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AI services like Claude, ChatGPT, and Perplexity are highly sensitive to outbound IP quality. If you route through a standard datacenter VPS proxy, you’ll often hit:

  • Login verification codes
  • Identity re-verification requests
  • Restricted features (Claude Projects, ChatGPT Plus capabilities, etc.)
  • Silent request throttling

The reason: these services’ fraud detection identifies IP origins. Datacenter IPs carry the known “proxy traffic” fingerprint; residential IPs don’t.

The solution: route AI traffic through residential proxies while keeping regular traffic on VPS nodes.

Architecture Overview

Your machine
  ├─ AI service requests (api.anthropic.com / api.openai.com / ...)
  │    └─ Surge → Residential proxy (SOCKS5/HTTP, home ISP exit)
  └─ Other traffic
       └─ Surge → VPS node (REALITY / Hysteria2)

Residential proxies can be:

  • Home router + public IP (optimal, completely authentic residential IP)
  • Commercial residential proxy service (IPRoyal, BrightData, etc., pay-per-use)

This guide uses the first approach (router forwarding); the second works identically—just swap the proxy address.

Surge Configuration

1. Add Residential Proxy Node

In the [Proxy] section of your Surge config:

[Proxy]
# VPS node (REALITY)
Reality-HK = vless, your-vps-ip, 443, username=your-uuid, tls=true, tls13=true, sni=www.apple.com, vless-flow=xtls-rprx-vision, reality-public-key=your-pubkey, reality-short-id=your-shortid, client-fingerprint=chrome

# Residential proxy (SOCKS5, pointing to home router's forwarding port)
Residential-Home = socks5, your-home-public-ip, proxy-port

If the residential proxy requires authentication:

Residential-Home = socks5, your-home-public-ip, proxy-port, username=username, password=password

2. Create Proxy Groups

[Proxy Group]
# AI-only group: uses residential IP
AI-Proxy = select, Residential-Home, Reality-HK, DIRECT

# Regular proxy group: uses VPS
Global-Proxy = select, Reality-HK, Residential-Home, DIRECT

# Auto speed selection (non-AI traffic)
Auto-Best = url-test, Reality-HK, url=http://www.gstatic.com/generate_204, interval=300

3. Routing Rules

[Rule]
# Claude
DOMAIN-SUFFIX,anthropic.com,AI-Proxy
DOMAIN-SUFFIX,claude.ai,AI-Proxy

# OpenAI / ChatGPT
DOMAIN-SUFFIX,openai.com,AI-Proxy
DOMAIN-SUFFIX,oaistatic.com,AI-Proxy
DOMAIN-SUFFIX,oaiusercontent.com,AI-Proxy
DOMAIN-KEYWORD,openai,AI-Proxy

# Perplexity
DOMAIN-SUFFIX,perplexity.ai,AI-Proxy

# Google Gemini / AI Studio
DOMAIN-SUFFIX,generativelanguage.googleapis.com,AI-Proxy
DOMAIN-SUFFIX,aistudio.google.com,AI-Proxy

# Copilot
DOMAIN-SUFFIX,copilot.microsoft.com,AI-Proxy
DOMAIN-SUFFIX,github.com,AI-Proxy
DOMAIN-SUFFIX,githubcopilot.com,AI-Proxy

# Other international traffic
GEOIP,CN,DIRECT
FINAL,Global-Proxy

4. Rule Order Explanation

Surge matches rules top-to-bottom; the first match wins. AI domains go first to ensure they hit the residential proxy and don’t accidentally fall through to Global-Proxy.

mihomo (Clash Meta) Version

mihomo follows the same logic with different config syntax:

proxies:
  - name: "Reality-HK"
    type: vless
    server: your-vps-ip
    port: 443
    uuid: your-uuid
    network: tcp
    tls: true
    flow: xtls-rprx-vision
    reality-opts:
      public-key: your-pubkey
      short-id: your-shortid
    servername: www.apple.com
    client-fingerprint: chrome

  - name: "Residential-Home"
    type: socks5
    server: your-home-public-ip
    port: proxy-port
    # username: username
    # password: password
    udp: false    # Home SOCKS5 typically doesn't support UDP

proxy-groups:
  - name: "AI-Only"
    type: select
    proxies:
      - Residential-Home
      - Reality-HK

  - name: "Global"
    type: select
    proxies:
      - Reality-HK
      - Residential-Home
      - DIRECT

rules:
  - DOMAIN-SUFFIX,anthropic.com,AI-Only
  - DOMAIN-SUFFIX,claude.ai,AI-Only
  - DOMAIN-SUFFIX,openai.com,AI-Only
  - DOMAIN-SUFFIX,oaistatic.com,AI-Only
  - DOMAIN-SUFFIX,oaiusercontent.com,AI-Only
  - DOMAIN-SUFFIX,perplexity.ai,AI-Only
  - DOMAIN-SUFFIX,generativelanguage.googleapis.com,AI-Only
  - DOMAIN-SUFFIX,github.com,AI-Only
  - DOMAIN-SUFFIX,githubcopilot.com,AI-Only
  - GEOIP,CN,DIRECT
  - MATCH,Global

Opening the Residential Proxy Port on Your Home Router

If you’re running OpenWrt with passwall / SSR Plus, you can expose a SOCKS5 port on the router:

passwall (OpenWrt):

Main Menu → Access Control → Local Ports → Add a SOCKS5 listener (e.g., port 1080) and select direct exit (bypass proxy, use home ISP directly).

Then open this port in the router’s firewall to allow external access (or use frp/Cloudflare Tunnel for internal network tunneling if you don’t want direct public exposure).

Security notes:

  • Exposing SOCKS5 directly to the internet carries risk; add password authentication
  • Or access internal SOCKS5 through a WireGuard VPN tunnel instead of opening it publicly

Verify It’s Working

After configuration, test your residential IP exit:

# Check IP via residential proxy
curl --socks5 your-home-public-ip:proxy-port https://api.ipify.org

Should return your home ISP’s IP address, not your VPS IP.

In Surge/mihomo, switch to the AI-Proxy group and visit whatismyip.com to confirm the IP type shows as Residential.

Results

With residential IPs in place, you’ll see:

  • Claude (claude.ai) no longer triggers repeated verification
  • ChatGPT Plus features no longer hit IP-based fraud checks
  • API call stability improves (especially under high-frequency use)

→ See mihomo residential IP setup guide → See Xray REALITY server configuration

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