How do you authenticate an API?

What is PHP-JWT. php-jwt is a PHP library that allows you to encode and decode JSON Web Tokens (JWT) in PHP, conforming to RFC 7519.16 Nis 2019

Use JWTs for Access Tokens in PHP

To send a GET request with a Bearer Token authorization header using PHP, you need to make an HTTP GET request and provide your Bearer Token with the Authorization: Bearer {token} HTTP header .

First, turn on the Client Credentials grant on then Advanced settings > Grant Types tab on the Application settings page. Next, authorize the Application for the API being used on the Machine to Machine Applications tab on the API’s Settings page. Make sure all necessary scopes are selected (but no more) and Update.

HTTP authentication with PHP ¶ It is possible to use the header() function to send an “Authentication Required” message to the client browser causing it to pop up a Username/Password input window .

Authenticate API requests using basic authentication with your email address and password, with your email address and an API token, or with an OAuth access token . All methods of authentication set the authorization header differently. Credentials sent in the payload or URL are not processed.