IPinfo Residential Proxy API
Documentation for IPinfo Residential Proxy Detection API
The IPinfo Residential Proxy Detection API provides detailed insights into IP addresses associated with residential proxies, including activity patterns, and service identification.
You can access IPinfo IP to Residential Proxy Detection data as a downloadable dataset as well: IPinfo Residential Proxy Data Downloads
Quick Reference
| Field | Description | Example |
|---|---|---|
ip | The IPv4 or IPv6 address associated with a residential proxy. | 175.107.211.204 |
last_seen | The last recorded date when the residential proxy IP was active, formatted as YYYY-MM-DD (ISO-8601). The timezone is UTC. | 2025-06-24 |
percent_days_seen | The percentage of days the IP was active in the last 7-day period, reflecting its activity and frequency within a residential proxy pool. | 14 |
service | The name of the residential proxy service. Carrier/mobile services are suffixed with _mobile (e.g., soax_mobile). | ipfoxy |
Lookup IP addresses:
curl https://ipinfo.io/resproxy/175.107.211.204?token=$TOKEN
{
"ip": "175.107.211.204",
"last_seen": "2025-06-24",
"percent_days_seen": 14,
"service": "ipfoxy"
}
If you are using an IPv6 connection, please use the v6.ipinfo.io endpoint.
