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ETF Data (V2)

Bitcoin and Ethereum spot ETF flow data, AUM, and historical trends.

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GET /v2/etf/{etf_type}

Current ETF metrics — flows, AUM, and holdings. Path parameters:
  • etf_type — btc or eth
curl "https://api.crypton.dev/v2/etf/btc"
curl "https://api.crypton.dev/v2/etf/eth"

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GET /v2/etf/{etf_type}/history

Historical ETF flow data. 
curl "https://api.crypton.dev/v2/etf/btc/history"
curl "https://api.crypton.dev/v2/etf/eth/history"

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GET /v2/exchange-reserves

Exchange proof-of-reserves data (from DefiLlama). 
curl "https://api.crypton.dev/v2/exchange-reserves"