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Sunspot number
Latest monthly international sunspot number; add ?series=true for the full history (deep, chartable).
| Category | Absurd cosmos |
|---|---|
| Product | Solar cycle |
| Metric | Sunspot number |
| Unit | sunspots |
| Cadence | monthly |
| Shape | object |
| Minimum plan | free |
| Venues | gov_geophysical |
| Entities | n/a |
| Entity param | not required |
| Endpoint | GET /v1/data/absurd_cosmos/solar_cycle/sunspot_number |
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.