GreyNoise vs IP-API

GreyNoise9.3Visit IAIP-API8.4Visit

Higher score GreyNoise #1 in IP Address Intelligence Software 9.3/10 Free plan · pricing on request Free plan✓ 3 of 3 features Visit GreyNoise

vs

IA IP-API #6 in IP Address Intelligence Software 8.4/10 Free plan Free plan✓ 3 of 3 features Visit IP-API

• GreyNoise fits best

  Security teams needing deep IP threat intelligence

• IP-API fits best

  Affordable general-purpose IP lookup

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Side by side

Feature	GreyNoise 9.3/10 Visit ↗	IAIP-API 8.4/10 Visit ↗
At a glance
Editor score	9.3	8.4
Ranking	#1 in IP Address Intelligence Software	#6 in IP Address Intelligence Software
Best for	Security teams needing deep IP threat intelligence	Affordable general-purpose IP lookup
Pricing model	Free plan + paid	Free plan + paid
Starting price	—	—
Free plan	✓	✓
Free trial	—	—
Deployment	Cloud, Self-hosted	Cloud
Platforms	Web	Web
Support	Email, Live chat, Docs	Email · 24/7
Built for	Small business, Mid-market, Enterprise	Solo, Small business, Mid-market
Features GreyNoise 3/3 · IP-API 3/3
Threat detection	✓	✓
Proxy/VPN detection	✓	✓
API access	✓	✓
Specs
Geolocation data	Coordinates	Coordinates
Free lookups	50 lookups/mo	Not checked yet
Data refresh	Real-time	Real-time
Our review
Pros	Historical timelines add context to current IP activity. CVE context includes CVSS, EPSS, and KEV intelligence. Protocol fingerprints and C2 attribution deepen investigations.	Looks up IPv4, IPv6, and domains with location and network details Detects proxy, VPN, Tor, and hosting indicators Supports batch queries and JSON, XML, CSV, newline, and PHP formats
Cons	Free plan limits searches to 50 per week. Free historical lookback is limited to 10 days. Paid tiers require a sales contact for pricing.	Free plan is restricted to non-commercial use Free lookups are limited to 45 requests per minute HTTPS and unlimited requests require the Pro plan
Our verdict	GreyNoise provides IP intelligence for security teams investigating internet-wide scanning, exploitation, and other network activity. Analysts can look up one or multiple IP addresses, review classifications and behavioral metadata, and… Read the review →	IP-API provides IP geolocation and network intelligence through an API and web interface. It is aimed at developers and teams that need to look up IPv4 or IPv6 addresses and domain names, from solo projects to mid-market use. Results can… Read the review →

Strengths and trade-offs

• GreyNoise — where it wins

  • Historical timelines add context to current IP activity.
  • CVE context includes CVSS, EPSS, and KEV intelligence.
  • Protocol fingerprints and C2 attribution deepen investigations.

  Where it doesn't

  • Free plan limits searches to 50 per week.
  • Free historical lookback is limited to 10 days.
  • Paid tiers require a sales contact for pricing.

• IP-API — where it wins

  • Looks up IPv4, IPv6, and domains with location and network details
  • Detects proxy, VPN, Tor, and hosting indicators
  • Supports batch queries and JSON, XML, CSV, newline, and PHP formats

  Where it doesn't

  • Free plan is restricted to non-commercial use
  • Free lookups are limited to 45 requests per minute
  • HTTPS and unlimited requests require the Pro plan

• GreyNoise9.3/10 · Free plan · pricing on request

  Deep IP threat context across lookups, history, vulnerabilities, protocols, and C2 activity.

  Visit GreyNoiseFull verdict →
• IAIP-API8.4/10 · Free plan

  Flexible IP and domain lookups with network details and proxy detection.

  Visit IP-APIFull verdict →