nopcommerce API convert Grant_type code to password - nopcommerce

Currently nopcommerce api need client_id and redirect url but i want it convert only user name and password.
I want to send user id and password it should return accesstoken back to me.

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How to login a user using an email provider from the backend in Next.js with NextAuth?

I am building a Next.js application that uses NextAuth for authentication. On my landing page, I have an email input form that users can fill out and submit. When the user submits their email, they are redirected to a createOrSignIn page, and the email is added as a parameter to the URL.
On the createOrSignIn page, I have implemented a reCAPTCHA that verifies whether the user is a human. After the user is redirected, I extract the email from the URL and validate it. Then, I need to make an API request to my backend Next.js API to verify the reCAPTCHA token and sign in the user using email provider.
However, I am having trouble finding a solution to log in the user using the email provider from the backend.
Can anyone provide guidance on how to sign in a user using the email provider from the backend with NextAuth in Next.js?
Thank you in advance for any help you can provide!
I have tried several approaches to log in the user using the email provider from the backend with NextAuth in Next.js
What I expected to happen was to be able to log in the user using the email provider from the backend with NextAuth in Next.js without requiring the user to be redirected.
The flow I expect is as follows:
User fills out and submits the email input form on the landing page.
User is redirected to the createOrSignIn page, and the email is added as a parameter to the URL.
ReCAPTCHA v3 is displayed on the createOrSignIn page.
After validate email, a request is sent to the backend API to verify the reCAPTCHA token.
If the reCAPTCHA token is verified, the user is signed in using the NextAuth email provider, and a response is returned to indicate whether a verification email was sent to the user and whether the user exists or is new.
If the user is new, a new user form is displayed where the user can fill out their username.

ASP.NET Authorize the same user as the one in the URL and JWT Token

A user can edit only his own profile. I would like to achieve that with the .NET Identity framework. Let's say a request comes to path /api/users/{username}, and in the requests header there's a JWT Token too, which contains the user's username. If the username in the URL is the same as the one in the JWT Token, only then could the data be returned or modified.
I don't think this could be achieved just with Annotations, but what is the right way to do it?

Firebase authentication without email

Currently, I am trying to develop a web portal where I want to allow specific users to enter in the site. This means I want to use specific username and password to enter my side without using any email address. How it is possible? I see that for custom login I have to use an authentication server and it is allowed in the Functions tab in Firebase. But I have to purchase it. Is there any workaround available to create my custom login without an email.?
Firebase Authentication has no username-password authentication. The best you can do is whenever user enters the user name you can append #yourapp-com to make the format like an email and use it with the password.
Use the same method when user tries to login, when they enter their username, append with that domain and use signInWithEmailAndPassword method. So technically you are using email and password (but the email cannot receive emails) but your users enter username and password only.
That was the easy work around but you can also store usernames and passwords in database. However make sure you properly hash the password in the database. You can use cloud functions to authenticate user. The auth flow would be like:
User enters username and password
A cloud function is triggered which then verifies the username and password
If the password matches, use the Admin SDK to generate a Custom Token and send it back to client
Use the signInWithCustomToken method and log the user in with that token.

Rest api authentication: how to get the token the first time

Thanks to this page api_key_authentication I have an authentication system which works well.
So, basically every user has his own api_key field (stored into the fos_user table), when I perform a request with any api_key from fos_user I see in the response that the user is recognized.
The question is: What does an API user do to retrieve his api_key?
You can generate api key and send it to the user (somehow) or make auth api where user send you his login and password and then you generate and send him his api key (this is the most known way).

How to create user subscriber in aweber?

Anyone can help ,
I have created an api key and and secret key but I am getting an issue regarding to the login section means the api redirect to the https://auth.aweber.com/1.0/oauth/authorize_app/ url and here need a username and password but I am inserting my username and password but its not open and send me a message like
Notice: Invalid credentials - please retry
Make sure that you're using valid AWeber credentials when filling out that form. The username/password are not the API developer account from https://labs.aweber.com, but an actual AWeber account (i.e. what you would use to login to https://aweber.com).

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