livefree+
Market capitalization
Total USD value of BTC in circulation; ?series=true for the history (refreshed ~weekly upstream).
| Category | Crypto markets |
|---|---|
| Product | Bitcoin network |
| Metric | Market capitalization |
| Unit | usd |
| Cadence | weekly |
| Shape | object |
| Minimum plan | free |
| Venues | crypto_network |
| Entities | n/a |
| Entity param | not required |
| Endpoint | GET /v1/data/crypto/network/market_cap |
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.