Proxy Tester



Examples:

  host:port                     -- protocol will be autodetected
  host:port:user:pass           -- protocol will be autodetected
  http://host:port:user:pass

  user:pass@host:port           -- protocol will be autodetected
  http://user:pass@host:port

  socks5://host:port:user:pass
  socks5://host:port
  socks5://user:pass@host:port
  

API

Price:

$30 monthly for 100 tests per hour.

Tests through WebApp are free.

All tests are:
PX is a proxy line. Can be

  
  host:port                     -- considered HTTP
  host:port:user:pass           -- considered HTTP
  http://host:port:user:pass

  user:pass@host:port           -- considered HTTP
  http://user:pass@host:port

  socks5://host:port:user:pass
  socks5://host:port
  socks5://user:pass@host:port
  
Request: 1. PX - proxy to be tested 2. set of TESTS to be tested 3. X-Customer token. ``` curl https://proxytest.proxysmart.org/testAPI -d '{"PX":"socks5://host:port:user:pass", "TESTS": [ "_test_https", "_test_dnsleak_UDP" ] }' --header "Content-Type: application/json" --header "X-Customer: customer999" ``` Response: is an array of 2: 1. Associated array of test results. 2. Array of verbose messages. ``` [ { "_test_dnsleak_UDP": { "TESTNAME": "DNSleak by UDP", "color": "green", "fullstatus": "OK 172.69.154.78 ( Cloudflare, Inc. ) , edns: NONE ; ", "shortstatus": "OK" }, "_test_http": { "TESTNAME": "HTTP ipv4 get ip", "color": "green", "fullstatus": "7.14.1.8", "shortstatus": "OK" }, "_test_https": { "TESTNAME": "HTTPS ipv4 get ip", "color": "green", "fullstatus": "7.14.1.8", "shortstatus": "OK" } }, [ "Testing proxy, socks5://localhost:4999" ] ] ```

News

2026-07-15 - Handling Ipv6 proxies
2026-07-12 - Added DNS RTT test
2026-07-09 - Added Ipv4/Ipv6 preference check
2026-07-04 - Added Raw IP Ipv4/Ipv6 check 
2026-07-01 - Added Ipv6 p0f check
2025-06-26 - Speed improved by running tests in parallel
2025-06-22 - Proxy protocol is autodetected

(c) proxysmart.org