Links

Online Platforms with API

​ProjectHoneypot​

You can ask if an IP is related to suspicious/malicious activities. Completely free.

​BotScout​

Check if the IP address is related to a bot that register accounts. It can also check usernames and emails. Initially free.

​Hunter​

Find and verify emails. Some free API requests free, for more you need to pay. Commercial?

​AlientVault​

Find Malicious activities related to IPs and Domains. Free.

​Clearbit​

Find related personal data to a email (profiles on other platforms), domain (basic company info ,mails and people working) and companies (get company info from mail). You need to pay to access all the possibilities. Commercial?

​BuiltWith​

Technologies used by webs. Expensive... Commercial?

​Fraudguard​

Check if a host (domain or IP) is related with suspicious/malicious activities. Have some free API access. Commercial?

​FortiGuard​

Check if a host (domain or IP) is related with suspicious/malicious activities. Have some free API access.

​SpamCop​

Indicates if host is related to spam activity. Have some free API access.

​mywot​

Based on opinions and other metrics get if a domain is related with suspicious/malicious information.

​ipinfo​

Obtains basic info from an IP address. You can test up to 100K/month.

​securitytrails​

This platform give information about domains and IP addresses like domains inside an IP or inside a domain server, domains owned by an email (find related domains), IP history of domains (find the host behind CloudFlare), all domains using a nameserver.... You have some free access.

​fullcontact​

Allows to search by email, domain or company name and retrieve "personal" information related. It can also verify emails. There is some free access.

​RiskIQ​

A lot of information from domains and IPs even in the free/community version.

​_IntelligenceX​

Search Domains, IPs and emails and get info from dumps. Have some free access.
Search by IP and gather information related to suspicions activities. There is some free access.

​Greynoise​

Search by IP or IP range and get information about IPs scanning the Internet. 15 days free access.

​Shodan​

Get scan information of an IP address. Have some free api access.

​Censys​

Very similar to shodan
Find open S3 buckets searching by keyword.

​Dehashed​

Find leaked credentials of emails and even domains Commercial?

​psbdmp​

Search pastebins where a email appeared. Commercial?

​emailrep.io​

Get reputation of a mail. Commercial?

​ghostproject​

Get passwords from leaked emails. Commercial?

​Binaryedge​

Obtain interesting info from IPs

​haveibeenpwned​

Search by domain and email and get if it was pwned and passwords. Commercial?
​https://dnsdumpster.com/(in a commercial tool?)
​https://www.netcraft.com/ (in a commercial tool?)