Data API
Developers
Programmatic access to SMR20 prices, historical series, and grade reference data over a simple REST API.
Quick start
Send your API key in the x-api-key header. Every response is JSON and rate-limited per your tier.
Base URL
https://smr20.com/api/v1cURL
curl -H "x-api-key: smr20_demo_key_free_0001" \
https://smr20.com/api/v1/prices/today