Market metric

Exchange Premium Index API

This Rexilion API metric page documents Exchange Premium Index for Bitcoin data integrations.

Use GET /v1/metrics/market/exchange_premium_index with X-API-Key authentication, a=BTC, i=1h or 1d, ex=coinbase_spot, ref_ex=binance_spot, and optional UTC millisecond bounds.

• Rexilion API overview
• Authentication
• Errors
• Metric changelog
• OpenAPI JSON
• Market metric docs