IPinfo API
IP geolocation, ASN, carrier, abuse and privacy detection
Freemium
✓ Verified
🇺🇸 United States
IPinfo is the most trusted IP geolocation data provider, delivering highly accurate city, region, country, ISP/ASN, carrier, and timezone data for any IP address. The privacy detection API identifies VPNs, proxies, Tor, and hosting providers — critical for fraud prevention. The abuse API provides reported abuse contacts. 50,000 monthly free lookups make it excellent for most apps. Paid plans add IP ranges, company data, and domain-to-IP lookups. Used by security teams, marketers, and app developers for content localization and fraud detection.
API Details
Auth Method
API Key
Pricing Model
Freemium
Free Tier
Yes — 50,000 requests/month free
Rate Limit
1 request/second (free)
Format
REST / JSON
Versioning
Single
SLA / Uptime
99.9%
Compliance
GDPR, CCPA
Geographic Restrictions
Global IP coverage
Last Verified
2026-02-20
Categories
Frequently Asked Questions
IPinfo has a free tier of 50,000 requests per month u2014 generous for small applications. Paid plans start at $249/month (Basic) for 150,000 requests/day. Business plans at $499/month include up to 300,000 requests/day. Data download (full IP database) is available separately for offline lookups without per-request pricing.
IP geolocation accuracy varies by resolution level. Country-level accuracy is 95u201399% for most IP ranges. City-level accuracy is typically 60u201380%. Street-level accuracy is not reliable from IP alone u2014 use GPS for precise location. IPinfo is generally considered one of the most accurate providers, particularly for ASN and carrier data.
Beyond city/country location, IPinfo provides: ISP and ASN (Autonomous System Number), hosting provider detection (AWS, Google Cloud, Azure), VPN/proxy/Tor detection, mobile carrier data, IP type classification (residential, corporate, hosting), and abuse contact information. These signals are valuable for fraud detection and security applications.
Yes. IPinfo offers downloadable databases in MMDB (MaxMind-compatible), CSV, and JSON formats. This enables offline lookups without per-request API costs u2014 ideal for high-volume applications processing billions of IPs or applications with strict latency requirements. Database subscriptions are updated daily.