# CryptoCompare Streaming WebSocket

**Canonical:** https://apis.io/apis/cryptocompare/streamer/  
**Provider:** CryptoCompare — https://apis.io/providers/cryptocompare/  
**Base URL:** wss://streamer.cryptocompare.com/v2  
**Documentation:** https://developers.coindesk.com/documentation/legacy-websockets/HowToConnect

CryptoCompare Streaming WebSocket is one of 18 APIs that [CryptoCompare](https://apis.io/providers/cryptocompare/) publishes on the [APIs.io](https://apis.io/) network, described by an AsyncAPI event-driven specification. Tagged areas include Cryptocurrency, Streaming, WebSocket, Order Book, and OHLCV. The published artifact set on APIs.io includes API documentation and an AsyncAPI specification.

Single secure WebSocket endpoint multiplexing every subscription via tilde-delimited subscription strings (e.g. 5~CCCAGG~BTC~USD). Channel types: Trade (0), Ticker (2), Aggregate Index / CCCAGG (5), Order Book L2 update (8), Order Book L2 snapshot (9), Full Volume (11), Top Tier Full Volume (21), OHLC Candles (24), and Top of Order Book (30). Control envelopes include Welcome (20), SubscribeComplete (16), UnsubscribeComplete (17), LoadComplete (3), UnsubscribeAllComplete (18), Heartbeat (999), Unauthorized (401), RateLimit (429), and ServerError (500).

## Machine-readable artifacts (11)

- **Documentation** — https://developers.coindesk.com/documentation/legacy-websockets/HowToConnect
- **AsyncAPI** — https://raw.githubusercontent.com/api-evangelist/cryptocompare/refs/heads/main/asyncapi/cryptocompare-asyncapi.yml
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/cryptocompare/refs/heads/main/apis.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/cryptocompare/refs/heads/main/arazzo/cryptocompare-asset-research-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/cryptocompare/refs/heads/main/arazzo/cryptocompare-coin-price-snapshot-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/cryptocompare/refs/heads/main/arazzo/cryptocompare-coin-social-pulse-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/cryptocompare/refs/heads/main/arazzo/cryptocompare-exchange-discovery-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/cryptocompare/refs/heads/main/arazzo/cryptocompare-market-cap-leaders-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/cryptocompare/refs/heads/main/arazzo/cryptocompare-news-feed-filter-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/cryptocompare/refs/heads/main/arazzo/cryptocompare-spot-instrument-analysis-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/cryptocompare/refs/heads/main/arazzo/cryptocompare-top-volume-deep-dive-workflow.yml

## Other CryptoCompare APIs (12)

- [CryptoCompare Exchange Benchmark](https://apis.io/apis/cryptocompare/exchange-benchmark/)
- [CryptoCompare Asset API](https://apis.io/apis/cryptocompare/cryptocompare-asset-api/)
- [CryptoCompare Blockchain API](https://apis.io/apis/cryptocompare/cryptocompare-blockchain-api/)
- [CryptoCompare Coins API](https://apis.io/apis/cryptocompare/cryptocompare-coins-api/)
- [CryptoCompare Exchanges API](https://apis.io/apis/cryptocompare/cryptocompare-exchanges-api/)
- [CryptoCompare Futures API](https://apis.io/apis/cryptocompare/cryptocompare-futures-api/)
- [CryptoCompare Historical API](https://apis.io/apis/cryptocompare/cryptocompare-historical-api/)
- [CryptoCompare Index API](https://apis.io/apis/cryptocompare/cryptocompare-index-api/)
- [CryptoCompare News API](https://apis.io/apis/cryptocompare/cryptocompare-news-api/)
- [CryptoCompare On-Chain API](https://apis.io/apis/cryptocompare/cryptocompare-on-chain-api/)
- [CryptoCompare Options API](https://apis.io/apis/cryptocompare/cryptocompare-options-api/)
- [CryptoCompare Order Book API](https://apis.io/apis/cryptocompare/cryptocompare-order-book-api/)

## Tags

Cryptocurrency, Streaming, WebSocket, Order Book, OHLCV

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/cryptocompare/streamer/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/cryptocompare/.