如何通过LinkedIn API获取事件数据？调用API遇404错误及特殊权限申请咨询

Hey there, let's break down your issues step by step since you're new to LinkedIn's API ecosystem—this stuff can be tricky at first, but we'll get you sorted.

Fixing the 404 "Resource events does not exist" Error #

The first problem is that you're using the wrong API endpoint. LinkedIn doesn't have a top-level /v2/events endpoint for fetching events. Instead, you need context-specific endpoints based on what you're trying to retrieve:

• Fetch a single event's details: Use GET https://api.linkedin.com/v2/events/{eventUrn} where {eventUrn} is the full URN of the event (e.g., urn:li:event:123456789).
• Fetch events owned by an organization: Use GET https://api.linkedin.com/v2/organizationEvents?q=organizations&organization=urn:li:organization:{yourOrgId}. Replace {yourOrgId} with the numeric ID of the organization you're associated with.

How to Get the r_events_leadgen_automation Permission #

That permission is part of LinkedIn's Marketing Developer Platform (MDP), which is restricted—you can't just enable it for a standard developer app. Here's how to request it:

1. Log into your LinkedIn Developer account and navigate to your app dashboard.
2. Go to the Products tab and add the Marketing Developer Platform product (if you haven't already).
3. Once added, head to the Permissions & Features section. Find r_events_leadgen_automation in the list of restricted permissions.
4. Click "Request Access" and fill out the form thoroughly: explain your exact use case, how you'll handle user data, and ensure your use aligns with LinkedIn's API Terms of Service.
5. Submit your request and wait for LinkedIn's review team to approve it (this can take a few business days). Once approved, your app will have access to the permission.
6. Finally, generate a new access token that includes this permission scope—old tokens won't have the updated permissions.

Step-by-Step Workflow to Fetch LinkedIn Events Data #

Once you have the right permissions and endpoints, follow this process:

1. Verify your access token: First, confirm your token has the required scopes (like r_events_leadgen_automation and r_organization_events) by calling GET https://api.linkedin.com/v2/me and checking the scope field in the response.
2. Get the necessary URNs:
   • For organization events, you'll need your organization's URN. You can fetch this by calling GET https://api.linkedin.com/v2/organizations?q=member&memberId={yourMemberId} (replace {yourMemberId} with your LinkedIn member ID).
3. Make the API call in Postman:
   • Example for fetching organization events:
     • Method: GET
     • URL: https://api.linkedin.com/v2/organizationEvents?q=organizations&organization=urn:li:organization:123456
     • Headers:
       • Authorization: Bearer {your-valid-access-token}
       • Content-Type: application/json
   • Example for fetching a single event:
     • URL: https://api.linkedin.com/v2/events/urn:li:event:987654
     • Same headers as above.
4. Handle the response: If successful, you'll get a JSON payload with event details like title, start/end times, location, registration settings, and participant data (depending on your permissions).

Quick Notes to Avoid Headaches #

• Always use HTTPS for all API calls—LinkedIn rejects HTTP requests.
• Don't share your access token or app credentials publicly.
• Stick strictly to the use case you described in your permission request—LinkedIn monitors API usage and may revoke access if you misuse permissions.

内容的提问来源于stack exchange，提问作者BHANU ARORA