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Integrating Custom Login with LinkedIn Button

User experience holds significant importance in the realm of web applications and websites. The provision of effortless and user-friendly means for users to access your platform can significantly elevate their satisfaction and level of engagement. One effective approach to accomplishing this is by incorporating a personalized login system featuring a Custom Login with LinkedIn button. LinkedIn, renowned as a widely-used professional networking platform, facilitates rapid user authentication on third-party websites and applications. Therefore, integrating this feature into your authentication process can prove to be a valuable enhancement.

Within the contents of this blog post, we will delve into the process of seamlessly merging a tailored login system with a LinkedIn button into your web application. We will delve into the advantages, offer a step-by-step guide to implementation, and highlight recommended practices that will ensure a secure and friction less login experience for your user base.

Incorporating a LinkedIn button into your authentication process enhances user engagement and streamlines access to your platform. It’s achievable through angular development outsourcing for a seamless user experience. This approach is particularly beneficial for custom financial software development, iOS mobile app development, and a wide range of custom software services, including Android application development.

Benefits of Integrating LinkedIn Login:

  • Streamlined Entry: Opting for LinkedIn login offers a convenient and recognizable sign-in option for individuals already active on LinkedIn. This approach permits them to gain entry to your platform without the hassle of creating a new account or recalling additional login details.
  • Trustworthiness and Reputation: Aligning your platform with LinkedIn can significantly boost its credibility. Users may exhibit greater confidence in divulging their information and engaging with your content when they realize that LinkedIn vouches for the login procedure.
  • Access to User Insights: Through LinkedIn login, you gain the ability to request access to specific profile details such as name, email, and profile picture. This invaluable data can facilitate a tailored user experience and the creation of precisely targeted content.
  • Minimized Hurdles: Conventional registration forms, characterized by their length and intricacy, can act as deterrents for potential users. The implementation of LinkedIn login serves to alleviate this issue by simplifying the onboarding process.

Implementing LinkedIn Login:

Here are the steps to integrate a custom login system with a LinkedIn button:

Step 1: Create a LinkedIn Developer App
  • Log in to your LinkedIn Developer account or create one if you don’t have one already.

URL to login on linkedIn Developer account –

  • Create a new LinkedIn app in the developer portal. This app will represent your web application.
  • Configure the app’s settings, including the OAuth 2.0 Redirect URLs and permissions required.

Step 2: Add the LinkedIn Button
  • Obtain the LinkedIn login button code snippet from the LinkedIn developer documentation .
  • Insert the code snippet into your web application’s login or registration page.
  • Customize the button’s appearance and text to match your website’s design and branding.
Step 3: Implement OAuth 2.0 Flow
OAuth Flow image
  • When users click the LinkedIn button, initiate the OAuth 2.0 flow. Redirect them to LinkedIn’s authorization endpoint.
  • After users grant permission, LinkedIn will redirect them back to your website with an authorization code.
LinkedIn Grant permission Page
Step 4: Exchange Authorization Code for Access Token
  • Use the authorization code received from LinkedIn to make a server-to-server request for an access token.
  • Store the access token securely on your server for future API requests.
Step 5: Retrieve User Data
  • Use the access token to retrieve user data from LinkedIn’s API. You can access profile information, including name, email, and profile picture.
  • Map this data to user profiles in your application’s database.
Step 6: User Authentication
  • Create or update user profiles in your application’s database based on the LinkedIn data.
  • Implement a secure session management system to keep users authenticated in LinkedIn.

As the authentication process relies on the OAuth 2.0 flow, we will delve into this topic in the following section

What is OAuth 2.0?

OAuth 2.0 is a protocol that allows applications to secure access to resources without exposing user credentials. It enables users to grant a limited set of permissions to a third-party application or service, such as allowing an application to access their social media profile or post on their behalf. OAuth 2.0 is used by many popular platforms, including Google, Facebook, Twitter, and GitHub, for authentication and authorization.

In the realm of Angular Development Outsourcing, when outsourcing Angular development, incorporating OAuth 2.0 into your application can enhance security and user access.When considering iOS Mobile App Development, collaborating with a professional iOS mobile app development company can ensure the effective implementation of OAuth 2.0 for secure user authorization. This is crucial for safeguarding user data and access to iOS applications.For Cross-Platform Mobile App Development Services, OAuth 2.0 is valuable for streamlining user authorization across various devices and platforms. This ensures a consistent and secure user authentication process.

The OAuth 2.0 Flow

OAuth 2.0 defines several grant types, each suitable for different use cases. The most common flow, and the one you’ll encounter most frequently, is the Authorization Code Flow. Here’s how it works:

Client Registration: The client (application) is registered with the authorization server. During registration, the client provides a redirect URI, which is where the user will be sent after granting or denying permission.

User Interaction: When the user wants to use the client’s service, they click a “Log in with [Service]” button or a similar action. This redirects the user’s browser to the authorization server.

Authorization Request: The authorization server prompts the user to log in if they aren’t already authenticated. Then, it presents the user with a consent screen explaining what permissions the client is requesting (scopes). The user can approve or deny these permissions.

Authorization Code: If the user approves, the authorization server generates an authorization code and redirects the user’s browser back to the client’s redirect URI, along with the authorization code.

Token Request: The client, now in possession of the authorization code, sends a request to the authorization server to exchange it for an access token.

Access Token: If the authorization code is valid and the user’s consent is still valid, the authorization server responds with an access token. This token is a proof of the user’s authorization to access their resources.

Resource Access: The client can use the access token to make authorized requests to the resource server, which validates the token. If the token is valid and has the required scope, the resource server provides the requested resource.

Token Refresh (Optional): Access tokens typically have a limited lifespan. If the client needs ongoing access, it can use a refresh token (if provided) to obtain a new access token without user intervention.


Integrating a custom login system with a LinkedIn button enhances the user experience of your web application. This approach streamlines registration, making it convenient and efficient, while leveraging the trust associated with LinkedIn. Whether in financial software development or healthcare software development, it’s vital to prioritize data privacy and security by following best practices. This creates a seamless and trustworthy login process, encouraging user engagement and improving the overall experience of your application.

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