Mortgage Rate Data · Freddie Mac PMMS
A single, authenticated source of mortgage rate data for every Kaleidico client site. Pulled from the Federal Reserve, refreshed every Thursday, served to your calculators and rate widgets.
Source: Freddie Mac Primary Mortgage Market Survey, via the Federal Reserve Bank of St. Louis (FRED).
The broader economic data behind the rates, for market-trend content and analysis. Updated as the Federal Reserve publishes it.
Source: Federal Reserve Bank of St. Louis (FRED). Frequencies vary by series (daily, monthly, quarterly).
Three read endpoints, versioned from day one. Authenticate with a client key issued per site.
/v1/rates/currentLatest value per series/v1/rates/historyTime series for charts/v1/seriesCatalog of tracked seriesEvery request requires Authorization: Bearer <api_key>. Responses are wrapped in a { data, meta } envelope.