# Get historical data for an address

Returns historical USD snapshots for the specified address.

Endpoint: GET /history/address/{address}
Version: 1.0.0
Security: ApiKeyAuth

## Path parameters:

  - `address` (string, required)
    The address to lookup.

## Query parameters:

  - `chain` (string)
    Optional chain parameter.

## Response 200 fields (application/json):

  - `time` (string)
    Example: "2025-08-18T16:34:32Z"

  - `usd` (number)
    Example: 20468.10700821187

## Response 400 fields (application/json):

  - `error` (string)
    Example: "Bad request"

## Response 401 fields (application/json):

  - `error` (string)
    Example: "API key missing or invalid"