Logo Unipile

LinkedIn API: A Comprehensive Guide to Integration

Unlock the potential of the LinkedIn API with our comprehensive guide. In the realm of HR, software development, or any professional domain, you’ll discover valuable insights and practical benefits. From grasping the fundamentals of the LinkedIn API to exploring real-world applications and seamless integration, our guide provides comprehensive coverage.

Understand API for LinkedIn

LinkedIn API, short for Application Programming Interface, serves as the essential bridge between LinkedIn’s wealth of professional data and external software applications. It allows developers to tap into LinkedIn’s extensive network, providing a range of functionalities that are invaluable for businesses, recruiters, and professionals alike.

Inbox - Filters and Tags

What is LinkedIn API ?

LinkedIn stands as the world’s largest professional social network, connecting over 800 million members in more than 200 countries.

This platform offers a wealth of information about professionals, a valuable resource that professionals across various fields would love to leverage.

However, it’s important to note that LinkedIn recognizes the significance of this data and has implemented restrictions on access for non-personal use.

Developing the LinkedIn API typically requires around six months of development with a team of three dedicated resources. You can explore what LinkedIn offers by visiting their API documentation here.

At its core, the LinkedIn API is a set of rules and protocols that facilitate the interaction between different software applications. In the context of LinkedIn, it enables third-party applications to access and utilize LinkedIn’s extensive dataset, including user profiles, connections, job postings, and company information.

Key Features of LinkedIn API by Unipile


List All Chats

list email gmail api
list all chats linkedin api

This feature enables the retrieval of chat messages from a user’s LinkedIn account, offering various filters to search for specific conversations based on criteria like the chat partner, date, or keywords within the chat content.

Advantages: Streamlines the process of chat message search and organization within LinkedIn, saves time by eliminating the need for manual filtering, and enhances user engagement by promptly surfacing relevant conversations.


Start New Chat

list email gmail api

Enables the initiation of a new chat message within an application, providing the necessary fields such as the recipient, message content, and the option to include attachments if supported.

Advantages: Facilitates seamless chat composition directly within the application, enhances workflow efficiency, and allows for the customization of message templates to maintain consistent communication branding.

Retreive a profile

list email gmail api

This API function facilitates the retrieval of user profiles, enabling detailed access to user information. You can gather a wealth of public profile information, such as the user’s email, job title, company, phone number, and address, whenever they are provided and publicly available.
The advantage of this feature is that it allows you to consolidate all available data within your own software, providing the opportunity to utilize it for automation, in-depth analysis, or other strategic initiatives.

How Can Developers Leverage LinkedIn API for Advanced Features?

Integrating advanced LinkedIn features into your applications is now a streamlined process with Unipile’s ready-to-use code snippets. Developers can sidestep the complexities of building from the ground up, using these pre-crafted codes to access the full capabilities of the LinkedIn API. Whether for automating profile data retrieval, analyzing network activities, or syncing with other systems, Unipile’s robust code repository acts as a catalyst for quick and smooth integration, shortening the development cycle and easing the path to deployment.

Create an Outreach Sequence

Automate your LinkedIn outreach by compiling a list of profiles to send invitations with a personalized touch.

1. Search for profiles using LinkedIn or LinkedIn Sales Navigator, apply filters, and copy the search URL.
2. Fetch raw data from the URL, handle pagination, and abide by LinkedIn’s rate limits.
3. Schedule and send invitations, monitor for LinkedIn’s acceptance limits, and store data for subsequent actions.

Extract List Search

Leverage the advanced features of LinkedIn, LinkedIn Recruiter, and LinkedIn Sales Navigator to build custom functionalities with the ‘Get raw data’ route (Magic route) using connected accounts.

1. Capture LinkedIn requests via browser tools to identify the desired data endpoint.
2. Use the provided cURL examples to extract people search results or Sales Navigator searches.
3. Integrate the raw data into your application, customizing for keywords and pagination.

Detecting Accepted Invitations

Track when your LinkedIn invitations are accepted to trigger follow-up actions without specific webhooks.

1. Use the ‘new message’ webhook to detect acceptances from invitations with messages.
2. Periodically check the list of sent invitations for updates, implying acceptance or rejection.
2. Record sent invitations and maintain comparison efficiency.

LinkedIn API Use Cases: Unleashing the Potential

The LinkedIn API serves as a transformative tool, reshaping the landscape for individuals and organizations across various industries. Let’s delve into two compelling use cases that showcase the day-to-day impact of  LinkedIn API integration.


To recruit and sell faster, your users need to respond promptly to messages. That’s where real-time synchronization of received and sent messages comes into play. With this capability, they are always in the know and can reply promptly to leads, candidates, and clients. With the API, you can easily connect an unlimited number of LinkedIn accounts per user.

API for LinkedIn Recruiter

In the realm of recruitment, the Unipile’s LinkedIn API is a transformative tool, reshaping the landscape for hiring professionals. The API offers a suite of features tailored to meet the unique needs of the recruitment industry.

Consider a bustling recruitment agency, tasked with identifying top talent for a range of clients. The API for LinkedIn Recruiter and others streamlines candidate targeting, automates tedious tasks, and provides real-time insights, making it a versatile tool that complements a wide range of scenarios envisioned by software publishers.

API for LinkedIn Sales Navigator

Incorporating LinkedIn Sales Navigator into your CRM transforms sales strategies by providing direct access to valuable insights and connections. This fusion allows for personalized engagement, tailored to the unique needs and interests of each prospect. It streamlines the sales process by bringing comprehensive LinkedIn data into the CRM environment, enabling teams to act on precise, up-to-date information and forge stronger relationships. By adopting this integrated approach, CRM providers have observed a notable increase in user retention and satisfaction, underscoring the tangible value of this powerful combination.

Benefits of LinkedIn API Integration for Software Publishers

By seamlessly integrating the LinkedIn API, professionals can unlock the potential, opening doors for various industries. This integration is a significant asset for their clients, granting easy access to LinkedIn’s vast professional data, streamlining the integration process, and optimizing the use of LinkedIn API for various purposes.

Discover all the technical features and advantages within this comprehensive resource.

API Reference Functionnalities


🟢 Invite Users

🟢 List Pending Invitation

🟢 Delete Pending Invitation

🟢 Handling LinkedIn Invitation Acceptance


🟢 List Users/Companies Posts

🟢 Add reaction to a post

🟢 Send Comments

🟢 List Posts Comments


🟢 Visit and Retreive Users Profiles