Guides
Get connected. Keep it working.
Set up your client, troubleshoot connection errors, and choose how your traffic rotates. Practical guides for your next step.
Руководства по прокси на русском →
Estimate your proxy bandwidthTurn requests, transferred data and retries into a GB planning amount.Open calculator Plan a price monitoring workloadScale a measured sample by products, markets and valid observations.Open plannerFind the guide you need.
Search by tool, error code or task.
38 guides
Connect and debug
PHP cURL proxy setup and authentication
Make a bounded HTTPS check through an authenticated HTTP proxy with PHP’s cURL extension and a prompted password.
Read the guide
Python urllib proxy setup and authentication
Use the Python standard library for one HTTPS request, with prompted credentials, explicit routing and checked errors.
Read the guide
Firefox proxy settings and authentication
Configure the native desktop browser settings, recognise the gateway sign-in prompt and restore your previous route after a small HTTPS check.
Read the guide
PowerShell proxy setup and authentication
Set a proxy for one PowerShell request, prompt for its credential and check the response before running a larger script.
Read the guide
Puppeteer proxy setup and authentication
Configure an HTTP proxy on a browser context, scope gateway authentication and check a small HTTPS navigation before a larger browser job.
Read the guide
Proxy requires a username and password
Identify the proxy asking for credentials, check the network setting and separate gateway sign-in from your device or website password.
Read the guide
Proxy settings: what they mean and how to check
Read manual and automatic settings, identify the application they affect and verify the route before changing your network.
Read the guide
Fix ERR_PROXY_CONNECTION_FAILED in Chrome
Separate a Chrome proxy connection failure from authentication, a refused CONNECT tunnel and a destination certificate error.
Read the guide
Proxy errors: find the cause and next check
Match the exact error to its failing stage and follow one targeted check before changing credentials or retrying a workload.
Read the guide
Use a proxy in Chrome with FoxyProxy
Add the gateway to a Chrome extension, limit it to chosen sites and check the exit IP before browsing.
Read the guide
Proxy connection refused or timing out
Separate a refused or unreachable gateway from a timeout, a wrong port and an answered tunnel, using curl’s code and message.
Read the guide
Wget proxy setup and authentication
Configure GNU Wget 1 with proxy authentication, explicit routing, certificate verification and bounded downloads.
Read the guide
Postman proxy server setup and authentication
A desktop walkthrough for proxy settings, a small HTTPS check and a controlled move to your API collection.
Read the guide
Axios proxy setup for Node.js
A tested Node.js Axios example with an explicit CONNECT agent, safe credential handling and bounded requests.
Read the guide
Go HTTP proxy setup with authentication
A standard-library Go example with explicit proxy routing, credential encoding, request limits and useful error checks.
Read the guide
Scrapy proxy setup with authentication
A tested Scrapy echo check with proxy authentication, explicit routing, TLS verification and practical crawl limits.
Read the guide
aiohttp proxy setup with authentication
An async Python example with proxy authentication, request deadlines, response limits and practical error checks.
Read the guide
HTTPX proxy setup for sync and async
Tested Python Client and AsyncClient examples with proxy authentication, explicit settings and response cleanup.
Read the guide
Python Requests proxy setup
A complete Python check with HTTP and SOCKS5, predictable settings and a practical failure checklist.
Read the guide
Playwright proxy setup and authentication
Configure Chromium and Playwright Test, verify the browser route and separate proxy credentials from website login.
Read the guide
Node.js fetch proxy setup with Undici
An explicit HTTP proxy dispatcher with safe credential handling, bounded requests and response cleanup.
Read the guide
Fix 407 Proxy Authentication Required
Read the gateway code, check credentials and balance, then separate a rejected HTTPS tunnel from an HTTP response.
Read the guide
How to test a proxy with curl
Prove the connection, the exit address and the rotation mode before you point a job at it.
Read the guide
HTTP proxy or SOCKS5: which to use
The real difference between the two ports, and which one your client should open.
Read the guide
Fix CONNECT tunnel failed: 403, 502 and 503
Read the proxy and destination statuses separately, then choose the next check for 403, 407, 502 or 503.
Read the guide
HTTPS_PROXY not working? Check your client
Check inherited variables, exclusions and client support when curl works but an application does not.
Read the guide
Sessions and traffic
Sticky proxy sessions: rotation and duration
Choose a rotation mode, understand session lifetime and keep the configuration consistent through a job.
Read the guide
How many GB of proxy traffic do you need?
Measure a sample, account for extra attempts and use the bandwidth calculator to plan an order.
Read the guide
Why a sticky session changed its IP
Check what changed between requests and separate a routing observation from an application failure.
Read the guide
What counts as proxy traffic?
Where a gigabyte actually goes, and the parts of a request people forget to count.
Read the guide
Cut proxy bandwidth in a headless browser
Interception in both browser tools, what it breaks, and how to measure the saving.
Read the guide
Choose and compare
Choosing proxies for web scraping
A buyer plan for collector output, client choice, bounded retries and measured traffic per usable record.
Read the guide
How to evaluate a residential proxy trial
A practical trial checklist: correct results, session continuity, useful timing measurements and traffic per completed task.
Read the guide
Mobile or residential proxies: how to choose
Where each pool comes from, what it covers, and a decision table by job.
Read the guide
See search results from another country
Start with region settings, then compare network, language and device signals in a recorded browser check.
Read the guide
Why a proxy shows the wrong country
Check the exit address, compare country lookups and separate network routing from browser and account settings.
Read the guide
Agents and automation
Where to go next
The pages these guides point at.
Mobile 4G/5G proxies
Carrier modems, with current country availability and devices online now.
Residential proxies
Opt-in peer devices, with the countries online now listed live, on the same balance as mobile.
Pricing per GB
One ladder for both pools, a calculator, the trial, refunds and payment methods.
Setup docs
The connection format, the username tokens, the API, webhooks and the error codes.