livefree+
S&P 500 index
S&P 500 index level; ?series=true for the daily history.
| Category | Stocks |
|---|---|
| Product | Market indices |
| Metric | S&P 500 index |
| Unit | index |
| Cadence | daily |
| Shape | object |
| Minimum plan | free |
| Venues | market_ref |
| Entities | n/a |
| Entity param | not required |
| Endpoint | GET /v1/data/stocks/indices/sp500 |
What you get back
Every response is one envelope: { data, meta, provenance }. data is the value, meta carries a live confidence score and a stalenessfigure, and provenance names the contributing venues and the method — so you can audit freshness and lineage without a second call.
Live today. Pulling data needs a free API key; browsing this page and the catalog needs none.