Akismet is an online auto-pilot spam fighting system that’s getting better day by day and giving a boost in fighting spam and enhancing out SEO. Well millions of blogs are already using its services for getting rid of any kind of spammy comments and other clumsy comment bugs. Well obviously Akismet does not provide its services entirely for free and hence commercial blogs have to pay some amount ranging from $100/month to much more but yes for personal blogs you can get Akismet API key for free while donating something to their service according to your wish.
Well if you wanna use API key in your commenting system it can be anyone like Disqus or by default the wordpress commenting system than just follow below steps and you will have your API key mailed to you easily.
1. Visit Akismet.com sign-up page.
2. Now click on the Sign-Up button mentioned under the Personal Head.
3. Now you might see something like above image just fill all your details like your first name, last name, email address very important you will receive your API key in your email.
4. Now just slide the slider to left till amount becomes $0 now just click on the Continue button and that’s it now you will receive your API key in your email within seconds.
5. Now just add that key in your commenting system and that it save it out.
Now you are running free Akismet protection on your blogs commenting system, now lets see who the hell can leave some spam on your blog.