Premium API enables access for 3rd party services to our research and tools. Our research database consists of 280+ million domain names, 5+ million name servers and 55+ million mail servers.
The API price model is based on Pay-as-You-go. Every API call gets debited from your API credit balance. The interface is based on HTTPS GET requests and the data type is JSON. The following API types are available:
| API type | Description | Credits | Link to API docs |
|---|
| ASInfo | Returns information and statistics about every AS number. | 10 |  |
| DomainSearch | Returns registered and previously registered domain names based on one or more keywords. | 4 | |
| DomainTypos | Returns registered domain typos and misspellings for a domain name. | 5 | |
| HostingHistory | Returns IP/DNS history for a specific domain. The following records are supported: A, AAAA, MX, NS and SPF. | 4 | |
| IPInfo | Returns information and statistics about every IP address. | 3 | |
| IP2ASN | Returns the AS number announcing the specific IP address. | free | |
| ReverseAdsense | Returns domains using the same Google Adsense ID. | 6 | |
| ReverseGAnalytics | Returns domains using the same Google Analytics ID. | 6 | |
| ReverseIP | Returns domains hosted on the same IP address. | 5 | |
| ReverseMX | Returns domains sharing the same mail server (MX record). | 5 | |
| ReverseNS | Returns domains sharing the same name server (NS record). | 5 | |
| SubnetInfo | Returns information and statistics about an IP subnet. | 4 | |
