CoinMarketCap WebSocket API
integer[] · requiredstring · requiredstring · enum · requiredstring · requiredobject · requiredinteger · int64 · required
CEX spot quotes via market@crypto_latest_price. Subscribe with crypto_ids (14 fields; ~5s for top 500 by rank, ~15s for other subscribed IDs). Plan: Startup and above.
Latest Price
GET
wss://pro-stream.coinmarketcap.com
/v1
Subscribe with crypto_ids. Pushes 14 fields ~5s for top 500 by rank, ~15s for all other cryptocurrencies. Plan: Startup and above.
Channel: market@crypto_latest_price
Request example
Code
query Parameters
crypto_idsCoinMarketCap cryptocurrency IDs.
Headers
X-CMC_PRO_API_KEYYour CoinMarketCap Pro API key
Default: YOUR_API_KEY
Latest Price › Responses
200
Streaming data push (type: data).
typeMessage type (envelope): welcome / ack / data / error / pong
Enum values:
data
channelChannel identifier
paramsSubscribe params echo (envelope)
CryptoLatestPriceFullPayload · required
Payload data (envelope)
tsServer timestamp (epoch ms)