Limited but can be used for free:
APIs:
- https://api.getproxylist.com/proxy
- https://gimmeproxy.com/api/getProxy
- http://pubproxy.com/api/proxy
- https://www.proxy-list.download/api/v1/get?type=https (https://www.proxy-list.download/api/v1)
Links:
https://www.proxyscan.io/
https://proxy-daily.com/
https://free-proxy-list.net/
http://www.freeproxylists.net/fr/
https://proxyscrape.com/free-proxy-list
https://premproxy.com/
http://proxysearcher.sourceforge.net/Proxy%20List.php?type=socks
https://www.proxydocker.com/en/proxylist/search?port=All&type=All&anonymity=All&country=All&city=All&state=All&need=Google
https://proxydb.net/
http://nntime.com/proxy-updated-06.htm
https://www.proxydocker.com/
https://freevpn.ninja/free-proxy/txt
http://proxytime.ru/http
http://nntime.com/proxy-updated-07.htm
http://premiumproxy.net
https://www.proxydocker.com/en/proxylist/port/80
https://proxydb.net/?offset=60
http://free-proxy-list.net/anonymous-proxy.html
http://nntime.com/proxy-updated-10.htm
http://sslproxies24.blogspot.in/feeds/posts/default
https://proxydb.net/?offset=120
https://www.proxydocker.com/en/proxylist/port/9000
http://vipaccounts24.blogspot.com/
http://rootjazz.com/proxies/proxies.txt
https://www.spoofs.de/feeds/posts/default
http://www.vipsocks24.net/feeds/posts/default
https://www.proxydocker.com/en/proxylist/port/8088
https://proxydb.net/?offset=15
https://www.proxydocker.com/en/proxylist/port/8118
http://proxyape.com/
https://www.proxydocker.com/en/proxylist/search?port=All&type=All&anonymity=All&country=All&city=All&state=All&need=Social
http://nntime.com/proxy-updated-03.htm
https://proxydb.net/?offset=75
https://www.my-proxy.com/free-proxy-list-3.html
https://www.my-proxy.com/free-transparent-proxy.html
http://highbroadcast-proxy.blogspot.com/feeds/posts/default
http://socksproxylist24.blogspot.com/feeds/posts/default
https://www.proxydocker.com/en/proxylist/port/53281
https://proxydb.net/?offset=90
https://www.my-proxy.com/free-proxy-list-6.html
http://premiumproxy.net/anonymous-proxy-list.php
https://guncelproxy.com/
http://proxyandproxytools.blogspot.com/feeds/posts/default
https://55utd55.com/
https://www.proxydocker.com/en/proxylist/port/8123
http://proxylistchecker.org/proxylists.php?t=elite
http://free-fresh-proxy-daily.blogspot.com/feeds/posts/default
https://www.proxydocker.com/en/proxylist/port/3128
http://nntime.com/proxy-updated-05.htm
http://nntime.com/proxy-updated-09.htm
http://nntime.com/proxy-updated-01.htm
https://www.proxydocker.com/en/proxylist/port/10000
https://www.proxydocker.com/en/proxylist/port/8085
http://freshssh-list2018.blogspot.com/feeds/posts/default
https://worldproxy.info/
http://nntime.com/proxy-updated-04.htm
https://www.proxydocker.com/en/proxylist/search?port=All&type=All&anonymity=All&country=All&city=All&state=All&need=SEO
http://www.live-socks.net/feeds/posts/default
https://www.proxydocker.com/en/proxylist/port/8080
https://proxy50-50.blogspot.com/
http://nntime.com/proxy-updated-08.htm
https://proxydb.net/?offset=135
http://www.socks24.org/feeds/posts/default
http://www.megaproxylist.net/
http://feeds.feedburner.com/proxypandora
http://newfreshproxies24.blogspot.com/feeds/posts/default
https://www.proxydocker.com/en/proxylist/search?port=All&type=All&anonymity=All&country=All&city=All&state=All&need=BOT
http://getfreeproxylists.blogspot.com/
https://www.my-proxy.com/free-elite-proxy.html
https://www.sslproxies.org/
http://premiumproxy.net/http-proxy-list.php
https://www.my-proxy.com/free-proxy-list-10.html
https://www.proxydocker.com/en/proxylist/port/8888
https://proxydb.net/?offset=30
http://txt.proxyspy.net/proxy.txt
http://spys.ru/free-proxy-list/RU/
https://www.my-proxy.com/free-proxy-list-5.html
http://proxiatyomia.blogspot.com/feeds/posts/default
https://www.proxydocker.com/en/proxylist/port/65000
https://topproxy.info/
https://www.proxydocker.com/en/proxylist/port/1080
https://www.my-proxy.com/free-proxy-list-7.htmlv
https://www.my-proxy.com/free-anonymous-proxy.html
https://www.my-proxy.com/free-proxy-list-4.html
http://blog.proxies24.com/
https://www.proxydocker.com/en/proxylist/port/14
http://fineproxy.org/eng/fresh-proxies/
http://www.proxyserverlist24.top/feeds/posts/default
http://nntime.com/proxy-updated-02.htm
http://premiumproxy.net/https-ssl-proxy-list.php
https://www.socks-proxy.net/
https://www.my-proxy.com/free-proxy-list-2.html
https://proxydb.net/?offset=45
https://www.my-proxy.com/free-proxy-list.html
https://www.my-proxy.com/free-proxy-list-8.html
https://www.my-proxy.com/free-proxy-list-9.html
https://www.proxydocker.com/en/proxylist/type/HTTP
https://proxyfreaks.com/
https://www.proxydocker.com/en/proxylist/port/808