Web Services


Used to notify that a user has started listening to a track. Parameter names are case sensitive.


artist (Required) : The artist name.
track (Required) : The track name.
album (Optional) : The album name.
trackNumber (Optional) : The track number of the track on the album.
context (Optional) : Sub-client version (not public, only enabled for certain API keys)
mbid (Optional) : The MusicBrainz Track ID.
duration (Optional) : The length of the track in seconds.
albumArtist (Optional) : The album artist - if this differs from the track artist.
api_key (Required) : A API key.
api_sig (Required) : A method signature. See authentication for more information.
sk (Required) : A session key generated by authenticating a user via the authentication protocol.


This service requires authentication. Please see our authentication how-to.
This is a write service and must be accessed with an HTTP POST request. All parameters should be sent in the POST body, including the 'method' parameter. See rest requests for more information.

Sample Response

<?xml version='1.0' encoding='utf-8'?>
<lfm status="ok">
    <track corrected="0">Test Track</track>
    <artist corrected="0">Test Artist</artist>
    <album corrected="0"></album>
    <albumArtist corrected="0"></albumArtist>
    <ignoredMessage code="0"></ignoredMessage>
Hover over the underlined tags and attributes to get detailed information.


  • 16 : The service is temporarily unavailable, please try again.
  • 2 : Invalid service - This service does not exist
  • 3 : Invalid Method - No method with that name in this package
  • 4 : Authentication Failed - You do not have permissions to access the service
  • 5 : Invalid format - This service doesn't exist in that format
  • 6 : Invalid parameters - Your request is missing a required parameter
  • 7 : Invalid resource specified
  • 8 : Operation failed - Something else went wrong
  • 9 : Invalid session key - Please re-authenticate
  • 10 : Invalid API key - You must be granted a valid key by
  • 11 : Service Offline - This service is temporarily offline. Try again later.
  • 13 : Invalid method signature supplied
  • 16 : There was a temporary error processing your request. Please try again
  • 26 : Suspended API key - Access for your account has been suspended, please contact
  • 29 : Rate limit exceeded - Your IP has made too many requests in a short period