PProxyCrestPROXIES
Proxy guides: setup, sessions, troubleshooting and crypto — key facts: ProxyCrest offers 4G mobile and residential proxies in 195 countries with a pool of over 4.2 million IPs, 99.97% uptime, and no KYC requirement. Plans start at $1.90/GB with instant delivery and payment via BTC, ETH, USDT, USDC, SOL, TRX or LTC. Trusted by 12,000+ developers and data teams since 2021.
THE RESOURCE CENTRE

Understand. Configure. Get moving.

Practical guides to choosing a network, setting up your tools and finding the right fix when a connection fails.

ProxyCrest · ResourcesUpdated 1 October 2026
START HERE / CHOOSE YOUR NETWORK

Residential or mobile 4G?
Find your fit.

IP origins, sessions and budgets: compare both networks for your workflow.

Read the comparison
10 guides · 6 topics
Choosing01

Residential or 4G mobile proxies: which should you choose?

Compare IP origin, billing units, session stability and use cases to choose between residential and 4G mobile proxies.

Read the guide
Setup02

IP rotation and sticky sessions: understanding the difference

Choose rotating or sticky sessions, distinguish cookies from IP addresses, and define the continuity your workflow needs.

Read the guide
Setup03

HTTP, HTTPS and SOCKS5 proxies: choosing the right protocol

Understand CONNECT tunnels, HTTP and SOCKS5 proxies, and how socks5h changes DNS resolution.

Read the guide
Getting started04

Test a proxy with cURL: connection checks and troubleshooting

Run an initial cURL test with generic settings, understand the expected result, and check your setup before using it for real tasks.

Read the guide
Setup05

Check a proxy IP country and its browsing context

Check the exit country, language preferences, cookies and browser geolocation as separate parts of your test.

Read the guide
Troubleshooting06

Proxy errors 407, 403 and 429: identify the cause

Distinguish proxy authentication, target refusals, rate limits and timeouts before changing your configuration.

Read the guide
Choosing07

Estimate proxy data usage before choosing a plan

Estimate the traffic a workflow needs, account for resources and errors, and compare the cost per useful result.

Read the guide
Payment08

Fund your ProxyCrest balance with crypto and buy proxy plans

Top up from $25 USD, wait for payment confirmation and purchase proxy plans from your credited balance with the exact USD debit shown first.

Read the guide
Account09

No KYC: understanding account and payment data

What the ProxyCrest workflow asks for, what it records, and why no KYC does not mean no trace.

Read the guide
Getting started10

Prepare a reproducible proxy test in five steps

Define the scenario, prepare the context, check the exit, measure the outcome and keep useful evidence.

Read the guide