livefree+
Market indices
Metrics
S&P 500 index
live freeS&P 500 index level; ?series=true for the daily history.
Nasdaq Composite index
live freeNasdaq Composite index level; ?series=true for the daily history.
Pull Market indices data
Each metric above lists its endpoint. Requires thefree plan or higher. Get a key and start pulling live, fully sourced responses.