ColdProxy Developer Documentation
Connect, target, and automate ColdProxy proxies — gateway setup, the username tag scheme, per-language integrations, and the provisioning APIs.
Build your proxy string from your gateway host, a port in the 30000–34999 range, and your credentials:
gw-2312.coldproxy.com:30000:USERNAME:PASSWORDGetting started
Connect to ColdProxy and choose the right proxy product.
Connection
Gateway host, ports, authentication, and supported protocols.
Targeting & sessions
Geo-targeting, sticky vs rotating, and IP pinning via username tags.
Products
Connection specifics for each ColdProxy proxy product.
Integrations
Ready-to-use proxy setup for cURL, Python, Node.js, Selenium, Playwright, and more.
Tools & troubleshooting
Verify a proxy and fix common connection issues.
- Verify your proxy
- Common errors & fixes
- Sticky session not holding
- IPv6 reachability
- Avoiding TCP port exhaustion
+1 more in Tools & troubleshooting
Need a tailored proxy plan for a large project?
Need a different speed or traffic allowance? Contact us through the channels on our website so we can assess whether a custom plan is possible.