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Event reference

Mention events

The webhook event for LinkedIn and Reddit mentions of a competitor: every key, its type and a real example for each.

A mention event fires when someone else writes about a tracked competitor, on LinkedIn or Reddit. One post is one event.

eventType
mention
subEventType
linkedin_mention · reddit_mention
signalType
social.mention (also social.mention_updated, social.mention_removed in the schema)
Platform field
mentionResponse (same value as metadata)
relevance
Judged: { "status": "relevant", … }

How to read this page

Every body has the common fields plus one mentionResponse object, sent twice (also as metadata). It has the item fields and a platform, then the keys of that platform. author is the person who wrote the post, not the competitor. For LinkedIn mentions, author.url is their profile link and author.imageUrl their photo (null when LinkedIn sends none).

LinkedIn mentions

subEventType: "linkedin_mention", platform: "linkedin".

mentionResponse · linkedin
platform
'linkedin'
Always linkedin here.
postUrn
string
LinkedIn's id for the post.
authorHandle
string|null
The author's profile handle. null when LinkedIn's search omits it.
authorHeadline
string|null
The author's headline. null when omitted.
authorKind
'employee'|'outsider'
employee when the author is the competitor's page or one of the people you added for it, or when their headline says they work there. outsider for anyone else.
reactions
number
Reactions on the post.
comments
number
Comments on the post.
Event · linkedin_mentionReal event from a Signals run
json
1{
2 "version": 1,
3 "eventId": "68f37f67-fde1-4a51-85e5-e18b996a9f8a",
4 "eventType": "mention",
5 "subEventType": "linkedin_mention",
6 "action": "new",
7 "signalType": "social.mention",
8 "source": "linkedin_mentions",
9 "orgId": "org_3KikADUjsyXrUJ4RJhWpwcp98Yf",
10 "trackerId": "8f0265e0-4e66-460f-8fd4-4d530b097df3",
11 "runId": "c497255a-50de-42b6-b7fc-8f56f21721aa",
12 "competitor": {
13 "name": "HubSpot",
14 "domain": "hubspot.com",
15 "subjectKey": "mentions:hubspot|aliases:|company:hubspot|people:|who:employees,outsiders"
16 },
17 "occurredAt": "2026-10-26T13:17:32.056Z",
18 "detectedAt": "2026-10-26T13:17:32.056Z",
19 "sequence": 635,
20 "itemKey": "linkedin_mentions-7520473265660928001",
21 "relevance": {
22 "status": "relevant",
23 "confidence": 0.78,
24 "reasoning": "Passes Steps 0-2 because HubSpot is a discussed comparator with specific claims about its pricing/model, matching the criterion that the post is about the company HubSpot.",
25 "summary": "The post discusses Salesforce’s planned billing for external AI-agent interactions and explicitly compares it to HubSpot’s current policy. It states HubSpot has not announced similar fees and describes HubSpot’s seats-and-credits model and API limits.",
26 "shortSummary": "Post contrasts Salesforce metering with HubSpot’s current approach.",
27 "categories": [
28 "Competitive positioning",
29 "Pricing/Packaging",
30 "AI",
31 "Platform/API"
32 ]
33 },
34 "mentionResponse": {
35 "platform": "linkedin",
36 "title": "Salesforce plans to bill you for AI work that happens outside its platform.",
37 "text": "Salesforce plans to bill you for AI work that happens outside its platform.\n\nHere's how it works today. Teams connect AI agents to their CRM through MCP or the API. Claude, ChatGPT, agents they built in-house, vendor tools with agents embedded inside. They pay their AI provider for the model, and those calls draw on the CRM's existing API limits like any other integration.\n\nSalesforce is changing that. As soon as nex …",
38 "url": "https://www.linkedin.com/posts/christopher-tveter_salesforce-hubspot-aiagents-activity-7520473265660928001-Ut3F",
39 "author": {
40 "name": "Chris Tveter",
41 "handle": "christopher-tveter",
42 "url": "https://www.linkedin.com/in/christopher-tveter",
43 "imageUrl": null
44 },
45 "media": [],
46 "metrics": {
47 "reactions": 0,
48 "comments": 0
49 },
50 "postUrn": "7520473265660928001",
51 "authorHandle": "christopher-tveter",
52 "authorHeadline": "CEO at AIRops | AI Revenue Operations Built on HubSpot | HubSpot Diamond Partner | 285+ Portals Audited",
53 "authorKind": "outsider",
54 "reactions": 0,
55 "comments": 0
56 },
57 "metadata": {
58 "platform": "linkedin",
59 "title": "Salesforce plans to bill you for AI work that happens outside its platform.",
60 "text": "Salesforce plans to bill you for AI work that happens outside its platform.\n\nHere's how it works today. Teams connect AI agents to their CRM through MCP or the API. Claude, ChatGPT, agents they built in-house, vendor tools with agents embedded inside. They pay their AI provider for the model, and those calls draw on the CRM's existing API limits like any other integration.\n\nSalesforce is changing that. As soon as nex …",
61 "url": "https://www.linkedin.com/posts/christopher-tveter_salesforce-hubspot-aiagents-activity-7520473265660928001-Ut3F",
62 "author": {
63 "name": "Chris Tveter",
64 "handle": "christopher-tveter",
65 "url": "https://www.linkedin.com/in/christopher-tveter",
66 "imageUrl": null
67 },
68 "media": [],
69 "metrics": {
70 "reactions": 0,
71 "comments": 0
72 },
73 "postUrn": "7520473265660928001",
74 "authorHandle": "christopher-tveter",
75 "authorHeadline": "CEO at AIRops | AI Revenue Operations Built on HubSpot | HubSpot Diamond Partner | 285+ Portals Audited",
76 "authorKind": "outsider",
77 "reactions": 0,
78 "comments": 0
79 }
80}

Long text values are shortened here with “ …”. Your endpoint gets the full text.

Reddit mentions

subEventType: "reddit_mention", platform: "reddit".

mentionResponse · reddit
platform
'reddit'
Always reddit here.
postId
string
Reddit's post id in base 36, without the t3_ prefix (1xdvecp). The itemKey still contains t3_.
subreddit
string
The subreddit, lowercased and without r/ (hubspot).
authorName
string|null
The Reddit username, without u/. null when Reddit omits it. The item's author.name carries the u/ prefix (u/name) and author.url is the profile link; authorName has no prefix.
score
number
The post's score at detection time.
comments
number
Comment count at detection time.

The common text is null when the vendor returned no body (its rate-limit fallback).

Event · reddit_mentionReal event from a Signals run
json
1{
2 "version": 1,
3 "eventId": "3bd19e39-4e44-4caa-8c19-99eb37adb2a1",
4 "eventType": "mention",
5 "subEventType": "reddit_mention",
6 "action": "new",
7 "signalType": "social.mention",
8 "source": "reddit_mentions",
9 "orgId": "org_3KikADUjsyXrUJ4RJhWpwcp98Yf",
10 "trackerId": "f7e71c9e-77cc-40a9-9b1c-658ae5600cbe",
11 "runId": "05e37e02-f61d-443c-8a52-62a261b2c032",
12 "competitor": {
13 "name": "HubSpot",
14 "domain": "hubspot.com",
15 "subjectKey": "hubspot.com|reddit:hubspot|aliases:|subs:hubspot"
16 },
17 "occurredAt": "2026-10-24T01:05:54.000Z",
18 "detectedAt": "2026-10-26T12:49:27.974Z",
19 "sequence": 607,
20 "itemKey": "reddit_mentions-t3_1xdvecp",
21 "relevance": {
22 "status": "relevant",
23 "confidence": 0.86,
24 "reasoning": "Passes Steps 0-2 and matches the criterion because the post is explicitly about HubSpot (hubspot.com) as a company/product, not another meaning of the word.",
25 "summary": "Reddit post states HubSpot will stop allowing new private apps on Oct 26 and describes an alternative setup. It is directly about the HubSpot company and its platform change.",
26 "shortSummary": "Discusses HubSpot private apps ending Oct 26.",
27 "categories": [
28 "Product update",
29 "Platform change"
30 ]
31 },
32 "mentionResponse": {
33 "platform": "reddit",
34 "title": "HubSpot is killing new private apps on Oct 26. Here's the two-agent setup I moved to",
35 "text": "submitted by /u/Shawntenam [link] [comments]",
36 "url": "https://www.reddit.com/r/hubspot/comments/1xdvecp/",
37 "author": {
38 "name": "u/Shawntenam",
39 "handle": null,
40 "url": "https://www.reddit.com/user/Shawntenam/",
41 "imageUrl": null
42 },
43 "media": [],
44 "metrics": {
45 "score": 0,
46 "comments": 0
47 },
48 "postId": "1xdvecp",
49 "subreddit": "hubspot",
50 "authorName": "Shawntenam",
51 "score": 0,
52 "comments": 0
53 },
54 "metadata": {
55 "platform": "reddit",
56 "title": "HubSpot is killing new private apps on Oct 26. Here's the two-agent setup I moved to",
57 "text": "submitted by /u/Shawntenam [link] [comments]",
58 "url": "https://www.reddit.com/r/hubspot/comments/1xdvecp/",
59 "author": {
60 "name": "u/Shawntenam",
61 "handle": null,
62 "url": "https://www.reddit.com/user/Shawntenam/",
63 "imageUrl": null
64 },
65 "media": [],
66 "metrics": {
67 "score": 0,
68 "comments": 0
69 },
70 "postId": "1xdvecp",
71 "subreddit": "hubspot",
72 "authorName": "Shawntenam",
73 "score": 0,
74 "comments": 0
75 }
76}