Exchange User Credentials for a Token. If you will be using the Resource Owner Password Credential Grant, you will make a request to the Token endpoint to exchange the user’s email and password for an access token. OR Exchange User Credentials for a Token. If you will be using the Resource Owner Password Credential Grant, you will make a request to the Token endpoint to exchange the user’s email and password for an access token. OR Exchange a Refresh Token for an Access Token. If you will be using the Refresh Token Grant, you will make a request to the Token endpoint to exchange the user’s refresh token for an access token. OR Exchange a Refresh Token for an Access Token. If you will be using the Refresh Token Grant, you will make a request to the Token endpoint to exchange the user’s refresh token for an access token. OR Exchanges an OAuth authorization code for an access token. Makes a request to the Token endpoint to exchange the authorization code returned from the Authorize endpoint for an access token. OR Exchanges an OAuth authorization code and code_verifier for an access token. Makes a request to the Token endpoint to exchange the authorization code returned from the Authorize endpoint and a code_verifier for an access token. OR Exchanges an OAuth authorization code and code_verifier for an access token. Makes a request to the Token endpoint to exchange the authorization code returned from the Authorize endpoint and a code_verifier for an access token. OR Exchanges an OAuth authorization code for an access token. Makes a request to the Token endpoint to exchange the authorization code returned from the Authorize endpoint for an access token. OR Make a Client Credentials grant request to obtain an access token. OR Make a Client Credentials grant request to obtain an access token.