Update Polymarket documentation (2026-02-19)
- Added new documentation URLs from llms.txt index - Updated TARGET.md with 244 total documentation pages - Scraped new pages for trading, concepts, and API reference sections - Updated changelog and new index pages
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@@ -2,9 +2,9 @@
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> Fetch the complete documentation index at: https://docs.polymarket.com/llms.txt
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> Use this file to discover all available pages before exploring further.
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# Real Time Data Socket
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# Real-Time Data Socket
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## Overview
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> Stream comments and crypto prices via WebSocket
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The Polymarket Real-Time Data Socket (RTDS) is a WebSocket-based streaming service that provides real-time updates for **comments** and **crypto prices**.
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@@ -12,57 +12,17 @@ The Polymarket Real-Time Data Socket (RTDS) is a WebSocket-based streaming servi
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Official RTDS TypeScript client (`real-time-data-client`).
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</Card>
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### Connection Details
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## Endpoint
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* **WebSocket URL**: `wss://ws-live-data.polymarket.com`
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* **Protocol**: WebSocket
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* **Data Format**: JSON
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### Authentication
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Some user-specific streams may require `gamma_auth`:
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* `address`: User wallet address
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### Connection Management
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The WebSocket connection supports:
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* **Dynamic Subscriptions**: Without disconnecting from the socket users can add, remove and modify topics and filters they are subscribed to.
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* **Ping/Pong**: You should send PING messages (every 5 seconds ideally) to maintain connection
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## Available Subscription Types
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<Note>Only the subscription types documented below are supported.</Note>
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The RTDS currently supports the following subscription types:
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1. **[Crypto Prices](/developers/RTDS/RTDS-crypto-prices)** - Real-time cryptocurrency price updates
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2. **[Comments](/developers/RTDS/RTDS-comments)** - Comment-related events including reactions
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## Message Structure
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All messages received from the WebSocket follow this structure:
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```json theme={null}
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{
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"topic": "string",
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"type": "string",
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"timestamp": "number",
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"payload": "object"
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}
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```
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wss://ws-live-data.polymarket.com
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```
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* `topic`: The subscription topic (e.g., "crypto\_prices", "comments")
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* `type`: The message type/event (e.g., "update", "reaction\_created")
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* `timestamp`: Unix timestamp in milliseconds
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* `payload`: Event-specific data object
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Some user-specific streams may require `gamma_auth` with your wallet address.
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## Subscription Management
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## Subscribing
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### Subscribe to Topics
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To subscribe to data streams, send a JSON message with this structure:
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Send a JSON message to subscribe to data streams:
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```json theme={null}
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{
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@@ -80,12 +40,322 @@ To subscribe to data streams, send a JSON message with this structure:
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}
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```
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### Unsubscribe from Topics
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To unsubscribe, send the same structure with `"action": "unsubscribe"`.
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To unsubscribe from data streams, send a similar message with `"action": "unsubscribe"`.
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Subscriptions can be added, removed, and modified without disconnecting. Send `PING` messages every 5 seconds to maintain the connection.
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## Error Handling
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<Note>Only the subscription types documented below are supported.</Note>
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* Connection errors will trigger automatic reconnection attempts
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* Invalid subscription messages may result in connection closure
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* Authentication failures will prevent successful subscription to protected topics
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## Message Structure
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All messages follow this structure:
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```json theme={null}
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{
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"topic": "string",
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"type": "string",
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"timestamp": "number",
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"payload": "object"
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}
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```
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| Field | Type | Description |
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| ----------- | ------ | ----------------------------------------------------------- |
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| `topic` | string | The subscription topic (e.g., `crypto_prices`, `comments`) |
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| `type` | string | The message type/event (e.g., `update`, `reaction_created`) |
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| `timestamp` | number | Unix timestamp in milliseconds when the message was sent |
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| `payload` | object | Event-specific data object |
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## Crypto Prices
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Real-time cryptocurrency price data from two sources: **Binance** and **Chainlink**. No authentication required.
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### Binance Source (`crypto_prices`)
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Subscribe to all symbols:
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```json theme={null}
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{
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"action": "subscribe",
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"subscriptions": [
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{
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"topic": "crypto_prices",
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"type": "update"
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}
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]
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}
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```
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Subscribe to specific symbols with a comma-separated filter:
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```json theme={null}
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{
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"action": "subscribe",
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"subscriptions": [
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{
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"topic": "crypto_prices",
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"type": "update",
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"filters": "solusdt,btcusdt,ethusdt"
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}
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]
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}
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```
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Symbols use lowercase concatenated format (e.g., `solusdt`, `btcusdt`).
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**Solana price update:**
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```json theme={null}
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{
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"topic": "crypto_prices",
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"type": "update",
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"timestamp": 1753314064237,
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"payload": {
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"symbol": "solusdt",
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"timestamp": 1753314064213,
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"value": 189.55
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}
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}
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```
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**Bitcoin price update:**
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```json theme={null}
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{
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"topic": "crypto_prices",
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"type": "update",
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"timestamp": 1753314088421,
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"payload": {
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"symbol": "btcusdt",
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"timestamp": 1753314088395,
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"value": 67234.50
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}
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}
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```
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### Chainlink Source (`crypto_prices_chainlink`)
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<Tip>
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**Trading 15m Crypto Markets?** Get a sponsored Chainlink API key with onboarding support from Chainlink. Fill out [this form](https://pm-ds-request.streams.chain.link/).
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</Tip>
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Subscribe to all symbols:
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```json theme={null}
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{
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"action": "subscribe",
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"subscriptions": [
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{
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"topic": "crypto_prices_chainlink",
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"type": "*",
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"filters": ""
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}
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]
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}
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```
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Subscribe to a specific symbol with a JSON filter:
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```json theme={null}
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{
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"action": "subscribe",
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"subscriptions": [
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{
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"topic": "crypto_prices_chainlink",
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"type": "*",
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"filters": "{\"symbol\":\"eth/usd\"}"
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}
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]
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}
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```
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Symbols use slash-separated format (e.g., `eth/usd`, `btc/usd`).
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**Ethereum price update:**
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```json theme={null}
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{
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"topic": "crypto_prices_chainlink",
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"type": "update",
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"timestamp": 1753314064237,
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"payload": {
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"symbol": "eth/usd",
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"timestamp": 1753314064213,
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"value": 3456.78
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}
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}
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```
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**Bitcoin price update:**
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```json theme={null}
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{
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"topic": "crypto_prices_chainlink",
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"type": "update",
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"timestamp": 1753314088421,
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"payload": {
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"symbol": "btc/usd",
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"timestamp": 1753314088395,
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"value": 67234.50
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}
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}
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```
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### Price Payload Fields
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| Field | Type | Description |
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| ----------- | ------ | -------------------------------------------------------------------------------------------------------------------------------------------------- |
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| `symbol` | string | Trading pair symbol. **Binance**: lowercase concatenated (e.g., `solusdt`, `btcusdt`). **Chainlink**: slash-separated (e.g., `eth/usd`, `btc/usd`) |
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| `timestamp` | number | When the price was recorded, in Unix milliseconds |
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| `value` | number | Current price value in the quote currency |
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### Supported Symbols
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**Binance Source** — lowercase concatenated format:
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* `btcusdt` — Bitcoin to USDT
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* `ethusdt` — Ethereum to USDT
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* `solusdt` — Solana to USDT
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* `xrpusdt` — XRP to USDT
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**Chainlink Source** — slash-separated format:
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* `btc/usd` — Bitcoin to USD
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* `eth/usd` — Ethereum to USD
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* `sol/usd` — Solana to USD
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* `xrp/usd` — XRP to USD
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## Comments
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Real-time comment events on the Polymarket platform, including new comments, replies, reactions, and removals. May require Gamma authentication for user-specific data.
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### Subscribe
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```json theme={null}
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{
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"action": "subscribe",
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"subscriptions": [
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{
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"topic": "comments",
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"type": "comment_created"
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}
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]
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}
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```
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### Message Types
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| Type | Description |
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| ------------------ | ------------------------------------- |
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| `comment_created` | A user creates a new comment or reply |
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| `comment_removed` | A comment is removed or deleted |
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| `reaction_created` | A user adds a reaction to a comment |
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| `reaction_removed` | A reaction is removed from a comment |
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### comment\_created
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Emitted when a user posts a new comment or replies to an existing one.
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```json theme={null}
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{
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"topic": "comments",
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"type": "comment_created",
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"timestamp": 1753454975808,
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"payload": {
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"body": "That's a good point about the definition.",
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"createdAt": "2025-07-25T14:49:35.801298Z",
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"id": "1763355",
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"parentCommentID": "1763325",
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"parentEntityID": 18396,
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"parentEntityType": "Event",
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"profile": {
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"baseAddress": "0xce533188d53a16ed580fd5121dedf166d3482677",
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"displayUsernamePublic": true,
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"name": "salted.caramel",
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"proxyWallet": "0x4ca749dcfa93c87e5ee23e2d21ff4422c7a4c1ee",
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"pseudonym": "Adored-Disparity"
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},
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"reactionCount": 0,
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"replyAddress": "0x0bda5d16f76cd1d3485bcc7a44bc6fa7db004cdd",
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"reportCount": 0,
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"userAddress": "0xce533188d53a16ed580fd5121dedf166d3482677"
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}
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}
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```
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A reply to the above comment — note `parentCommentID` references the parent:
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```json theme={null}
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{
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"topic": "comments",
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"type": "comment_created",
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"timestamp": 1753454985123,
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"payload": {
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"body": "I agree, the resolution criteria should be clearer.",
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"createdAt": "2025-07-25T14:49:45.120000Z",
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"id": "1763356",
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"parentCommentID": "1763355",
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"parentEntityID": 18396,
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"parentEntityType": "Event",
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"profile": {
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"baseAddress": "0x1234567890abcdef1234567890abcdef12345678",
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"displayUsernamePublic": true,
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"name": "trader",
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"proxyWallet": "0x9876543210fedcba9876543210fedcba98765432",
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"pseudonym": "Bright-Analysis"
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},
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"reactionCount": 0,
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"replyAddress": "0x0bda5d16f76cd1d3485bcc7a44bc6fa7db004cdd",
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"reportCount": 0,
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"userAddress": "0x1234567890abcdef1234567890abcdef12345678"
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}
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}
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```
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### Comment Payload Fields
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| Field | Type | Description |
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| ------------------ | ------ | ------------------------------------------------------------------------- |
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| `body` | string | The text content of the comment |
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| `createdAt` | string | ISO 8601 timestamp when the comment was created |
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| `id` | string | Unique identifier for this comment |
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| `parentCommentID` | string | ID of the parent comment if this is a reply (null for top-level comments) |
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| `parentEntityID` | number | ID of the parent entity (event, market, etc.) |
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| `parentEntityType` | string | Type of parent entity (`Event`, `Market`) |
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| `profile` | object | Profile information of the comment author |
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| `reactionCount` | number | Current number of reactions on this comment |
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| `replyAddress` | string | Polygon address for replies (may differ from userAddress) |
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| `reportCount` | number | Current number of reports on this comment |
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| `userAddress` | string | Polygon address of the comment author |
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### Profile Object Fields
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| Field | Type | Description |
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| ----------------------- | ------- | ------------------------------------------ |
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| `baseAddress` | string | User profile address |
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| `displayUsernamePublic` | boolean | Whether the username is displayed publicly |
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| `name` | string | User's display name |
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| `proxyWallet` | string | Proxy wallet address used for transactions |
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| `pseudonym` | string | Generated pseudonym for the user |
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### Comment Hierarchy
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Comments support nested threading:
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* **Top-level comments**: `parentCommentID` is null or empty
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* **Reply comments**: `parentCommentID` contains the ID of the parent comment
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* All comments are associated with a `parentEntityID` and `parentEntityType` (`Event` or `Market`)
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## Troubleshooting
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<Accordion title="Connection drops unexpectedly">
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Send `PING` messages every 5 seconds to keep the connection alive. Connection errors will trigger automatic reconnection attempts.
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</Accordion>
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<Accordion title="Not receiving messages after subscribing">
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Verify your subscription message is valid JSON with the correct `action`, `topic`, and `type` fields. Invalid subscription messages may result in connection closure.
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</Accordion>
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<Accordion title="Authentication failures">
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If subscribing to user-specific streams, ensure your `gamma_auth` object includes a valid wallet `address`. Authentication failures will prevent subscription to protected topics.
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</Accordion>
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Reference in New Issue
Block a user