Following are the API endpoints LinkedIn Campaign provides -

1. Ad Analytics API: Provides performance metrics for individual ads, campaigns, and accounts in real-time.
2. Budget API: Allows advertisers to view, update, and manage campaign budgets.
3. Lead Gen Forms API: Enables advertisers to capture leads on LinkedIn using pre-filled forms.
4. Matched Audiences API: Allows advertisers to upload lists of target accounts, contacts, and website visitors to target in their campaigns.
5. Sponsored Content API: Enables advertisers to create and manage sponsored content campaigns on LinkedIn.
6. Targeting API: Provides access to LinkedIn's targeting capabilities, allowing advertisers to target specific audiences based on demographics, job title, skills, interests, and more.
7. Video API: Enables advertisers to upload, manage, and track video campaigns on LinkedIn.
8. Lead Gen Forms API: This API allows you to automate the process of collecting leads from LinkedIn ads by integrating with your CRM system.
9. Reporting APIs: These APIs provide access to your LinkedIn campaign data, allowing you to analyze and report on the performance of your ads.
10. Matched Audiences API: This API enables you to target specific LinkedIn members based on their website retargeting, account targeting, and contact targeting data.
11. Share API: This API allows you to share content on LinkedIn, including text, images, and links, from your own application.
12. Ad Analytics API: This API allows you to access granular performance data for your LinkedIn ads, including impressions, clicks, and conversions.