Optimized for machine-to-machine communication, though humans welcome too.
Open free proxies, updated, and tested continuously. All proxies seen below were active the last time we tested.
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Looking for 100% uptime and sub-second latency on thousands of private proxies, see proxies for business below. Click to learn more about how we determine proxy anonymity, Google-usability, or browser user-agent filtering.
Not all API end-points or parameters are displayed above. Full API and documentation can be found here .
See the flux that is proxy availability. Proxies are frequently up-and-down, thus, let us do the aggregation and testing for you.
A human is only as good as his/her tools. Free proxies have inherent issues (i.e. uptime, reliability, latency, blocking by content/service providers, and trust). Though they may get you where you want to go, given enough patience, engineering, and trial and error... sometimes you get what you pay for. In the end, more pointed needs require more potent tools.
If you are looking to do web harvesting/scraping, automated data collection, volume scraping, or machine driven collection, you should absolutely check out Ntrepid's Enterprise-class Proxies, part of their Internet Operations Network (Ion). Through one secure proxy, requests are farmed out to thousands of highly available, low latency, frequently curated, and rotated private proxies. In other words, leveraging unreliable proxies requires mediation with uncertain outcome. Engineering hours are not free, so spend such on your core business, and leverage Ion for their turn-key enterprise class attribution network.
Free download files of active open proxies are updated twice daily and limited to 25 records. The complete real-time updated list of open proxies, presently active (1,611) and otherwise (815K), are available via the API. Pick your poison: CSV, JSON, or XML
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Resources on proxies (how to use them, what they are, ...)