REST API & RESTful Web Services Explained | Web Services Tutorial

In this tutorial we will learn REST API and RESTful web services.
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What is REST API? REST stands for Representational State Transfer and API stands for Application Programming Interface.
Representational - the resource (image, page, video, profile) is represented by the web server to the client in any format like HTML, Image, JSON, XML etc.
State - the state of the application (web site) on a client's computer changes as the client clicks from one link to the next. Ask the client clicks on the link, they request additional resources, and the application "state" changes.
Transfer - the transfer of resources from the web server to the client in a "representational" state which can be read by the client or implemented in the application program by the programmer. The transfer may also refer to the application state transfer as the client browses a web site.
API - application programming interface provides useful methods/functions which a programmer can implement into his own application in a chosen programming language like PHP. The API makes it easy for programmers to implement. It's important to note that the response we get when sending REST API request will usually be in JSON, XML or other format which makes it easy to implement in the code and it's not meant to be read immediately by a human being.
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[@onlyvsn]

five years later, still feels like one of the best explanations out there! Thanks dude.

[@MCtinRad]

I honestly wish I found this video when I was trying to understand REST API a year ago. Great job explaining it! I feel like this helped me have a better understanding of what the hell I was doing before. Thanks.

[@chandraprakashjangid6982]

Staying so motivated in the evening on the Valentine' Day as to create a REST API youtube video ?! That's really cool !!

[@lonzysnow2091]

Have been following almost all your teaching and you really doing a great .... really like ho w you represent everything in a chart form for easy understanding

[@clevertechie]

Thanks so much Lonzy, that means a lot!

[@omarb.7250]

Great tutorial, very clear with easy to understand examples. Thank you so much.

[@staj]

I love how concise yet detailed this is, making the technical bits thoroughly practical & understandable! Thanks a lot Sir! Keep up the Great Work!

[@amalidriss6930]

staj that’s so true

[@shariifomar9985]

somali naw

[@TomasAntonio88]

simple but clear explanation of REST. Good job!

[@Rackerintraining]

Yes, finally a quality video about REST Web Services. Easy to understand, logically explains the concepts in progression. The best!!!

[@arunthomas189]

This is the best tutorial I've came across on the topic of REST API. It definitely helped that he started with explaing from a regular HTTP request and then go from there.

[@TrouvatkiDePercusion]

Spectacularly done! This is singularly the one-and-only video I've seen on all of KZbin that actually properly explains what "REST" is that's actually clearly understandable. Thank you so much, man!!

[@gnosticdude]

BEST-EXPLANATION-EVER! I had been struggling to get to the nuts and bolts of RESTApi and REST Web Services. Your video cleared it all in just 15 mins!

[@meranaamarti]

The best explanation on understanding what Restapis are. Thank you so much for all the detailed examples you gave.

[@sha07geek]

Have been looking for some simple ways to teach people about REST arch and RESTful web services! You made it really simple.

[@barryjones1695]

Excellent clear explanation, informative and very well presented . I will follow your presentation and recommend them to others

[@bhanu4j]

The saying goes "If you cant explian with ease and simple enough way, it means you havent understood it well!!!" What an amazing crisp explanation of REST APIs. Keep it up!

[@sheikahbib]

I have ever ever seen such a perfectionist explanation...Your awesome brilliant..Keep going Clever Techie...not stopping me to Subscribe

[@kevinmeinrad5473]

This was the clearest video regarding REST API I watched on KZbin. Thanks for this :)

[@CenturionDobrius]

Beautifully explained, both verbally and visually. This is the best introductory lesson considering REST on the Internet.

[@Yodad0110]

Totally agree!!

[@vinayakredekar3879]

This is the best REST description i have come across. Thank you.

[@denmark8th]

this is by far the best short explanation i could find on youtube for REST API! really nice work!

[@tobiamodu2367]

i agree

[@clevertechie]

Thanks, the inspiration came through from my own confusion of what REST is and the lack of simple explanation...

[@mayursaroj4360]

please explain me in under 5 words...

[@gittin_funky]

Clever Techie I agree great job describing ! Subscribed

[@ITech2005]

@@mayursaroj4360 Allows access to backend

[@dhanushsadhanagiri9495]

Its very simple with clear explanation of REST, giving insight of terminology as well

[@kingmartinibeatz4079]

Best explanation ever. This makes RESTFUL API's seem so easy. Thanks.

[@manttest]

The best and short explanation I ever see on REST API, keep doing and good luck.

[@KostiaRedko]

That was a great explanation! Most importantly, you provided some great real world examples and still kept it very short. It was not just the best REST API explanation I could find, but also one of the best I have seen in general. Thank you.

[@Socversity]

This is awesome way of explaining. I find alot videos on youtube, but I didn’t understand about api. After watching this video, i am able to speak about API. Thanks man👍👍👍

[@WarriorPocky]

Dude, I've watched other REST API explanation vids. All of them had comments saying "this is the best vid!!! blah blah" and I still do NOT understand what's going on. You, however, helped me to FINALLY, finally understand. Well done, seriously. You've earned yourself another subscriber.

[@fraterrr6560]

This is my third REST video in a row, I still don’t understand, but this was the best video explanation I feel.

[@shehuyakubu9753]

Bravo! Thank you man, I really got this powerful explanation into mind.

[@nndhore]

What an amazing found on KZbin. All you need to see this video to understand Basic of REST API

[@Lili-jh5ur]

Damn, first frame of the video and I already understand this subject better than any 30 min lecture ever enabled me to.

[@romitjoyful]

This video is amazing! Crispy and clear with practical examples! Great work...

[@mmpcse]

Came here multiple times, this is new return and refreshing / re-brushing the concept. 🙂

[@NYC_CuriousG]

Finally I understand this. You're a good teacher. Clean design also

[@gauravroy7801]

This is how an informative video should be made. Thanks a ton!

[@amanthakur1987]

Can't expect better than this.... This is just awesome..... Clears all my doubts about REST.

[@pushkarmandot4426]

Thanks for explaining from the scratch. Really helpful video!

[@CarlosWashingtonMercado]

Excellent. Best explanation found so far in years. Great job!

[@anbuselvan2004]

THE BEST REST work on the KZbin!!!

[@rotimiakinbobola2327]

I am super excited. for the very first time I understand REST API . Thank you

[@js312]

That was really good, thank you. I feel that more stuff need to be presented in plain English before going to the code. A Lot of tutorials just go to the code without explaining in pseaudo code what's actually going on. IT's seems the most important part, why people don't do that?

[@KurtNHeiss]

This is an excellent overview! Thanks so much for putting it up.

[@niteshc]

This is very nice and crisp explanation with easy examples. Now it makes clear on what is REST

[@redwolfmendoza]

Thanks for the clear explanation. Your video was very clean, clear and straightforward! The infographics were very useful.

[@andrewwerner4220]

Wow this is a great video. I'm a software developer myself but I have to say this really helped me understand it better.

[@raghuramaswamy7953]

Explanation was crisp and the examples made it very clear thanks

[@bhaddiyatanchangya520]

Thank you Clever Techie. I love your tutorial. Your teaching is wonderful.

[@maxrosa2218]

This is well explained using a practical method with real life examples. Awesome !!!

[@assortedtea902]

Nice video man!! By far the simplest explanation of them all

[@rucharamdasi6406]

Crystal clear breakdown of REST, thanks a lot

[@priyotoshdeb5028]

Superb explanation with demonstration. Very simplified way of teaching. Great Work. Thank you.

[@sumedhburbure4173]

Damn! This is the most beautiful video i have seen on the RESTful API!!

[@pavan4651]

I've watched over dozen videos on this topic but this is by far the BEST.

[@clevertechie]

Thank you so much, I really appreciate that!

[@bukresanin]

Thank you man! I was a brief and useful short explanation.

[@kerryruddock6839]

Thanks. I loved the image at the start of the video. Extremely helpful.

[@kervinfernandez7519]

This is so useful! Very informative! Please create more videos! I'm now a fan. 😊

[@wryammm3346]

The best practical video to understand REST. Thanks.

[@tnduc91]

so basic and simple to understand, thanks.

[@shashankcool]

Hi, Really liked the way you explained rest API with visual diagram and working example.

[@premkulkarni8012]

Best Explanation of REST API so far !!

[@reecebygrave7211]

VERY useful thanks! Better than 10 weeks worth of lectures in final year computer science.

[@clevertechie]

Great to hear!

[@MrAverageViewer]

Great explanation!! Thank you for creating this video!! Much appreciated!!

[@ponramk2756]

Woow.. Excellent explanation!! This would greatly help people to understand about the concept without any prerequisite or technical background.

[@sreenivasaraju4988]

wonderful and short explanation about REST API's, thanks a lot

[@orantesce]

Thank you very much for your POST! I'm glad there are people that like to share knowledge

[@peteruk2]

Great summary of the principles - thanks for taking to trouble to create and post it.

[@mazdysoraya6121]

Best explanation, thank you for your time. Subbed.

[@DanielSantosBr]

the best quick tutorial for me. really good and for my level. thanks Sir.

[@TheDeeptinamdeo]

The way you explain things , its so nice. Thank you so much!

[@clevertechie]

I appreciate you

[@ravibeli]

Awesome presentation with clear explanation - Keep posting... Thanks!

[@adusparx]

BEST EXPLANATION, PERIOD

[@darinadia98]

Thank you for the video, you make it so much easier to understand

[@mosesmuchemi7221]

awesome stuff was struggling with this API stuff for so long

[@karamjeetpadam4719]

This is the best explanation I heard about this topic

[@WhispersInTheDarkCnR]

Thank you for the perfect explanation!

[@ajitpata3281]

Best and simplest explanation.Loved it. Thanks

[@ikcmontreal]

Exactly what i needed, thanks a ton !!!

[@ateviel]

Well explained and with good visual representations too! Thanks :-)

[@qaautomationcult3868]

API testing & Automation A RESTful API is an application program interface (API) that uses HTTP requests to GET, PUT, POST and DELETE data. Your software’s API is actually the most important part of the application that you can test because it is the business logic of your product. please subscribe our youtube channel : kzbin.info/door/0xat537YITJbN_9GSMUALA Fb page : facebook.com/learn.automation.testing linkedin page : www.linkedin.com/in/qa-cult-64835bb/ website: www.qacult.com for various blogs and Upcoming Events

[@zunairah9223]

This is an excellent explanation of REST and REST API. All the concepts were really clear. This is how you teach people who are new to some technology or concept. I would like to know if you have done a video on using REST API in a PHP application or in a laravel application? If so, it would be great if you share the link. Thanks a ton

[@curiouswanderer793]

My doubts about REST stopped here. I agree with all the comments below on the clarity of explanation. Keep going, Clever Techie !!

[@tulasirambattu4965]

Excellent explanation in a short time.

[@Mazoane]

The best video about explaining API! Thank yo so much!

[@aglaiawong8058]

that's very clear and helpful! Thanks a lot! Much appreciated!!

[@karmaj32]

This is an excellent explanation of the REST API - Thank you!

[@Lomunist]

excellent explanation; best one I've found so far

[@icyrealm7]

Excellent explanation of complex subject matter! :)

[@ThilinaWimalapriya]

Better than other videos which explains REST api

[@amaan261]

keep up the good work buddy

[@user-wt5yl7nt1p]

you are great!! finaly someone that actualy explain the concepts

[@Prog10000]

Excellent explanation of the REST API and Web Services. Thank you very much

[@preethimukundkumaresh8928]

Thank you soo much it was so helpful and I understood the concept very well !!

[@asadujjamannur6938]

Got understand now what is REST API. Thank you very much for your effort.

[@tonytony-fc6gq]

WOW easily explained , THANK YOU !!!!! I have been looking everywhere for a better explanation this 15 minute video just done that

[@clevertechie]

Of course! Glad to help! :)

[@selehadinseid2958]

bravo very clear and straight forwarded presentation

[@ardiestephens3489]

Clever Techie - Great video. What is the name of the application you are using for the webpage info (the cloud icon at the top)?

[@lakshminarayananbalaramane2900]

Awesome explanation. Thanks mate. Hope you can probably follow this up with using this in a small code in another video. Perhaps there is one already?

[@danith72]

What a great video, easy, clear and professional.

[@tedodera1764]

The Best explanation ever. Good Job Sir I have subscribed ASAP

[@Vhagar__]

Thanks Great explanation... What is the extension you are using in browser to check every request?? That cloud symbol one..

[@diegor7042]

hey, what plugin are you using to view the request/response details?

[@jeffbong7989]

The best explanation so far. 👍