# Online Platforms with API

## [ProjectHoneypot](https://www.projecthoneypot.org/)

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

## [**BotScout**](http://botscout.com/api.htm)

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

## [Hunter](https://hunter.io/)

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

## [AlientVault](https://otx.alienvault.com/api)

Find Malicious activities related to IPs and Domains. Free.

## [Clearbit](https://dashboard.clearbit.com/)

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](https://builtwith.com/)

Technologies used by webs. Expensive...  
Commercial?

## [Fraudguard](https://fraudguard.io/)

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

## [FortiGuard](https://fortiguard.com/)

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

## [SpamCop](https://www.spamcop.net/)

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

## [mywot](https://www.mywot.com/)

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

## [ipinfo](https://ipinfo.io/)

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

## [securitytrails](https://securitytrails.com/app/account)

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](https://www.fullcontact.com/)

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](https://www.spiderfoot.net/documentation/)

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

## [\_IntelligenceX](https://intelx.io/)

Search Domains, IPs and emails and get info from dumps. Have some free access.

## [IBM X-Force Exchange](https://exchange.xforce.ibmcloud.com/)

Search by IP and gather information related to suspicions activities. There is some free access.

## [Greynoise](https://viz.greynoise.io/)

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

## [Shodan](https://www.shodan.io/)

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

## [Censys](https://censys.io/)

Very similar to shodan

## [buckets.grayhatwarfare.com](https://buckets.grayhatwarfare.com/)

Find open S3 buckets searching by keyword.

## [Dehashed](https://www.dehashed.com/data)

Find leaked credentials of emails and even domains  
Commercial?

## [psbdmp](https://psbdmp.ws/)

Search pastebins where a email appeared. Commercial?

## [emailrep.io](https://emailrep.io/key)

Get reputation of a mail. Commercial?

## [ghostproject](https://ghostproject.fr/)

Get passwords from leaked emails. Commercial?

## [Binaryedge](https://www.binaryedge.io/)

Obtain interesting info from IPs

## [haveibeenpwned](https://haveibeenpwned.com/)

Search by domain and email and get if it was pwned and passwords. Commercial?

[https://dnsdumpster.com/](https://dnsdumpster.com/)\(in a commercial tool?\)

[https://www.netcraft.com/](https://www.netcraft.com/) \(in a commercial tool?\)

[https://www.nmmapper.com/sys/tools/subdomainfinder/](https://www.nmmapper.com/) \(in a commercial tool?\)