veri code
https://www.pdflibr.com/ (china phone support)
http://www.freeonlinephone.org
http://www.receivesmsonline.net
http://receivefreesms.com
http://receive-sms-now.com
http://www.receive-sms.com

https://www.spoofbox.com/zh/tool/trash-mobile
http://receivesmsonline.com/
https://smsreceivefree.com
https://zh.mytrashmobile.com/numbers
https://www.receive-a-sms.com
receivesmsonline.eu
https://www.receive-sms-online.info
mfreesms.com/receivesms.php
smsget.net/en
receive-sms-online.com
https://www.receivesms.net
receivesmsonline.me
freesmsverification.com
receivesmsverification.com
https://sms.ndtan.net
receivefreesms.net
freereceivesmsonline.com
https://getfreesmsnumber.com
https://sms-online.co/receive-free-sms
https://www.temp-mails.com/lan/zh/Number
https://globfone.com/send-text/
https://www.textnow.com/
http://www.heywire.com/
http://www.lleida.net/en
https://www.pinger.com/content/home.html
https://www.virtualphoneline.com/login/
http://sonetel.com/

mail
https://zh.mytrashmailer.com
https://www.temp-mails.com
http://www.yopmail.com
24mail.chacuo.net/enus
mail.bccto.me
https://www.moakt.com/
https://10minutemail.net/
https://www.guerrillamail.com
https://trashmail.com
https://10minutemail.com
www.nowmymail.com
mailcatch.com/en/disposable-email
www.incognitomail.com
www.mintemail.com
https://www.spamgourmet.com/index.pl
www.gishpuppy.com
https://jetable.org/en/index
www.mailinator.com
https://maildrop.cc
www.maildu.de
www.abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijk.com/login.php
mailnesia.com/zh/
https://10minutemail.org/
http://mail.hainan.net/home/hnonline/index.jsp
http://mailnull.com/
https://sneakemail.com/

random identity
www.haoweichi.com/Index/random
https://www.fakenamegenerator.com
https://www.fakeaddressgenerator.com
https://www.getnewidentity.com/fake-identity.php
https://tw.51240.com
us.2kz.net

clipboard
https://cl1p.net/
https://privatebin.net/
https://pastebin.com/

temp file transfer
https://www.file.io
https://send.firefox.com/
https://file.pizza/
https://reep.io/
https://onionshare.org/
http://ge.tt/
https://volafile.org/

burn after read
https://privnote.com/