Rest Programming interface in Magento 2 characterizes a bunch of capabilities utilized by the designers to perform demands and get reactions utilizing the HTTP convention. Of course, Magento 2 gives some predefined rest APIs like Item Programming interface, Request Programming interface, Client information Programming interface with which you can assume virtual command over everything occurring on the site.
You can peruse our total aide on Magento 2 Programming interface assuming that you are simply getting everything rolling.
Despite the fact that Magento 2 has these many rest APIs, they are insufficient with regards to utilizing the custom information and their qualities. To deal with your custom information and fields, you want Magento 2 create custom rest API and today, I have thought of the means for something very similar.
For more Info. visit: https://meetanshi.com/blog/create-custom-rest-api-in-magento-2/