Rakesh Jesadiya

Create a New product by Magento REST API, you need first to generate an access token. The access token is used to create a product in the admin panel. Check the link for Generate Access Token Magento 2

Once you got the Access Token for Magento, You can call REST API for creating a product from a third-party system.

Upgrade Magento 2.1.* or 2.2.* Version to Latest 2.3.4 Version for site speed and security improvement, You need to follow all the steps given in the articles.

Magento 2.3 Upgrade is a little bit tricky. You can’t just upgrade using only changes in magento/product-community-edition and version line from the composer.json file.

Upgrade using the command line Magento 2.3,

How to Get Admin Token by REST API in Magento 2?

Magento 2 Admin Token REST API, you need to first generate an access token. The access token is used for synchronization with Magento to another third-party platform.

Without an Access token, you can’t communicate with Magento 2 API that requires Admin Token to fetch results.

To create an access token you need to call POST action with Request payload. Your request URL will be rest/V1/integration/admin/token append to your site URL.

You can check at the end of the page for the POSTMAN screenshot to fetch the access token with POSTMAN.