodle.org/mod/forum/discuss.php?d=201826
https://support.hp.com/br-pt/document/c05633000
https://communities.ca.com/blogs/TIAGOMACUL/2015/10/09/ca-sdm-webservice-metodo-de-login
https://www.prestashop.com/forums/topic/313908-webservice-login-via-a-webservice/
https://mbp.ambankgroup.com/mbpa/jsp