# List Crypto Snapshots
Retrieve real-time market snapshot data for one or more crypto symbols.
The response includes key market indicators such as latest price, price change, price change percentage, bid/ask quotes, and other real-time metrics.
Supports querying up to 20 symbols per request.
Rate Limits:
• 1 request per second per App Key
• Market Data Global Limit: 600 requests per minute
# OpenAPI definition
```json
{
"info": {
"title": "Webull OpenAPI Documentation",
"description": "The Webull OpenAPI enables integration of trading APIs, market data, and OAuth authentication for building trading applications and brokerage solutions. It supports HTTP-based historical and real-time market data and MQTT streaming via WebSocket/TCP, along with SDKs, secure authentication, and APIs for orders, accounts, and event contract trading.",
"contact": {
"name": "Webull Developer Support",
"url": "https://www.webull.com/help",
"email": "api-support@webull-us.com"
},
"version": "2.0",
"x-logo": {
"url": "static/png/logo.png"
}
},
"servers": [
{
"url": "https://api.sandbox.webull.com"
}
],
"path": "/market-data/crypto/snapshots/list",
"method": "get",
"tags": [
"Crypto Market Data"
],
"description": "Retrieve real-time market snapshot data for one or more crypto symbols.
The response includes key market indicators such as latest price, price change, price change percentage, bid/ask quotes, and other real-time metrics.
Supports querying up to 20 symbols per request.
Rate Limits:
• 1 request per second per App Key
• Market Data Global Limit: 600 requests per minute",
"operationId": "cryptoSnapshot",
"parameters": [
{
"name": "symbols",
"in": "query",
"description": "List of crypto trading symbols. Supports JSON array format or comma-separated values. Maximum 20 symbols.",
"required": true,
"schema": {
"type": "string"
},
"example": "BTCUSD"
},
{
"name": "category",
"in": "query",
"description": "Asset category (e.g., US_CRYPTO). Only crypto categories are supported for this API.",
"required": true,
"schema": {
"type": "string",
"enum": [
"US_CRYPTO"
]
},
"example": "US_CRYPTO"
},
{
"name": "x-app-key",
"in": "header",
"description": "A unique identifier issued to a developer for accessing an application's API.",
"required": true,
"schema": {
"type": "string"
}
},
{
"name": "x-app-secret",
"in": "header",
"description": "A unique key issued to developers to access the application's API.",
"required": true,
"schema": {
"type": "string"
}
},
{
"name": "x-timestamp",
"in": "header",
"description": "Timestamp of the request, follows ISO8601 format: YYYY-MM-DDThh:mm:ssZ, e.g. 2023-07-16T19:23:51Z, only supports UTC time zone.",
"required": true,
"schema": {
"type": "string"
}
},
{
"name": "x-signature-version",
"in": "header",
"description": "Signature algorithm version, default is 1.0.",
"required": true,
"schema": {
"type": "string",
"default": "1.0"
},
"examples": {
"1.0": {
"value": "1.0"
}
}
},
{
"name": "x-signature-algorithm",
"in": "header",
"description": "Signature algorithm, default is HMAC-SHA1.",
"required": true,
"schema": {
"type": "string",
"default": "HMAC-SHA1"
},
"examples": {
"HMAC-SHA1": {
"value": "HMAC-SHA1"
}
}
},
{
"name": "x-signature-nonce",
"in": "header",
"description": "Signature unique random number.",
"required": true,
"schema": {
"type": "string"
}
},
{
"name": "x-access-token",
"in": "header",
"description": "An access token is a credential that represents the authorization granted to a client (e.g., a user or an application) to access specific protected resources on behalf of a user, without needing to share their password.",
"required": true,
"schema": {
"type": "string"
}
},
{
"name": "x-version",
"in": "header",
"description": "API interface version. Supported values: `v2`, `v3`.",
"required": true,
"schema": {
"type": "string",
"default": "v3"
},
"examples": {
"v3": {
"value": "v3"
}
}
},
{
"name": "x-signature",
"in": "header",
"description": "A signature is a unique digital fingerprint, typically encrypted, that verifies the authenticity and integrity of a message or transaction, ensuring it has not been tampered with during transmission.",
"required": true,
"schema": {
"type": "string"
}
}
],
"responses": {
"200": {
"description": "OK",
"content": {
"application/json": {
"schema": {
"type": "array",
"items": {
"type": "object",
"properties": {
"instrument_id": {
"type": "string",
"description": "Instrument ID associated with the trading symbol",
"example": "913256135"
},
"symbol": {
"type": "string",
"description": "Trading symbol of the crypto",
"example": "BTCUSD"
},
"pre_close": {
"type": "string",
"description": "Previous closing price",
"example": "101.0"
},
"last_trade_time": {
"type": "integer",
"description": "Timestamp of the most recent trade (Unix timestamp in milliseconds).",
"format": "int64",
"example": 1640688000000
},
"price": {
"type": "string",
"description": "Latest traded price",
"example": "100.5"
},
"open": {
"type": "string",
"description": "Opening price of the current trading day. May be empty if no trades occurred.",
"example": "100.0"
},
"high": {
"type": "string",
"description": "Highest traded price of the current trading day. Empty if no trading occurred.",
"example": "105.0"
},
"low": {
"type": "string",
"description": "Lowest traded price of the current trading day. Empty if no trading occurred.",
"example": "99.0"
},
"change": {
"type": "string",
"description": "Absolute price change compared with the previous close",
"example": "1.0"
},
"change_ratio": {
"type": "string",
"description": "Price change ratio compared with the previous close",
"example": "0.05"
},
"quote_time": {
"type": "string",
"description": "Timestamp of the latest quote update (Unix timestamp in milliseconds).",
"example": "1761131401742"
},
"bid": {
"type": "string",
"description": "Best bid price (Bid 1)",
"example": "0.6217"
},
"bid_size": {
"type": "string",
"description": "The total volume (in lots/shares) of buy orders at the best bid price (buy-1 price)",
"example": "3817.29798008"
},
"ask": {
"type": "string",
"description": "Best ask price (Ask 1)",
"example": "0.6343"
},
"ask_size": {
"type": "string",
"description": "The total volume (in lots/shares) of sell orders at the best ask price (sell-1 price).",
"example": "1387.5"
}
},
"description": "Real-time crypto market snapshot data",
"title": "CryptoSnapshotVo"
}
}
}
}
},
"401": {
"description": "Unauthorized: Authentication required",
"content": {
"application/json": {
"schema": {
"type": "object",
"properties": {
"error_code": {
"type": "string",
"description": "Internal logic error code",
"example": "UNAUTHORIZED"
},
"message": {
"type": "string",
"description": "Error message",
"example": "Insufficient permission"
}
}
}
}
}
},
"417": {
"description": "A business logic error triggered when the request cannot be processed due to domain-specific constraints.",
"content": {
"application/json": {
"schema": {
"type": "object",
"properties": {
"error_code": {
"type": "string",
"description": "Internal logic error code",
"example": "INVALID_PARAMETER"
},
"message": {
"type": "string",
"description": "Error message",
"example": "Parameter error, phone"
}
}
}
}
}
},
"500": {
"description": "Internal Server Error.",
"content": {
"application/json": {
"schema": {
"type": "object",
"properties": {
"error_code": {
"type": "string",
"description": "Internal logic error code",
"example": "SYSTEM_ERROR"
},
"message": {
"type": "string",
"description": "Error message",
"example": "Internal Server Error"
}
}
}
}
}
}
},
"postman": {
"name": "List Crypto Snapshots",
"description": {
"content": "Retrieve real-time market snapshot data for one or more crypto symbols.
The response includes key market indicators such as latest price, price change, price change percentage, bid/ask quotes, and other real-time metrics.
Supports querying up to 20 symbols per request.
Rate Limits:
• 1 request per second per App Key
• Market Data Global Limit: 600 requests per minute",
"type": "text/plain"
},
"url": {
"path": [
"market-data",
"crypto",
"snapshots",
"list"
],
"host": [
"{{baseUrl}}"
],
"query": [
{
"disabled": false,
"description": {
"content": "(Required) List of crypto trading symbols. Supports JSON array format or comma-separated values. Maximum 20 symbols.",
"type": "text/plain"
},
"key": "symbols",
"value": ""
},
{
"disabled": false,
"description": {
"content": "(Required) Asset category (e.g., US_CRYPTO). Only crypto categories are supported for this API.",
"type": "text/plain"
},
"key": "category",
"value": ""
}
],
"variable": []
},
"header": [
{
"disabled": false,
"description": {
"content": "(Required) A unique identifier issued to a developer for accessing an application's API.",
"type": "text/plain"
},
"key": "x-app-key",
"value": ""
},
{
"disabled": false,
"description": {
"content": "(Required) A unique key issued to developers to access the application's API.",
"type": "text/plain"
},
"key": "x-app-secret",
"value": ""
},
{
"disabled": false,
"description": {
"content": "(Required) Timestamp of the request, follows ISO8601 format: YYYY-MM-DDThh:mm:ssZ, e.g. 2023-07-16T19:23:51Z, only supports UTC time zone.",
"type": "text/plain"
},
"key": "x-timestamp",
"value": ""
},
{
"disabled": false,
"description": {
"content": "(Required) Signature algorithm version, default is 1.0.",
"type": "text/plain"
},
"key": "x-signature-version",
"value": ""
},
{
"disabled": false,
"description": {
"content": "(Required) Signature algorithm, default is HMAC-SHA1.",
"type": "text/plain"
},
"key": "x-signature-algorithm",
"value": ""
},
{
"disabled": false,
"description": {
"content": "(Required) Signature unique random number.",
"type": "text/plain"
},
"key": "x-signature-nonce",
"value": ""
},
{
"disabled": false,
"description": {
"content": "(Required) An access token is a credential that represents the authorization granted to a client (e.g., a user or an application) to access specific protected resources on behalf of a user, without needing to share their password.",
"type": "text/plain"
},
"key": "x-access-token",
"value": ""
},
{
"disabled": false,
"description": {
"content": "(Required) API interface version. Supported values: `v2`, `v3`.",
"type": "text/plain"
},
"key": "x-version",
"value": ""
},
{
"disabled": false,
"description": {
"content": "(Required) A signature is a unique digital fingerprint, typically encrypted, that verifies the authenticity and integrity of a message or transaction, ensuring it has not been tampered with during transmission.",
"type": "text/plain"
},
"key": "x-signature",
"value": ""
},
{
"key": "Accept",
"value": "application/json"
}
],
"method": "GET"
}
}
```