Route AI requests through international routes in the relevant region, while keeping commonly used websites in mainland China on the local network. Verify the traffic path first, then check account access and any tool-specific restrictions.
Browsers, IDEs and command-line tools
Check proxy routing for each process separatelyAI domains → international routes
Choose a region supported by the toolSign in, submit a request and check the streaming response
Opening the website is only the first checkIllustrative routing diagram; it does not show the real-time availability of any tool. Network access does not include AI platform memberships, API credits or account permissions.
Using AI tools involves more than loading a webpage. Opening a page, authenticating, uploading files, submitting prompts and receiving streaming responses may involve different domains and connections. If the homepage loads, only some requests have reached the service. Failed sign-in redirects, interrupted responses or failed uploads may still point to routing rules.
Platforms typically use your exit IP to determine your region, but may also consider account region, billing details and their own policies. Check the tool’s official supported regions first, then choose a route in an eligible region. Changing your network exit cannot change account eligibility or replace a required subscription or authorization.
Exit IP risk controls and regional eligibility are separate issues. Platforms may request additional verification for shared exits, frequent changes in sign-in location or unusual request patterns. If prompted, stick to the same region and session environment, and follow the official process. VPNLJ route types do not imply a dedicated IP or guarantee any particular account treatment.
Streaming responses depend on a connection that stays open. Continuity, client sleep settings and how the proxy handles long-lived responses matter more than page-load speed alone. IEPL, transit and direct routes describe network paths; their names do not guarantee access to a particular AI tool. Actual results depend on the target region, exit and local network.
The following suggestions are for troubleshooting and route selection, not an access guarantee. Supported regions, product entry points and account policies can change. Check each platform’s current guidance and test the actual connection.
| Tool | Network considerations | Route requirements | How to test |
|---|---|---|---|
| ChatGPT | Supported regions, sign-in redirects, streaming responses and file requests | An international route in a supported region with a stable exit and reliable streaming responses | Sign in, submit a request, then test the response and file features |
| Claude | Account eligibility by region, identity checks and long-lived sessions | A route that meets regional requirements and keeps the same exit during sign-in and conversations | Test web chat and API access separately; verify permissions and connectivity for each |
| Gemini | Google account status, product region and related resource domains | A route that meets product-region requirements and correctly handles authentication and resource requests | Check the specific product entry point and account notices, not just the homepage |
| Copilot | Product version, account type and the proxy path used by the browser or editor | A route that covers the relevant service domains and supports authorization redirects and persistent connections | Test authorization and completion requests separately in the web app and IDE |
| Midjourney | Product entry point, task submission, image resources and download paths | A route that reaches both task APIs and image resources and supports continuous transfers | Troubleshoot task submission and image loading separately |
| Cursor | Editor process, model permissions, proxy inheritance and streaming responses | A route that the editor actually uses and that can reach the model service | Check editor settings and diagnostics, then test chat and completions |
Copilot can refer to different products, so confirm whether you mean a web assistant or a coding feature before troubleshooting. Gemini’s web product and developer API are also separate. Being able to open the Cursor account page does not mean the editor is using the same network path. For these tools, identifying the right entry point is more useful than repeatedly changing regions.
Before creating an AI platform account, check its officially supported regions, age requirements, account types and payment conditions. Network access and platform eligibility are separate. Don’t assume a region restriction, missing organization permission or unavailable product is a speed issue.
Authentication may redirect to an identity provider before returning to the tool. If only the chat domain uses an international route, the authentication redirect may take a different path, causing sign-in loops or expired sessions. Check that the browser allows required site data, the system clock is correct and authentication domains follow the intended routing rules. Don’t clear all browsing data repeatedly before noting the error.
Keep the same region and exit throughout a sign-in session, and don’t switch routes while a verification page is loading. If the platform asks for additional verification, follow its official process. If your account is restricted, check its notifications or contact platform support instead of making repeated attempts. A network service cannot complete AI platform verification or guarantee an account review outcome.
Web apps rely on browser sessions, authentication state and resource loading. Test by submitting a request and checking that the response completes, then verify any needed features such as file uploads. Browser extensions, site data restrictions and local sleep settings can all disrupt connections.
Check web membership and API access separately. A web subscription does not grant API credits.
API requests also depend on key permissions, model access, available balance and service limits. Authentication errors, insufficient credits and network timeouts require different fixes. Clients should distinguish connection timeouts from response timeouts; streaming modes must also read data as it arrives.
Follow the platform’s guidance when retrying. A network interruption does not mean the server failed to process a request; blind retries can create duplicate tasks and charges.
When developers say “fixed exit,” first distinguish between consistently using the same route and getting a dedicated, static public IP. They are not the same promise. This page does not describe VPNLJ routes as a fixed-exit product. If your service requires IP allowlisting, confirm route capabilities and terms first; don’t build production dependencies around a route name alone.
A browser using the system proxy does not mean command-line tools use it too. Check the tool’s documentation to see whether it supports the system proxy, proxy environment variables or its own settings. Common variables include HTTP_PROXY, HTTPS_PROXY and NO_PROXY, but support depends on the program and runtime. The variable names also don’t tell you which proxy protocol is in use.
Read the local proxy address and port from the client’s actual settings; don’t copy configuration from another device. After changing environment variables, you may need to restart the terminal or app. First test whether requests reach the official API, then verify authorization so key errors aren’t confused with connection errors. Keep keys in secure local configuration or environment variables, never in public code or screenshots.
An IDE’s integrated terminal reaching an API doesn’t mean its extension uses the same proxy. Check the IDE’s network settings, extension documentation and diagnostic output to see whether authorization and model requests follow the intended path. Reload the relevant processes after changing settings, then test chat and completions. Keep the error category for troubleshooting.
With remote development, containers or subsystems, check where requests actually originate. A remote extension does not automatically inherit your local computer’s network exit, and a local address configured on the remote machine refers to that machine. Test the connection in the environment that sends the request, not only in a desktop browser.
Cloud CI jobs won’t use VPNLJ just because it’s connected on your local machine. Check the runner’s location, outbound policies and the platform’s rules for automated access, then configure an allowed network path. Inject credentials through protected CI variables and mask sensitive fields in logs. Don’t put accessible proxy or subscription details directly in a repository.
Set reasonable concurrency for automated jobs. Distinguish service limits from network interruptions, and keep traceable logs that don’t expose sensitive information. Assess whether subscription routes suit your production requirements; VPNLJ does not replace AI platform API guarantees or usage management.
First check that authentication domains and redirect requests follow the intended path, then check site data, browser extensions and system time. If the page identifies an account eligibility or organization permission issue, follow the platform’s process; switching routes repeatedly won’t grant authorization.
Possible causes include an interrupted persistent connection, local sleep settings, client timeouts, platform load or usage limits. Keep the same exit, check client connection logs and platform status updates, then compare web and API behavior. One interruption alone isn’t enough to identify the cause.
Check whether the program inherits the proxy, whether the proxy protocol matches and whether requests originate in a container or remote environment. Test the path in each relevant process environment. A working browser doesn’t mean every program automatically uses the system proxy.
Read the response first and check key permissions, model access, usage and platform limits. These issues usually need to be resolved in the platform account or application logic. Switching exits frequently adds variables without restoring credits or raising account limits.
Images and files may be served from separate domains. Check whether their requests are missing routing rules, then verify file type, permissions and platform restrictions. Logging resource and chat requests separately makes the paths easier to manage than switching to global mode and leaving it on.
For everyday web chat, start with a route in a region officially supported by the tool. Test sign-in and streaming responses, then keep the same path for regular use. Frequent region changes make troubleshooting harder. For images, files and code repositories, check the relevant resource domains too; keep commonly used websites in mainland China on the local network.
For IDE and API development, focus on whether requests actually use the proxy, connections stay open and errors can be classified—not on which route name sounds fastest. During peak hours, compare the actual performance of IEPL, transit and direct routes under the same tool, region and request conditions. This helps avoid mistaking platform status changes for route differences.
VPNLJ covers 90+ countries with 190+ routes and supports Windows, macOS, iOS, Android and Linux, with unlimited simultaneous devices. Unlimited device connections do not mean AI platform accounts can be shared without restriction; each tool has its own account and authorization rules.
For regular, ongoing use, compare monthly plans: ¥9.9/month for 60GB · ¥18/month for 250GB · ¥28/month for 500GB. Data resets monthly on the activation date; mid-cycle upgrades are prorated by the remaining days. For occasional use, compare data plans: ¥158/300GB · ¥358/1000GB · ¥658/3000GB. Data lasts until used and never expires. Plans provide network access only, not paid AI platform benefits.
VPNLJ accepts Alipay, WeChat Pay and USDT, and offers a 7-day no-questions-asked refund. Test sign-in, chat and developer-tool routes in your actual setup, then choose a billing option based on your usage. See the server page for route coverage and the plans page for full pricing and billing details.