1 00:00:02,090 --> 00:00:02,980 So now that we know 2 00:00:02,980 --> 00:00:05,120 what services and APIs are 3 00:00:05,120 --> 00:00:08,760 and that these are two closely connected concepts, 4 00:00:08,760 --> 00:00:13,260 why would we be using services or APIs in our websites? 5 00:00:13,260 --> 00:00:16,149 Well, the reason is rather straightforward. 6 00:00:16,149 --> 00:00:17,410 As a web developer, 7 00:00:17,410 --> 00:00:19,770 you typically can't build all the features 8 00:00:19,770 --> 00:00:21,880 your website might need on your own, 9 00:00:21,880 --> 00:00:23,970 or at least you don't want to. 10 00:00:23,970 --> 00:00:26,520 If you have a website that needs some map 11 00:00:26,520 --> 00:00:28,720 and where you wanna handle payments, 12 00:00:28,720 --> 00:00:30,890 of course, theoretically, 13 00:00:30,890 --> 00:00:33,110 you could build it all on your own. 14 00:00:33,110 --> 00:00:35,630 You could start cartographing the world. 15 00:00:35,630 --> 00:00:38,520 You could build your own maps database 16 00:00:38,520 --> 00:00:40,610 with all the data about all the cities 17 00:00:40,610 --> 00:00:42,430 and streets from the world. 18 00:00:42,430 --> 00:00:45,470 You could write code for displaying such a map 19 00:00:45,470 --> 00:00:48,820 with different colors and elements on the screen. 20 00:00:48,820 --> 00:00:50,780 And you could negotiate contracts 21 00:00:50,780 --> 00:00:52,830 with credit card providers, 22 00:00:52,830 --> 00:00:57,380 build a secure platform for handling payments, handle fraud. 23 00:00:57,380 --> 00:00:59,620 And all of that, you could do that, 24 00:00:59,620 --> 00:01:04,620 and you would probably take years or decades for that 25 00:01:04,629 --> 00:01:06,830 especially if you're doing it on your own, 26 00:01:06,830 --> 00:01:09,570 or you just use a third-party service 27 00:01:09,570 --> 00:01:11,080 that provides that feature 28 00:01:11,080 --> 00:01:12,930 and you focus on the core feature 29 00:01:12,930 --> 00:01:14,750 that makes up your website. 30 00:01:14,750 --> 00:01:19,550 For example, the core focus and business of Airbnb 31 00:01:19,550 --> 00:01:23,500 is to offer vacation rentals and to offer a platform 32 00:01:23,500 --> 00:01:26,460 for people who have a vacation rental 33 00:01:26,460 --> 00:01:28,750 and people who want one. 34 00:01:28,750 --> 00:01:32,710 Therefore, Airbnb, of course, did not spend unnecessary time 35 00:01:32,710 --> 00:01:34,660 on building their own maps service. 36 00:01:34,660 --> 00:01:37,350 Instead, they enriched this existing service 37 00:01:37,350 --> 00:01:40,260 with their own business model and data. 38 00:01:40,260 --> 00:01:42,750 That's why we typically use such paid or free 39 00:01:42,750 --> 00:01:46,380 third-party services and APIs because then as a developer, 40 00:01:46,380 --> 00:01:50,220 we can focus on the core logic that makes up our website 41 00:01:50,220 --> 00:01:53,330 and we can then build up on those existing services 42 00:01:53,330 --> 00:01:56,803 to build the final product and website that we wanna build. 43 00:01:57,640 --> 00:01:59,460 Of course, as mentioned before, 44 00:01:59,460 --> 00:02:01,740 this also means that your business model 45 00:02:01,740 --> 00:02:05,940 could be to offer a brand new or better service 46 00:02:05,940 --> 00:02:08,600 than currently exists out there. 47 00:02:08,600 --> 00:02:11,770 You could not build a website, which is the end product, 48 00:02:11,770 --> 00:02:13,470 but maybe a service. 49 00:02:13,470 --> 00:02:16,100 If Google Maps didn't exist already, 50 00:02:16,100 --> 00:02:18,430 you could of course found a startup 51 00:02:18,430 --> 00:02:21,120 that offers something like Google Maps. 52 00:02:21,120 --> 00:02:24,080 Even without the main Google app and website, 53 00:02:24,080 --> 00:02:28,590 a service like Google Maps where other websites and projects 54 00:02:28,590 --> 00:02:31,750 can use your map data would probably 55 00:02:31,750 --> 00:02:34,310 already be pretty profitable. 56 00:02:34,310 --> 00:02:37,480 And therefore, that is also how you can think about this. 57 00:02:37,480 --> 00:02:39,890 That's why we have services and APIs 58 00:02:39,890 --> 00:02:41,840 and why you as a web developer 59 00:02:41,840 --> 00:02:44,060 should be aware of this concept 60 00:02:44,060 --> 00:02:46,093 to build the products you wanna build.