Virus Total

Depending on how popular this tool gets, Virus total may be holding the tool back with its limitations. It definitely probably is the top dog regarding URL checkers, for now it works with the 4requests/1min.

VT FREE limitations 4 requests/1 minute 500 requests/1 day

phish tank api pricing

Phishtank is a must for this project, is a completely free and open source to use both the API and all of its data sets that phish tank has setup, (ended up not being able to use this because Phishtank isnt allowing new users to register)

Website Categorization aspect

https://www.klazify.com/category

Google safe browsing

Free

OTX (AT&T)

https://otx.alienvault.com/api

• Free dosnt seem to have any known restrictions other than its at the disposale to be shutdown or restricted at any time per (https://success.alienvault.com/s/question/0D53q0000AWIuzECQT/is-httpsotxalienvaultcomotxapiindicators-api-is-free-of-cost-we-as-a-organisation-have-a-plan-to-use-this)