Best Match SpaceProxy Integration Guide: Multi-Accounting and MostLogin

Multi-accounting is a balancing act. If you run media buying campaigns, flip e-commerce stores, manage social clients, or scrape data at scale, you already know this. You can’t clean cookies and cache as a way around security anymore. Contemporary platforms deploy brutal AI-powered anti-fraud systems that scrutinise two things at once: device fingerprinting and network reputation.

One mismatch between the two, or two accounts crossing paths on the same IP, and your whole digital operation goes up in smoke.

You need a bulletproof setup for safe scaling. It is about a good combination of an anti-detect browser and clean dedicated proxies. In this playbook we will go over the strength of the combination of MostLogin and SpaceProxy to create a very secure environment to run multiple accounts without bans.

What is MostLogin?

MostLogin is an anti-detect browser that creates fully isolated and independent browsing environments. It doesn't disguise who you are – it creates a new you. It turns your Canvas, WebGL, AudioContext, fonts and OS parameters into highly realistic configurations. So every single profile you open looks like any web tracker running on a totally different, real piece of physical hardware.

SpaceProxy is?

The quality of your browser profile depends directly on the quality of the pipe that connects it to the Internet. SpaceProxy fills this gap with high-performance, separate IPv4 and IPv6 proxies in more than 110 countries. And that's why they're the go-to for multi-accounting.

Dedicated Lines: You have exclusive use of your purchased IPs So, you can avoid the “bad neighbor” syndrome of having your IP blocklisted due to someone else’s spam history.

Dual Protocol Architecture You don’t have to decide at setup time; they support HTTP(S) and SOCKS5 at the same time on the same port.

Lightning Fast Speeds Up to 100 Mbps connections from over 4,800 different networks and subnets No data caps

Exact Geo-Targeting: You can focus on specific subnets, cities and regions with flexible short-term rentals starting from only 5 days.

Why Login and SpaceProxy Are a Match Made in Heaven

Slip SpaceProxy’s clean network routing into MostLogin’s stealth browser containers and you’ve solved the core problems that trip most automation setups.

1. How to Prevent Finger Print Leaks Before They Happen

Triggers and bans usually come from network data not matching your machine data. If your proxy says you are in London but your browser WebRTC leaks out a local timezone in California, you are toast. MostLogin automatically reads your incoming SpaceProxy data and adjusts the profile’s WebRTC, locati0n parameters and system time zone to create a perfect unified identity.

2. Rock-Solid Session Stability

If you run long-running complex automation scripts, web scrapers, or Facebook Ad campaigns, a dropped connection is a disaster. Half-second IP leak burns old account. Dedicated infrastructure keeps your MostLogin instances alive and anchored for days on end, with no random mid-session disconnects.

3. Scalable and Affordable

If you buy individual IPv4 proxies for hundreds of TikTok or Google accounts, your budget will be gone in no time. SpaceProxy combats this by providing dedicated IPv6 proxies at a fraction of the price – sometimes pennies per IP. These IPv6 blocks are easy to deploy inside MostLogin and you can grow your operational footprint without breaking the bank.

How to set up SpaceProxy in MostLogin: Step-by-Step Guide

Get your new IPs working inside MostLogin profiles in under 2 minutes.

Step 1: Obtain Your Credentials

Log in to your dashboard via spaceproxy.net.

Go to section "New Order", select the type of proxy you need (IPv4 / IPv6), the country you want and the rental term and place your order. 

Once activated, you can check your assigned proxy details on your personal panel. Copy your connection string, which will usually look like: IP:Port:User:Pass

Step 2: Fill out the details in MostLogin

Register on the official MostLogin website and download the desktop client. Download the app, open it and log in to your account.

Click Create Profile or enter the settings of a previously created profile.

Open the Proxy Settings window.

Change your connection protocol to HTTP or SOCKS5 (both supported natively by SpaceProxy).

Just paste in your details in the boxes provided.

Step 3. Testing and Go-Live

Click the Check Proxy button. MostLogin will ping SpaceProxy server to check if the line is live, fast and secure.

Once you see the green success message, click on Confirm to Save.

Launch your profile to get a completely isolated window that only works through your clean SpaceProxy node. You can see the config on a site like pixelscan.net and see your score for 100% anonymity.

Top Tips for Setting Up Your Space

Stay Monogamous Do not use the same SpaceProxy IP for different MostLogin profiles. Strict 1 to 1 ratio (1 proxy per 1 account) to simulate real organic human activity.

Bulk Import via API: If you are creating dozens of profiles at the same time, don’t waste your time setting them up manually. Export the proxies from SpaceProxy to a text file and paste them into the batch-profile creator in MostLogin directly.

Match Your Location Histology: Be sure your proxy country matches the country in your registration or payment details for ultra-sensitive platforms like PayPal, Stripe, Facebook Ads Manager, etc.

The Bottom Line

Any attempt to cheat in the multi-accounting game will definitely lead to the loss of your data and assets. Using bad network proxies with an anti-detect browser or premium proxies on a regular browser is a half-measure that modern tracking scripts catch instantly.

Combine MostLogin’s fingerprint customisation with SpaceProxy’s dedicated, high-speed routing to own your digital footprint from end to end. It’s the cleanest, most reliable way to automate and grow your web operations—and never look back.

If you want to learn about managing high-volume accounts or need a step-by-step optimisation checklist for bulk profile setup via API, let me know! Would you like me to pull together that checklist for you?