List colorado home-rule cities on a registration
List Colorado home-rule cities from sales on this registration's filings. The registration is looked up across every organization your credential owns, so no selector is needed for a known id. Returns 404 if the registration does not exist or is not visible to your credential, so the API never confirms an id exists. A registration that is not Colorado sales tax, or has no matching sales, returns an empty list. Returns 503 when the lookup is unavailable; retry after the Retry-After delay.
Authorization
Headers
Release date, as YYYY-MM-DD. Defaults to 2026-07-21.
Narrow the request to one organization (Organization-Id selector).
Narrow the request to a connection's organization.
Narrow the request to a platform entity's organization.
Optional source to disambiguate an Entity-Id.
Path parameters
The unique identifier of the registration.
Response
Home-rule city display names from non-archived transactions with status COMMITTED, PARTIALLY_REFUNDED or FULLY_REFUNDED on this registration's filings (every filing status), sorted A to Z. Empty when the registration is not Colorado sales tax or has no such sales.
Successful Response
The request was invalid.
Authentication failed or was missing.
The credential is not permitted for this request.
The requested resource was not found.
The request conflicts with existing state.
The request failed validation.
A service this request depends on was unavailable. Retry the request.