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PolymarketDocumentation/docs/developers/RTDS/RTDS-comments.md
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> ## Documentation Index
> Fetch the complete documentation index at: https://docs.polymarket.com/llms.txt
> Use this file to discover all available pages before exploring further.
# RTDS Comments
<Card title="TypeScript client" icon="github" href="https://github.com/Polymarket/real-time-data-client">
Official RTDS TypeScript client (`real-time-data-client`).
</Card>
## Overview
The comments subscription provides real-time updates for comment-related events on the Polymarket platform. This includes new comments being created, as well as other comment interactions like reactions and replies.
## Subscription Details
* **Topic**: `comments`
* **Type**: `comment_created` (and potentially other comment event types like `reaction_created`)
* **Authentication**: May require Gamma authentication for user-specific data
* **Filters**: Optional (can filter by specific comment IDs, users, or events)
## Subscription Message
```json theme={null}
{
"action": "subscribe",
"subscriptions": [
{
"topic": "comments",
"type": "comment_created"
}
]
}
```
## Message Format
When subscribed to comments, you'll receive messages with the following structure:
```json theme={null}
{
"topic": "comments",
"type": "comment_created",
"timestamp": 1753454975808,
"payload": {
"body": "do you know what the term encircle means? it means to surround from all sides, Russia has present on only 1 side, that's the opposite of an encirclement",
"createdAt": "2025-07-25T14:49:35.801298Z",
"id": "1763355",
"parentCommentID": "1763325",
"parentEntityID": 18396,
"parentEntityType": "Event",
"profile": {
"baseAddress": "0xce533188d53a16ed580fd5121dedf166d3482677",
"displayUsernamePublic": true,
"name": "salted.caramel",
"proxyWallet": "0x4ca749dcfa93c87e5ee23e2d21ff4422c7a4c1ee",
"pseudonym": "Adored-Disparity"
},
"reactionCount": 0,
"replyAddress": "0x0bda5d16f76cd1d3485bcc7a44bc6fa7db004cdd",
"reportCount": 0,
"userAddress": "0xce533188d53a16ed580fd5121dedf166d3482677"
}
}
```
## Message Types
### comment\_created
Triggered when a user creates a new comment on an event or in reply to another comment.
### comment\_removed
Triggered when a comment is removed or deleted.
### reaction\_created
Triggered when a user adds a reaction to an existing comment.
### reaction\_removed
Triggered when a reaction is removed from a comment.
## Payload Fields
| Field | Type | Description |
| ------------------ | ------ | ------------------------------------------------------------------------- |
| `body` | string | The text content of the comment |
| `createdAt` | string | ISO 8601 timestamp when the comment was created |
| `id` | string | Unique identifier for this comment |
| `parentCommentID` | string | ID of the parent comment if this is a reply (null for top-level comments) |
| `parentEntityID` | number | ID of the parent entity (event, market, etc.) |
| `parentEntityType` | string | Type of parent entity (e.g., "Event", "Market") |
| `profile` | object | Profile information of the user who created the comment |
| `reactionCount` | number | Current number of reactions on this comment |
| `replyAddress` | string | Polygon address for replies (may be different from userAddress) |
| `reportCount` | number | Current number of reports on this comment |
| `userAddress` | string | Polygon address of the user who created the comment |
### Profile Object Fields
| Field | Type | Description |
| ----------------------- | ------- | ------------------------------------------------- |
| `baseAddress` | string | User profile address |
| `displayUsernamePublic` | boolean | Whether the username should be displayed publicly |
| `name` | string | User's display name |
| `proxyWallet` | string | Proxy wallet address used for transactions |
| `pseudonym` | string | Generated pseudonym for the user |
## Parent Entity Types
The following parent entity types are supported:
* `Event` - Comments on prediction events
* `Market` - Comments on specific markets
* Additional entity types may be available
## Example Messages
### New Comment Created
```json theme={null}
{
"topic": "comments",
"type": "comment_created",
"timestamp": 1753454975808,
"payload": {
"body": "do you know what the term encircle means? it means to surround from all sides, Russia has present on only 1 side, that's the opposite of an encirclement",
"createdAt": "2025-07-25T14:49:35.801298Z",
"id": "1763355",
"parentCommentID": "1763325",
"parentEntityID": 18396,
"parentEntityType": "Event",
"profile": {
"baseAddress": "0xce533188d53a16ed580fd5121dedf166d3482677",
"displayUsernamePublic": true,
"name": "salted.caramel",
"proxyWallet": "0x4ca749dcfa93c87e5ee23e2d21ff4422c7a4c1ee",
"pseudonym": "Adored-Disparity"
},
"reactionCount": 0,
"replyAddress": "0x0bda5d16f76cd1d3485bcc7a44bc6fa7db004cdd",
"reportCount": 0,
"userAddress": "0xce533188d53a16ed580fd5121dedf166d3482677"
}
}
```
### Reply to Existing Comment
```json theme={null}
{
"topic": "comments",
"type": "comment_created",
"timestamp": 1753454985123,
"payload": {
"body": "That's a good point about the definition of encirclement.",
"createdAt": "2025-07-25T14:49:45.120000Z",
"id": "1763356",
"parentCommentID": "1763355",
"parentEntityID": 18396,
"parentEntityType": "Event",
"profile": {
"baseAddress": "0x1234567890abcdef1234567890abcdef12345678",
"displayUsernamePublic": true,
"name": "trader",
"proxyWallet": "0x9876543210fedcba9876543210fedcba98765432",
"pseudonym": "Bright-Analysis"
},
"reactionCount": 0,
"replyAddress": "0x0bda5d16f76cd1d3485bcc7a44bc6fa7db004cdd",
"reportCount": 0,
"userAddress": "0x1234567890abcdef1234567890abcdef12345678"
}
}
```
## Comment Hierarchy
Comments support nested threading:
* **Top-level comments**: `parentCommentID` is null or empty
* **Reply comments**: `parentCommentID` contains the ID of the parent comment
* All comments are associated with a `parentEntityID` and `parentEntityType`
## Use Cases
* Real-time comment feed displays
* Discussion thread monitoring
* Community sentiment analysis
## Content
* Comments include `reactionCount` and `reportCount`
* Comment body contains the full text content
## Notes
* The `createdAt` timestamp uses ISO 8601 format with timezone information
* The outer `timestamp` field represents when the WebSocket message was sent
* User profiles include both primary addresses and proxy wallet addresses