Get historical market metric time series for an item
Returns historical data points for the requested source and metric combinations of an item over a time range. Each series is a list of timestamped values suitable for plotting price and volume history.
Request Body
application/json
TypeScript Definitions
Use the request body type in TypeScript.
Response Body
application/json
application/json
application/json
application/json
application/json
application/json
curl -X POST "https://loading/analytics.v1.Analytics/GetMarketObservationTimeSeries" \ -H "Content-Type: application/json" \ -d '{ "marketHashName": "AK-47 | Redline (Field-Tested)", "sourceMetrics": [ { "source": "market-csgo", "metric": "listing-price" } ], "startTime": "2026-06-22T00:00:00Z", "endTime": "2026-06-29T00:00:00Z" }'{
"series": [
{
"source": "market-csgo",
"metric": "listing-price",
"points": [
{
"timestamp": "2026-06-22T00:00:00Z",
"value": 151200
},
{
"timestamp": "2026-06-23T00:00:00Z",
"value": 150400
}
]
}
]
}{
"code": "invalid_argument",
"message": "The request was malformed, such as a missing required field or an unparseable cursor."
}{
"code": "unauthenticated",
"message": "The request lacks a valid API key in the Authorization header."
}{
"code": "permission_denied",
"message": "The API key is not allowed to perform this action on this workspace."
}{
"code": "resource_exhausted",
"message": "The request was rate limited. Slow down and retry later."
}{
"code": "internal",
"message": "An internal server error occurred."
}GetAvailableMetrics
Returns the set of source and metric combinations that currently have data for a given item, so a caller knows which series it can chart or filter on. An item with no recorded data returns an empty list.
GetPricing
Returns the most recent price, bid, listing count, volume, and liquidity figures for one or more items, optionally narrowed to specific market sources. Every monetary value is reported in US cents.