February 2026 - New TEASED market state

Changes to the API since October 2025.

Added

A new market state TEASED (Swedish Underhand) is now available for listings.

This state indicates that a listing is being marketed privately before being publicly listed for sale.

Reading the market state

The publicationStatus.marketState field on listings may now return TEASED as a value.

Setting the market state

TEASED is now a valid value for the POST /listings/{listing_id}/update_market_state endpoint (docs).

Eligibility

Teased listings are only shown for brokers whose agency has signed the HQ partnership agreement. If listing is not eligible for teased status, the API will respond with a TransitionError.

A listing is not eligible for the TEASED market state if:

• it has already been published as UPCOMING or FOR_SALE.
• it is a new construction listing, i.e. a project, project unit or has the new construction flag set to true.

This is a non exhaustive list that can be extended, so it's a good idea to handle this error somewhat agnostically.

TransitionError example:

{
  "errors": [
    {
      "type": "TransitionError",
      "message": "..."
    }
  ]
}