AI Tools Access Guide

AI Tool Availability and Eligibility

Whether an AI tool works depends on more than your exit route. A typical workflow involves a network connection, a region check, authentication, product permissions and task execution. If a page loads, only some of those steps have succeeded. Seeing a model list doesn’t mean your account can use every feature shown. Start troubleshooting by defining the exact task: signing in to the web app, sending a chat, uploading a file, using editor autocomplete or calling an API from a script. Each task has different success criteria, so don’t treat access to the homepage as proof that the service works for your needs.

Start with the product and entry point

Check ChatGPT’s web app and developer API separately. To see whether a web subscription includes a feature or API billing is enabled for a project, check the relevant product dashboard; don’t infer one from the other. Claude also has separate web, developer console and third-party integration access. Gemini features may be available through consumer apps, developer tools or cloud projects, each with its own region, account and organization requirements. If access fails, confirm the domain and entry point, then consult the official help for that specific product. Don’t apply a fix for one product to another.

For Copilot, check where you’re using it. The browser assistant, features in office apps and coding assistants in developer tools don’t necessarily share the same authorization flow. Cursor’s chat, autocomplete, account authentication and terminal commands may also run through different processes. For Midjourney, check its current official access options and account permissions. These tools may rely on external identity providers or resource domains, so being able to open another page from the same brand is a clue—not proof that the entire service is available.

Separate network access from platform eligibility

An accessible exit route doesn’t change your actual location, the region associated with your account or your organization’s eligibility. Platforms may check supported regions, terms of use, account status and payment requirements. Use services in line with their requirements. If a product isn’t offered in your region, repeatedly switching routes isn’t a way to gain eligibility. For school or work accounts, check whether your administrator allows external AI tools, restricts uploads or has disabled specific features. Only your organization’s administrator can grant those permissions; a network service cannot.

Distinguish connection problems from content issues, too. If the platform receives a request but rejects it because of model capabilities, content policies or file format, revise the task or consult the product documentation. Network optimization can’t make a model accept unsupported input or lift account restrictions. The exact message and where it appeared are far more useful for diagnosis than a vague report that something “doesn’t work.” If an error includes account or request identifiers, remove personal information before sharing it publicly; keep only what’s needed to identify the error type.

VPNFK provides cross-border network connectivity. The relevant platform determines whether an AI tool is offered, whether an account is eligible and which models are available. Coverage does not guarantee access to any particular AI product.

To establish a baseline, start with a simple text task that contains no sensitive information. Verify sign-in and a basic response, then test longer answers, attachments and plugins. Change one condition at a time and note what differs between success and failure. This gives you a reproducible workflow instead of a one-off success. For an overview of VPNFK’s service, see the AI tools guide. To understand the basics of subscriptions, nodes and split tunneling, read the VPN glossary, then continue with the network checks below.

Exit IP, region and connection path

The service sees the network environment from which a request arrives, not the route name shown in your client. A node name can help you choose a region, but it doesn’t tell you the exit location the platform actually detects. Routes may use intermediate hops, and geolocation databases can disagree about an IP address. If a region warning appears, check the selected node, the proxy mode actually in use and the message shown by the platform. Don’t assume the platform is wrong just because of a node name, and don’t skip checking the app’s own network path just because ordinary websites load.

IP risk checks involve more than one signal

AI platforms may consider the network an address belongs to, activity from other users of a shared exit, account history, session changes and request patterns. Platforms keep their specific policies private, so an error message alone can’t reveal the full rules. Claims such as “data center IPs never work” or “this type of IP always works” are too absolute. Other activity from users sharing an exit may affect how a platform views that address, but seeing a verification page doesn’t necessarily mean your account has been penalized. First distinguish a temporary verification step from an explicit region warning or account restriction, then decide what to do next.

Frequent region changes make results harder to compare and can trigger additional identity checks. A better approach is to choose an exit that meets the tool’s requirements and keep the network path reasonably stable during a session. If you need to compare routes, finish the current task, note its status, then switch to another candidate and repeat the same operation. If changing routes restores one product while other services continue to work, that narrows the issue to the combination of that product and exit—but it doesn’t prove permanent availability.

DNS, the proxy and the app may take different paths

In rule-based mode, requests are routed according to domains or rules. Matching the main page’s domain doesn’t mean the identity provider, file storage and static resource domains are covered too. Where DNS lookups happen also depends on the client mode, resolver settings and app implementation. Local versus proxied DNS can affect symptoms, but not every failure is a DNS problem. First identify whether it fails during name resolution, connection setup, the TLS handshake or after receiving a server response.

Global mode can help reveal missed routing rules, but it isn’t a universal fix. Some command-line programs ignore the system proxy, so they may connect directly even when the browser uses a global proxy. Conversely, an app’s own proxy setting may override the system configuration. Start by identifying which process sends the request and which settings it reads, then check whether the client’s connection log shows the relevant domain. When sharing logs, include only the domain and error type; never expose a full address containing authentication information.

Route type describes the connection path, not platform authorization

Dedicated lines, relays and direct connections describe different ways of organizing a network path. Actual performance also depends on local access, exit routing, the destination service and time of use. For long AI responses, sustained data transfer and connection stability matter more than how quickly a page first loads. Image tasks also depend on successful uploads and result downloads. Don’t rank a route by a single page load or treat a route label as proof of platform approval. VPNFK covers 90+ countries / 250+ routes. See the nodes page for regions and route details.

Corporate networks, campus networks and managed devices may pass through additional proxies or security gateways. If your system requires an organization-managed setup, follow it; don’t install certificates from unknown sources to make errors go away. For certificate issues, check the device clock, certificate issuer and administrator guidance. Don’t conceal the problem by disabling verification. Once these checks are complete, compare candidate routes so local security policies aren’t mistaken for exit quality issues.

Account setup and sign-in sessions

First identify who handles authentication. An AI product may use its own account system, redirect to an external identity provider or, for work accounts, send you to your organization’s single sign-on page. Being able to load the page with the sign-in button doesn’t mean every redirect will complete. If sign-in loops, note the last domain you reach, whether the message comes from the identity provider and whether the client routes requests to the relevant domains. Don’t keep submitting your password across multiple pages; that adds noise to troubleshooting and may trigger account protection.

Your VPNFK account and AI platform accounts are separate

VPNFK doesn’t require an email address; you can create an account with a username and password. This describes VPNFK’s account requirements only—not those of ChatGPT, Claude or any other AI platform. Follow each third-party tool’s official requirements for identity information, eligibility and verification. Use a unique password for each service and store it securely with a trusted password manager. A successful VPNFK client connection doesn’t mean you’re signed in to an AI product; likewise, a saved AI platform session in your browser doesn’t prove your VPNFK subscription is active.

Before creating a third-party account, review the product’s supported regions, age requirements and rules for organizational use, and confirm you’re using an official access point. Don’t rely on sign-in links forwarded by others or import session credentials into browser extensions from unknown sources. Shared accounts can cause confusing permissions, sessions that sign each other out or exposed data—and make it harder to tell who changed a setting. For team use, rely on the platform’s organization and member management features instead of sharing personal account details with colleagues.

Cookies and redirects can break the sign-in flow

Sign-in typically requires the browser to store session information, then return your identity to the original product through a callback page. Strict privacy extensions, blocked scripts, disabled storage or an incorrect device clock can break this flow. To compare, try a clean browser profile while keeping the same network route. Don’t start by clearing all browser data: save any unfinished work and check how to recover your account first, then clear data only for the relevant sites to avoid signing out of other services.

A private browsing window can help show whether existing site data contributes to the issue, but it may also enforce stricter storage rules, so the result isn’t definitive. If sign-in fails in a regular window but works in a clean profile, check extensions and site permissions one at a time. If both fail on the same identity page, check that domain’s connection, your account status or platform incidents. Also check the system clock: authentication tokens and secure connections depend on accurate time, and changing routes usually won’t fix a clock issue.

Network configuration can help a request reach the right entry point, but it can’t replace account review. For explicit eligibility, suspension or identity verification messages, use the platform’s official support process.

A stable session is easier to diagnose than repeated refreshes

During sign-in, avoid changing your exit route, switching browser profiles and resetting your password all at once. Changing several things makes it hard to know what resolved the issue and can create an inconsistent session history for the platform. Instead, keep the device and network stable and complete the current verification. If it fails, note the message, pause repeated attempts and check the official help or account notifications. For work single sign-on, also check whether the organization session has expired, the app is assigned to your account and the administrator restricts access from external networks.

If a page says your account is restricted, first check whether you can still access the official account center and see what the restriction covers. Lack of access to a particular model, an incomplete organization invitation and a disabled account are different issues. Keep the date and time, product entry point, steps taken and exact message. Never include passwords, keys, cookies or recovery materials in public troubleshooting attachments. If you contact support, use only the platform’s approved channels and share only the necessary information; don’t hand over your account to a third party claiming it can remove restrictions.

After signing in, verify the specific task: make sure the expected account and organization are displayed, open a new session, submit an ordinary question with no personal information and check that you get a complete answer. Seeing an avatar doesn’t mean the task succeeded. If the issue concerns plan activation or importing your VPNFK subscription, return to the quick-start guide. If it concerns a third-party account review, use that platform’s support process instead of mixing up the two accounts.

Web chats and streaming responses

An AI web app isn’t a static page that stops working once it loads. It may fetch account details and model settings, send a chat request, then continuously receive generated content. A working input box and visible chat history only show that some requests succeeded. If a response starts and then stops, the interruption may be in the ongoing data stream, or the platform may have finished the task without the page updating correctly. Keep the current content, check whether the task is still running and only then consider refreshing, so you don’t lose unsynced input or output.

Why long-lived connections reveal more issues

Streaming responses deliver results in chunks, often using server-sent events, though some products use other persistent connection methods. The connection must remain open across your local network, proxy, intermediate gateways and the destination platform. A break at any point can affect what appears on the page. Device sleep, network changes and managed gateway policies can also interrupt a stream. These causes differ from a timeout on initial access, so a fast-loading homepage doesn’t prove that long-running tasks are free of network issues.

Some intermediate proxies buffer responses, making it look as if nothing is happening before a block of content suddenly appears. The platform may also still be processing the task and have nothing to display yet. Check whether the request is still active, whether it has received a response and whether the platform provides task status. Don’t repeatedly resend the same prompt just because no text appears while you wait; duplicate tasks may use up your quota, and image or file operations may create duplicate results. If the product keeps a task history, check it before retrying.

Use browser tools to locate failed requests

The browser’s developer-tools Network panel can help distinguish page resources, authentication, chat and file requests. Open it, repeat a minimal operation and check the failed request’s domain, type, status and time to failure. You only need to know where the request failed; don’t share its full contents. Request headers may contain credentials, and request bodies may contain entire conversations. Network exports may include this information too. Before sharing a screenshot, crop out authentication fields, personal content and URLs with signed parameters.

If ordinary text works but file uploads fail, check file requirements, product permissions and whether the upload domain is reachable. If an upload succeeds but processing fails, distinguish a parsing error from a usage limit or resource access issue. If an answer is generated but an image won’t display, check the download request for the result resource. Calling all of these “AI not working” obscures key evidence. Routing rules should cover the resource domains your task actually uses, but don’t bulk-import rules from unfamiliar posts without understanding them; they could change paths for other apps.

Compare browser extensions and local state

Content blockers, script managers, privacy tools and translation extensions can all change page behavior. To troubleshoot, compare with a clean browser profile, then re-enable necessary extensions one at a time instead of permanently disabling all protections. Keep your exit and account unchanged and compare the same request. If it fails only when a particular extension is enabled, check that extension’s blocking log or official compatibility notes. If an extension on a managed device was installed by an administrator, contact them; don’t remove organizational security controls as if they were ordinary browser options.

Your final check should cover the real workflow, not just a simple greeting. For long-form use, confirm the response continues to completion. For files, complete the upload, processing and result retrieval. For images, make sure the generated result opens. Use test materials that contain no client data, trade secrets or personal information. After recovery, keep the settings that you can reproduce and note which change helped. Without clear evidence, describe the issue as temporarily resolved rather than claiming that a route or browser has permanently fixed everything.

API permissions, billing and request diagnostics

An API call is a program accessing a service on behalf of a project, so authentication, usage limits and network routing each need separate checks. Web sessions typically rely on browser state; APIs usually require a project key, organization or project settings, and the correct endpoint and request format. A successful web sign-in doesn’t prove a script has API access, and a working web subscription doesn’t mean API billing is enabled. First confirm which official API you’re calling and which project it belongs to, then follow that API’s documentation. Don’t rely on vague “compatible” labels in third-party tools.

Check the request contract before changing routes

The base URL, path, authentication header, model name and request body together define the request contract. Even platforms that all offer chat may use different fields and event formats. Copying one provider’s example and changing only the domain can produce an invalid format or unsupported path. Some SDKs append the path automatically; entering the full endpoint in a base URL field can duplicate it. Check the SDK’s definition of that field and inspect the actual destination URL. Don’t rely on a configuration string that merely looks right.

A valid key and sufficient permissions are separate checks. A key may have been revoked, belong to another project or lack access to the requested resource. A project may not meet billing requirements, or organization policies may restrict certain models. If the server returns a clear authentication, permission or usage-limit message, fix the relevant configuration first instead of switching routes to hide the evidence. Record the error type, request ID and stage only. Never put full authentication headers or keys in logs, screenshots, repositories or support tickets, and don’t dump all environment variables.

Start with a connectivity check that uses no credentials

The command below only checks how the current terminal resolves and connects to an example site and completes its handshake. It doesn’t test AI platform permissions or prove that an actual API works. Since it carries no key, it can first confirm whether the terminal can make a regular HTTPS request. Its output may still expose local network details, so review it before sharing. Then use the target platform’s official example to test the real API with a request that contains no sensitive information. Success at the example site isn’t a final verdict.

curl --head --verbose https://example.com

When debugging a real API, don’t publish commands that contain authentication information along with verbose output. Prefer an SDK’s safe logging mode, or record only the status, error type and request ID. Reduce the request body to a short, ordinary text prompt and remove files, tool calls and custom parameters. If the minimal request works, restore business parameters one at a time to tell whether the issue is the network path, permissions or a specific feature. If response parsing fails, verify that the response actually follows the expected API format and isn’t an HTML page returned by a gateway.

Design streaming, timeouts and retries together

For streaming API calls, the client must keep reading events or data chunks. A program shouldn’t parse an unfinished stream as complete JSON or assume each network chunk contains exactly one complete event. SDKs often handle chunking and event boundaries for you; consume the stream through their documented interface. If you write your own parser, follow the target platform’s stream format, handle end signals and error events, support user cancellation and retain received content after a connection failure. Don’t mistake a partial response for a complete result.

Connection timeouts, response wait timeouts and overall task deadlines are different. Set them according to your use case and the platform’s guidance; don’t simply wait forever. Retries aren’t a universal fix: correct format or permission errors first, and when the platform asks you to wait, follow its guidance with backoff and limited concurrency. If a network failure occurs, the server may already have accepted the task. Whether resubmitting creates a duplicate depends on support for idempotency or task lookup. Take extra care with uploads, batch jobs and tool calls that have side effects.

Track API and web results separately. If the website works but a script fails, check the running process’s proxy, certificates, SDK and project settings first. If the script receives a clear business error, a server has responded, but you should still confirm that it’s the intended endpoint. A network service transports requests; it can’t add platform quota or grant model permissions. Resolve billing and project issues in the AI platform dashboard. VPNFK plan details are on our plans page; the two services have separate billing.

Configure the environment for CLIs, IDEs and CI

In developer workflows, the key question is where the code runs. A desktop browser, terminal, editor extension, remote development host, container and CI runner may all use different network environments. A connected desktop client only proves that the relevant local path is working; it doesn’t mean a remote host uses the same exit. Before configuring anything, map the request chain: where the interface runs, where the plugin runs and which process actually calls the AI API. Once you identify the process that sends the request, you can configure its proxy, certificates and keys in the right place.

The terminal doesn’t automatically follow the browser’s route

Whether a command-line tool reads the system proxy depends on the tool and its runtime environment. Common programs may recognize HTTP_PROXY, HTTPS_PROXY, ALL_PROXY or their lowercase equivalents, but support and precedence vary. Follow the tool’s documentation; no single variable works as a universal switch. Get the client’s local listening address and port from its actual settings rather than copying someone else’s configuration. Match the proxy protocol too: HTTP and SOCKS proxies aren’t interchangeable just because their names look similar.

NO_PROXY lists destinations that should bypass the proxy, but matching rules vary by implementation. A rule that’s too broad may send an API request directly; one that’s too narrow can affect internal services. Check only variables relevant to the process you’re troubleshooting, and don’t print proxy addresses containing account information to logs. For a temporary comparison, use a separate terminal session and restore the settings afterward. Don’t add proxy settings to global configuration for all users and unintentionally reroute package managers, code repositories and internal systems.

An editor may run multiple network clients

Cursor and editors with AI extensions may run account sign-in, chat panels, autocomplete, extension hosts and integrated terminals as separate components. They may not share proxy settings; requests may also run in either local or remote processes. Check the product and extension documentation to distinguish app-level proxy settings from those of an extension. Follow the product’s guidance on whether related processes need restarting after a change; existing processes may not read updated environment variables. Closing a panel alone doesn’t mean the extension has reloaded its configuration.

Remote development can make it seem as if “sign-in works locally, but requests fail remotely.” A successful sign-in in your local browser doesn’t replace a test on the remote host. Send a minimal request from the environment that runs the SDK, and check whether the remote host can resolve the destination, complete the handshake and read the credentials. A loopback address inside a container usually points to the container itself, not the host; if the client listens only on the local machine, the container may not be able to reach it. Don’t broaden the listening address for convenience. Use a controlled access method from the platform documentation and restrict which sources can connect.

Configure CI networking and secrets separately

CI generally doesn’t use your desktop session; it uses the runner’s network. For a self-hosted runner, check the host and service process environment. For a hosted runner, follow its network and region requirements. Inject keys through the platform’s secret management system and use the least privilege needed for each job; never write them into workflow files or image layers. Automatic log masking is not a reason to print full request headers or environment variables—encoding, truncation and concatenation can defeat masking. Also restrict secret access for jobs triggered by public branches or external contributions.

For certificate errors, check the runtime environment’s trust store, device clock and organization gateway requirements. Never disable certificate verification in production scripts, and don’t copy a temporary development-machine setting into a build environment. Verify the local terminal, editor features and automated jobs separately, and note where each setting comes from. VPNFK supports Windows / macOS / iOS / Android / Linux, with no device limit. This describes supported clients and simultaneous device use; it doesn’t mean a remote platform automatically inherits your local connection. Check each execution environment separately.

Rate limits, restrictions and troubleshooting

Troubleshoot by classifying the symptoms, not by reinstalling everything first. Determine whether the request left the app, reached the destination, received a clear response and failed during authentication, generation or resource retrieval. Keep a minimal set of reproduction steps and note the network, account and entry point. Instead of changing the client, browser and SDK all at once, hold most conditions steady and change one variable. Each test then adds useful information, and after recovery you’ll know which settings to keep instead of relying on an unexplained combination.

Sort errors into actionable categories

For connection timeouts and DNS failures, check the network path first. For authentication failures, check the session or key. For permission errors, check the project, organization and model. For usage-limit messages, review platform billing and usage. For region warnings, confirm the product’s supported regions and account eligibility. For platform outages or internal errors, check the official status information. This classification doesn’t decide the cause in advance; it identifies the next useful check. If the server’s message is clear, don’t reduce it to “unstable connection”—that only delays a fix you could make directly.

Platforms may apply rate limits by account, project, model, concurrency or other criteria; consult the product documentation for specifics. Normal responses include reducing concurrency, combining duplicate tasks, following server wait instructions and checking for background jobs that keep making calls. Don’t rotate accounts or keys to get around platform rules; that won’t fix the underlying design and may increase account risk. If multiple apps share a key, identify every source of requests and check for forgotten scripts, retry loops or unusual use following a leak.

If your account is restricted, stop repeating actions that won’t help

Explicit account restrictions may relate to eligibility, usage, payment status or a platform review; screenshots alone rarely reveal the cause. Check the account center and official notices to see whether the restriction affects one feature, an organization permission or the entire account. Changing your network exit can’t replace an appeal or guarantee reinstatement. When reporting the issue, describe what happened without inventing a cause based on unverified network rumors. Third parties claiming they can “unlock” an account may ask for your session or credentials; don’t hand over control of your account in exchange for an unverifiable promise.

If you suspect a credential has been exposed, revoke the relevant key or session on the platform first, then check project usage and application settings. Removing a string from code isn’t enough; replace exposed credentials through the platform’s process. Check repository history, build logs, shared screenshots and automation environments for copies. Distribute new credentials through a controlled mechanism and verify that each app uses the updated configuration. This is an account security issue, not something to distract yourself from with repeated speed tests or route changes.

Collect information that helps reproduce the issue

A useful report includes the tool and entry point, execution environment, steps taken, failure stage, exact message, whether the issue repeats and comparisons already tried. For network issues, describe your local connection and client mode. For API issues, share the request structure and error type with credentials removed. Don’t upload full conversations, client files, cookies or real subscription URLs. Review network logs for sensitive fields before saving them; share only relevant excerpts when possible. Focused evidence makes it easier to tell whether the issue belongs to the route, app or platform account.

Keep verification of a fix in scope. After web access returns, test one real feature. After an API recovers, check that the request completes and the response parses. For a persistent connection issue, make sure the stream runs to completion. If changing routes only restores access temporarily, record that comparison and keep monitoring; don’t call it a permanent fix. If nothing changed locally and the platform confirms an incident, wait for it to be resolved rather than resubmitting tasks. For general connection issues, see the FAQ. For a VPNFK subscription or client issue, submit redacted details through the customer portal.

Choosing routes and everyday maintenance

For everyday use, aim for a repeatable setup rather than constantly changing settings. First confirm the AI product’s supported regions and your eligibility, then choose candidate regions and test sign-in, a basic request, a long response and an attachment task. Keep the route and client settings that suit your regular work, and track network maintenance separately from account changes. Platform policies and product features can change, so a setup that worked before isn’t guaranteed to keep working. When a new, explicit message appears, check the platform’s official guidance again.

Choose for the task, not the label

For text chats, check whether the response completes. For coding assistants, check that requests continue during editing and that the terminal, extension and remote environment use the expected paths. For image and file tasks, verify the full chain from upload to processing to result retrieval. Compare candidate routes using the same account and task while keeping other conditions unchanged. Don’t present a subjective impression as a benchmark or infer AI account access from ordinary video playback. Services use different destinations, caching and risk checks.

When problems occur during peak hours, identify how broad they are. If all websites are slow, check local access and other devices’ network use. If one AI product is affected, check its status and the specific request. If only the current exit fails, compare candidate routes. For long responses that disconnect, also check device sleep, Wi-Fi changes and intermediate gateways. Some of the same principles apply to latency and packet loss in gaming, but the tasks differ. See gaming accelerators vs. VPNs for context, and don’t apply conclusions from one use case to another.

Budget for your subscription separately from AI platform costs

VPNFK monthly plans: ¥9.9/month includes 60GB, ¥18/month includes 250GB and ¥28/month includes 500GB. Data resets monthly on the activation date. Mid-cycle upgrades are prorated for the remaining days. Data packs are valid until used and never expire: ¥158/300GB, ¥358/1000GB and ¥658/3000GB. Choose based on your actual data needs and usage patterns. Text chat counts can’t be converted into a fixed data allowance because files, images, audio and resource loading all affect data use, and platform implementations may change.

These plans cover VPNFK network services only; they don’t include third-party AI subscriptions, API calls or cloud resources. Check the relevant platform for separate billing requirements, organization-use policies and model limits. VPNFK accepts Alipay / WeChat Pay / USDT, has no device limit and offers a 60-day money-back guarantee. For full details, see the plans, refund policy and terms of service. Check your network subscription and third-party account separately; a payment record for one doesn’t prove that the other has the right permissions.

Anonymous service with no logs is VPNFK’s service policy; it doesn’t replace an AI platform’s data policy. Prompts, files and account information shared with a third party remain subject to that platform’s and your organization’s rules.

Keep only essential settings and check the actual route regularly

Reduce duplicate proxy layers and conflicting settings on work devices. If you need an organization proxy, development proxy or container network, note what each one does and where its configuration comes from. Remove stale settings when you’re done with a project. Recheck real tasks after client updates, editor migrations, remote host changes or organization policy updates. When backing up configuration, don’t expose keys, subscription URLs or signed-in sessions. Documentation can record setting names and where to find them without copying sensitive values.

Treat results on each device separately. If a desktop browser works but a mobile device doesn’t, the cause may be app settings, the system network, account sessions or a different product entry point. VPNFK supports Windows / macOS / iOS / Android / Linux. Download clients from the customer portal after signing in. Use the client download page in the portal; don’t get installers or import subscriptions from unknown shares. For setup and subscription import, follow the quick-start guide. This page covers diagnostic principles and limitations.

Once you have a stable workflow, troubleshoot each issue in the same order: confirm the product entry point and eligibility, locate the failure stage, check the actual execution environment, run a minimal request, then compare routes under controlled conditions. After recovery, note the change that worked, undo temporary settings that didn’t help and save a redacted summary. The nodes page covers regions and routes; the plans page covers pricing; the FAQ covers common tasks; this page brings those clues together into a testable diagnostic process. That cuts down on wasted attempts and helps distinguish network capabilities from platform rules.