FOforum
Source Data

Get source history

Returns published values of an Attention Index within a time range, oldest first, with the raw index value and each source's score.

start, end, interval and limit work as in GET /indices/{name}/history. An unknown index name returns an empty array.

Requires an API key whose owner belongs to an approved institution. See Authentication.

get/indices/{name}/history/sources

Request

  • Base URL
    https://api.forum.market/v1
  • Auth
    API key in header FORUM-ACCESS-KEY and API key in header FORUM-ACCESS-TIMESTAMP and API key in header FORUM-ACCESS-SIGN

Path parameters

namestring required

The index name, which is the index’s ticker followed by -IDX. GET /indices returns every name.

Query parameters

startstring date-time required

Start of the time range (ISO 8601, inclusive).

endstring date-time

End of the time range (ISO 8601, inclusive). Defaults to the current time.

intervalstring

Resolution of the returned values. Use raw for every published value, 8h, or a whole number of days such as 1d or 7d.

limitinteger

Maximum number of values to return. When more values match, the most recent ones are returned.

Response

Index values with their sources, oldest first.

idinteger required

Unique ID of the published value.

namestring required

The index name.

valuenumber required

The published Attention Index value (after EMA smoothing).

rawnumber required

The Raw Index value before EMA smoothing.

timestampstring date-time required

When the value was published (ISO 8601, UTC).

scheduledAtstring date-time nullable required

The publication slot the value was produced for (ISO 8601, UTC), or null if none was recorded.

sourceValuesobject required

Each source's score at this publication, before weighting, keyed by source identifier such as youtube, reddit, x or google_trends.

backfillVersionstring nullable required

Null for a value recorded live. Otherwise the value was reconstructed after the fact, and this names the method that produced it.

Example response

[
  {
    "id": 505595,
    "name": "FORTNITE-IDX",
    "value": 56.576344892425176,
    "raw": 56.21093815276502,
    "timestamp": "2026-10-22T20:03:00.047Z",
    "scheduledAt": "2026-10-22T20:03:00.000Z"
  }
]

Changes

No recorded changes to this operation across all 1 revision of this API.