> ## Documentation Index
> Fetch the complete documentation index at: https://docs.gravitex.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Do I need a proxy to use the API?

> Learn about GravitexAI network access and whether you need a proxy or VPN

## Short Answer

**No proxy needed, direct connection works.** GravitexAI supports direct access from China without any proxy or VPN.

## Network Access

### Users in China

**Direct Connection**

* ✅ No proxy or VPN required
* ✅ Direct access to `api.gravitex.ai`
* ✅ Enterprise dedicated line with excellent quality
* ✅ Low latency, high stability

### International Users

If you're using GravitexAI from overseas:

* 🚀 Faster access speeds
* 🌐 Direct international routing
* ⚡ No additional configuration needed

## Troubleshooting

In rare cases, you may encounter these issues:

<AccordionGroup>
  <Accordion title="HTTPS Certificate Issues">
    SSL/TLS certificate verification failed

    **Possible causes**: Incorrect system time, incomplete certificate chain

    **Solutions**:

    1. Check and sync system time
    2. Update system root certificates
    3. Try a different network
  </Accordion>

  <Accordion title="Connection Issues">
    Connection timeout or unable to connect

    **Possible causes**: Local network restrictions, DNS resolution problems

    **Solutions**:

    1. Change DNS server (e.g., 8.8.8.8 or 1.1.1.1)
    2. Check firewall settings
    3. Try mobile network
  </Accordion>
</AccordionGroup>

### Alternative: HTTP Address

If you can't resolve the above issues, we provide HTTP access as a fallback.

<Warning>
  HTTP is unencrypted and should only be used as a temporary solution. Contact support for the HTTP address.
</Warning>

## FAQ

<AccordionGroup>
  <Accordion title="Why can China users connect directly?">
    We use compliant enterprise dedicated lines to ensure stable, fast service access for users in China.
  </Accordion>

  <Accordion title="What's the difference between HTTPS and HTTP?">
    * **HTTPS** (recommended): Encrypted transmission, high security
    * **HTTP** (fallback): Plain text, only use temporarily when HTTPS fails
  </Accordion>

  <Accordion title="How to check if network connection is working?">
    Test with these commands:

    ```bash theme={null}
    # Test API connection
    curl -I https://api.gravitex.ai

    # Test DNS resolution
    ping api.gravitex.ai
    ```

    If you get a normal response, the network is working.
  </Accordion>
</AccordionGroup>

## Network Optimization Tips

**Improve access speed**

* 🕐 Ensure accurate system time (avoid certificate errors)
* 🌐 Use stable DNS (e.g., 8.8.8.8 or 1.1.1.1)
* 📡 Prefer wired over Wi-Fi
* 🔄 Regularly update root certificates

## Support

For network issues, contact support:

<Card title="Email Support" icon="envelope" href="mailto:bd@gravitex.ai">
  [bd@gravitex.ai](mailto:bd@gravitex.ai) - Technical support, fast response
</Card>