sifting/io
Crypto · CEX

Optimism / US Dollar (OPUSD) market data

Optimism priced in USD (OPUSD).

Reference data

Symbol
OPUSD
Name
Optimism / US Dollar
Asset class
Crypto
Venue
CEX
Base asset
OP
Quote asset
USD
Currency
USD
Base asset
Optimism

OPUSD Crypto Price and Market Data API

Access OPUSD crypto price and market data through SiftingIO's REST and WebSocket APIs, including latest price data, historical records, and live updates where available.

Use crypto/OPUSD for request-based access through REST, or use the same symbol key with WebSocket streams for real-time crypto market updates.

REST · last trade
curl -H "X-API-Key: $SIFTING_API_KEY" \
  "https://api.sifting.io/v1/last/trade/crypto/OPUSD"
WebSocket · subscribe
# Connect (set SIFTING_API_KEY first)wscat -c "wss://stream.sifting.io/ws/v1?key=$SIFTING_API_KEY" # Then send this subscribe frame:{ "op": "subscribe", "product": "cex", "symbols": ["OPUSD"] }

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Related reading

Optimism / US Dollar Price (OPUSD): Live & Historical Data API · SiftingIO