Registry indexed
Subscribe to live Hyperliquid data over WebSocket from the desk computer - mids, order book, trades, candles, best bid/offer, and per-account fills, order updates and events - with raw JSON, Python SDK and TypeScript examples, plus how to run a supervised watch that logs to a fil
Subscribe to live Hyperliquid data over WebSocket from the desk computer - mids, order book, trades, candles, best bid/offer, and per-account fills, order updates and events - with raw JSON, Python SDK and TypeScript examples, plus how to run a supervised watch that logs to a file and alerts. Read-only. Use for monitoring, fill notifications and any watch that polling would make expensive.
Source documentation, not instructions for this website. Review permissions before running any commands.
Read-only, no key. Endpoints: wss://api.hyperliquid.xyz/ws (mainnet), wss://api.hyperliquid-testnet.xyz/ws (testnet). Prefer WebSocket over polling for anything continuous: fills, order updates, book and price watches.
Subscribe: {"method": "subscribe", "subscription": {...}}. Unsubscribe with "method": "unsubscribe". The server acknowledges with {"channel": "subscriptionResponse", ...} then streams {"channel": "<type>", "data": ...}. Send {"method": "ping"} periodically (the SDKs do it for you; the server expects activity within about a minute) and expect {"channel": "pong"}.
Subscription types the desk uses:
| Type | Subscription JSON | Data |
|---|---|---|
| Mids for all markets | {"type":"allMids"} (optional "dex") | {"mids": {"BTC": "97123.5", ...}} |
| Order book | {"type":"l2Book","coin":"ETH"} (optional nSigFigs, mantissa, fast: true for 5 levels) | {"coin","time","levels":[bids,asks]}, up to 20 levels a side, pushed on each block at least 0.5 s after the last push |
| Trades | {"type":"trades","coin":"ETH"} | array of {coin, side, px, sz, time, hash, tid, users} |
| Candles | {"type":"candle","coin":"ETH","interval":"1m"} | {t,T,s,i,o,c,h,l,v,n} updated in place until the bar closes |
| Best bid/offer | {"type":"bbo","coin":"ETH"} | {"coin","time","bbo":[bid, ask]} |
| Asset context | {"type":"activeAssetCtx","coin":"ETH"} | funding, OI, mark, oracle, premium, volume for one market |
| Account fills | {"type":"userFills","user":"0x..."} | {"user","isSnapshot","fills":[...]} (first message is a snapshot) |
| Order updates | {"type":"orderUpdates","user":"0x..."} | array of {order:{coin,side,limitPx,sz,oid,timestamp,origSz,cloid}, status, statusTimestamp} |
| Account events | {"type":"userEvents","user":"0x..."} | fills, funding, liquidation, non-user cancels; arrives on channel "user" |
| Account funding | {"type":"userFundings","user":"0x..."} | hourly funding payments |
| Per-market account data | {"type":"activeAssetData","user":"0x...","coin":"ETH"} | leverage setting, max trade sizes, available to trade, mark (perps only) |
| Account state stream | {"type":"clearinghouseState","user":"0x..."} / {"type":"openOrders","user":"0x..."} | {dex, user, clearinghouseState:{...REST shape...}} / {dex, user, orders:[...]} (order items carry the frontend fields: isTrigger, triggerPx, orderType, cloid), pushed |
| TWAP state | {"type":"twapStates","user":"0x...","dex":""} / {"type":"userTwapSliceFills","user":"0x..."} | running TWAPs and their slice fills |
| Frontend snapshot | {"type":"webData3","user":"0x..."} | positions, orders and context in one stream (heavy) |
Limits per IP: up to 10 connections, 30 new connections per minute, 1000 subscriptions, 10 distinct users across user subscriptions, 2000 messages per minute. The server closes a connection silent for 60 seconds. One connection per watch process is plenty.
You can also send /info requests over the socket: {"method":"post","id":1,"request":{"type":"info","payload":{"type":"allMids"}}} returns {"channel":"post","data":{"id":1,"response":{...}}}. Useful inside a watch to avoid mixing REST and WS.
import os, json, sys, time, signal
from hyperliquid.info import Info
from hyperliquid.utils import constants
NETWORK = os.environ.get("HYPERLIQUID_NETWORK", "testnet")
BASE = constants.MAINNET_API_URL if NETWORK == "mainnet" else constants.TESTNET_API_URL
ADDR = os.environ.get("HYPERLIQUID_ACCOUNT_ADDRESS")
LOG = open("/workspace/trading-desk/watch/ws.log", "a")
def on_msg(msg):
line = json.dumps({"ts": time.strftime("%Y-%m-%dT%H:%M:%SZ", time.gmtime()), "channel": msg.get("channel"), "data": msg.get("data")})
LOG.write(line + "\n"); LOG.flush()
if msg.get("channel") == "userFills" and not msg["data"].get("isSnapshot"):
for f in msg["data"]["fills"]:
print(f"FILL {f['coin']} {f['side']} {f['sz']} @ {f['px']} fee {f['fee']} oid {f['oid']} cloid {f.get('cloid')}", flush=True)
info = Info(BASE) # skip_ws=False starts the socket thread
info.subscribe({"type": "allMids"}, on_msg)
info.subscribe({"type": "l2Book", "coin": "ETH"}, on_msg)
if ADDR:
info.subscribe({"type": "userFills", "user": ADDR}, on_msg)
info.subscribe({"type": "orderUpdates", "user": ADDR}, on_msg) # one orderUpdates/userEvents subscription per Info
signal.signal(signal.SIGTERM, lambda *_: (info.disconnect_websocket(), sys.exit(0)))
while True:
time.sleep(60)
The SDK's manager pings for you but does not reconnect on drop; run it under a supervisor (see below) and treat a silent log as a dead watch. It also only routes these subscription types to your callback: allMids, l2Book, trades, candle, bbo, userEvents, userFills, orderUpdates, userFundings, userNonFundingLedgerUpdates, activeAssetCtx, activeAssetData. Others in the table (clearinghouseState, openOrders, twapStates, userTwapSliceFills, webData3, notification) are acknowledged by the server but silently dropped by the Python SDK; use the raw socket or the TypeScript client for those. The SDK routes one more type, webData2, but do not subscribe to it: the live server rejects that frame on mainnet and testnet with {"channel":"error"} and the watch never starts. webData2 survives only as an /info request; the frontend snapshot stream is webData3, which SDK 0.24.0 cannot route at all.
Run in the background from the desk computer:
mkdir -p /workspace/trading-desk/watch
nohup python3 /workspace/trading-desk/watch/ws_watch.py >> /workspace/trading-desk/watch/ws_watch.out 2>&1 &
echo $! > /workspace/trading-desk/watch/ws_watch.pid
Heartbeat check for a routine: tail -1 /workspace/trading-desk/watch/ws.log should be recent; if the pid is gone or the log is stale for more than a few minutes, restart it and note the gap.
@nktkas/hyperliquid)import { SubscriptionClient, WebSocketTransport } from "@nktkas/hyperliquid";
const isTestnet = (process.env.HYPERLIQUID_NETWORK ?? "testnet") !== "mainnet";
const transport = new WebSocketTransport({ isTestnet }); // auto-reconnect and re-subscribe by default
const subs = new SubscriptionClient({ transport });
const user = process.env.HYPERLIQUID_ACCOUNT_ADDRESS as `0x${string}`;
await subs.allMids((d) => console.log("mids", d.mids.ETH));
await subs.l2Book({ coin: "ETH" }, (d) => console.log("book", d.levels[0][0], d.levels[1][0]));
await subs.userFills({ user }, (d) => { if (!d.isSnapshot) console.log("fills", d.fills); });
const s = await subs.orderUpdates({ user }, (u) => console.log("orders", u), { onError: (e) => console.error(e) });
// await s.unsubscribe(); transport.close();
websocat wss://api.hyperliquid-testnet.xyz/ws <<'EOF'
{"method":"subscribe","subscription":{"type":"allMids"}}
EOF
A watch is a condition plus an alert (desk-monitoring). Structure every watch as: subscribe, log everything to a file, evaluate the condition on each message, post the alert once (with value, threshold, source, UTC time), then either exit or keep watching, and never call /exchange.
userFills message as new fills; it is a snapshot (isSnapshot: true).T reached) unless you want intrabar updates.@<index> on the wire (except a few like PURR/USDC); resolve via spotMeta.name: hyperliquid-websocket description: Subscribe to live Hyperliquid data over WebSocket from the desk computer - mids, order book, trades, candles, best bid/offer, and per-account fills, order updates and events - with raw JSON, Python SDK and TypeScript examples, plus how to run a supervised watch that logs to a file and alerts. Read-only. Use for monitoring, fill notifications and any watch that polling would make expensive. license: MIT metadata: version: "1.0.0" author: Galleon Labs category: hyperliquid network-default: testnet
---
name: hyperliquid-websocket
description: Subscribe to live Hyperliquid data over WebSocket from the desk computer - mids, order book, trades, candles, best bid/offer, and per-account fills, order updates and events - with raw JSON, Python SDK and TypeScript examples, plus how to run a supervised watch that logs to a file and alerts. Read-only. Use for monitoring, fill notifications and any watch that polling would make expensive.
license: MIT
metadata:
version: "1.0.0"
author: Galleon Labs
category: hyperliquid
network-default: testnet
---
# Hyperliquid WebSocket
Read-only, no key. Endpoints: `wss://api.hyperliquid.xyz/ws` (mainnet), `wss://api.hyperliquid-testnet.xyz/ws` (testnet). Prefer WebSocket over polling for anything continuous: fills, order updates, book and price watches.
## Protocol
Subscribe: `{"method": "subscribe", "subscription": {...}}`. Unsubscribe with `"method": "unsubscribe"`. The server acknowledges with `{"channel": "subscriptionResponse", ...}` then streams `{"channel": "<type>", "data": ...}`. Send `{"method": "ping"}` periodically (the SDKs do it for you; the server expects activity within about a minute) and expect `{"channel": "pong"}`.
Subscription types the desk uses:
| Type | Subscription JSON | Data |
| --- | --- | --- |
| Mids for all markets | `{"type":"allMids"}` (optional `"dex"`) | `{"mids": {"BTC": "97123.5", ...}}` |
| Order book | `{"type":"l2Book","coin":"ETH"}` (optional `nSigFigs`, `mantissa`, `fast: true` for 5 levels) | `{"coin","time","levels":[bids,asks]}`, up to 20 levels a side, pushed on each block at least 0.5 s after the last push |
| Trades | `{"type":"trades","coin":"ETH"}` | array of `{coin, side, px, sz, time, hash, tid, users}` |
| Candles | `{"type":"candle","coin":"ETH","interval":"1m"}` | `{t,T,s,i,o,c,h,l,v,n}` updated in place until the bar closes |
| Best bid/offer | `{"type":"bbo","coin":"ETH"}` | `{"coin","time","bbo":[bid, ask]}` |
| Asset context | `{"type":"activeAssetCtx","coin":"ETH"}` | funding, OI, mark, oracle, premium, volume for one market |
| Account fills | `{"type":"userFills","user":"0x..."}` | `{"user","isSnapshot","fills":[...]}` (first message is a snapshot) |
| Order updates | `{"type":"orderUpdates","user":"0x..."}` | array of `{order:{coin,side,limitPx,sz,oid,timestamp,origSz,cloid}, status, statusTimestamp}` |
| Account events | `{"type":"userEvents","user":"0x..."}` | fills, funding, liquidation, non-user cancels; arrives on channel `"user"` |
| Account funding | `{"type":"userFundings","user":"0x..."}` | hourly funding payments |
| Per-market account data | `{"type":"activeAssetData","user":"0x...","coin":"ETH"}` | leverage setting, max trade sizes, available to trade, mark (perps only) |
| Account state stream | `{"type":"clearinghouseState","user":"0x..."}` / `{"type":"openOrders","user":"0x..."}` | `{dex, user, clearinghouseState:{...REST shape...}}` / `{dex, user, orders:[...]}` (order items carry the frontend fields: `isTrigger`, `triggerPx`, `orderType`, `cloid`), pushed |
| TWAP state | `{"type":"twapStates","user":"0x...","dex":""}` / `{"type":"userTwapSliceFills","user":"0x..."}` | running TWAPs and their slice fills |
| Frontend snapshot | `{"type":"webData3","user":"0x..."}` | positions, orders and context in one stream (heavy) |
Limits per IP: up to 10 connections, 30 new connections per minute, 1000 subscriptions, 10 distinct users across user subscriptions, 2000 messages per minute. The server closes a connection silent for 60 seconds. One connection per watch process is plenty.
You can also send `/info` requests over the socket: `{"method":"post","id":1,"request":{"type":"info","payload":{"type":"allMids"}}}` returns `{"channel":"post","data":{"id":1,"response":{...}}}`. Useful inside a watch to avoid mixing REST and WS.
## Python (official SDK)
```python
import os, json, sys, time, signal
from hyperliquid.info import Info
from hyperliquid.utils import constants
NETWORK = os.environ.get("HYPERLIQUID_NETWORK", "testnet")
BASE = constants.MAINNET_API_URL if NETWORK == "mainnet" else constants.TESTNET_API_URL
ADDR = os.environ.get("HYPERLIQUID_ACCOUNT_ADDRESS")
LOG = open("/workspace/trading-desk/watch/ws.log", "a")
def on_msg(msg):
line = json.dumps({"ts": time.strftime("%Y-%m-%dT%H:%M:%SZ", time.gmtime()), "channel": msg.get("channel"), "data": msg.get("data")})
LOG.write(line + "\n"); LOG.flush()
if msg.get("channel") == "userFills" and not msg["data"].get("isSnapshot"):
for f in msg["data"]["fills"]:
print(f"FILL {f['coin']} {f['side']} {f['sz']} @ {f['px']} fee {f['fee']} oid {f['oid']} cloid {f.get('cloid')}", flush=True)
info = Info(BASE) # skip_ws=False starts the socket thread
info.subscribe({"type": "allMids"}, on_msg)
info.subscribe({"type": "l2Book", "coin": "ETH"}, on_msg)
if ADDR:
info.subscribe({"type": "userFills", "user": ADDR}, on_msg)
info.subscribe({"type": "orderUpdates", "user": ADDR}, on_msg) # one orderUpdates/userEvents subscription per Info
signal.signal(signal.SIGTERM, lambda *_: (info.disconnect_websocket(), sys.exit(0)))
while True:
time.sleep(60)
```
The SDK's manager pings for you but does **not** reconnect on drop; run it under a supervisor (see below) and treat a silent log as a dead watch. It also only routes these subscription types to your callback: `allMids`, `l2Book`, `trades`, `candle`, `bbo`, `userEvents`, `userFills`, `orderUpdates`, `userFundings`, `userNonFundingLedgerUpdates`, `activeAssetCtx`, `activeAssetData`. Others in the table (`clearinghouseState`, `openOrders`, `twapStates`, `userTwapSliceFills`, `webData3`, `notification`) are acknowledged by the server but silently dropped by the Python SDK; use the raw socket or the TypeScript client for those. The SDK routes one more type, `webData2`, but do not subscribe to it: the live server rejects that frame on mainnet and testnet with `{"channel":"error"}` and the watch never starts. `webData2` survives only as an `/info` request; the frontend snapshot stream is `webData3`, which SDK 0.24.0 cannot route at all.
Run in the background from the desk computer:
```bash
mkdir -p /workspace/trading-desk/watch
nohup python3 /workspace/trading-desk/watch/ws_watch.py >> /workspace/trading-desk/watch/ws_watch.out 2>&1 &
echo $! > /workspace/trading-desk/watch/ws_watch.pid
```
Heartbeat check for a routine: `tail -1 /workspace/trading-desk/watch/ws.log` should be recent; if the pid is gone or the log is stale for more than a few minutes, restart it and note the gap.
## TypeScript (`@nktkas/hyperliquid`)
```ts
import { SubscriptionClient, WebSocketTransport } from "@nktkas/hyperliquid";
const isTestnet = (process.env.HYPERLIQUID_NETWORK ?? "testnet") !== "mainnet";
const transport = new WebSocketTransport({ isTestnet }); // auto-reconnect and re-subscribe by default
const subs = new SubscriptionClient({ transport });
const user = process.env.HYPERLIQUID_ACCOUNT_ADDRESS as `0x${string}`;
await subs.allMids((d) => console.log("mids", d.mids.ETH));
await subs.l2Book({ coin: "ETH" }, (d) => console.log("book", d.levels[0][0], d.levels[1][0]));
await subs.userFills({ user }, (d) => { if (!d.isSnapshot) console.log("fills", d.fills); });
const s = await subs.orderUpdates({ user }, (u) => console.log("orders", u), { onError: (e) => console.error(e) });
// await s.unsubscribe(); transport.close();
```
## Raw (websocat or any client)
```bash
websocat wss://api.hyperliquid-testnet.xyz/ws <<'EOF'
{"method":"subscribe","subscription":{"type":"allMids"}}
EOF
```
## Watch pattern
A watch is a condition plus an alert (`desk-monitoring`). Structure every watch as: subscribe, log everything to a file, evaluate the condition on each message, post the alert once (with value, threshold, source, UTC time), then either exit or keep watching, and never call `/exchange`.
## Pitfalls
- Treating the first `userFills` message as new fills; it is a snapshot (`isSnapshot: true`).
- Candle messages repeat for the open bar; act on bar close (`T` reached) unless you want intrabar updates.
- Spot coins are named `@<index>` on the wire (except a few like `PURR/USDC`); resolve via `spotMeta`.
- Silent disconnects. Log a heartbeat and supervise.
- Running many watches on the shared computer; each is a process. Keep it to what the desk needs.
Skill source recorded
Skill instructions are recorded. This is not a runtime test, safety guarantee or compatibility certification.
Review before install: Avoid automatic install
License: MIT
Listed tools are metadata hints, not tested compatibility. Agent prompts are suggested handoffs.
Repository metadata and review signals are advisory. Popularity, source discovery and successful execution are different facts.
Version reported in registry metadata; check source releases before relying on it.
Quality
59/100
Promising
Trust
61
This page exposes the same decision, trust, audit, use-case, and install signals through the Registry API, so agents can rank this skill without scraping the UI.
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"install": "npx skills add galleonlabs/hypergrok-trading-desk --skill hyperliquid-websocket",
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"successfulOutcomes": 0,
"failedOutcomes": 0,
"installAttempts": 0,
"installSuccessRate": null,
"successRate": null,
"recentSuccessRate": null,
"recentFailureRate": null,
"riskBlocked": 0,
"setupRequired": 0,
"notRelevant": 0,
"avgOutputQuality": null,
"avgTimeToUsefulMs": null,
"productionOutcomes": 0,
"humanReviewRequired": 0,
"uniqueAgents": 0,
"lastOutcomeAt": null
},
"signals": [],
"penalties": [
"No real agent outcome evidence yet"
]
},
"audit": {
"score": 73,
"risk_level": "needs_review",
"risk_label": "Needs review",
"warnings": [
"Dependency or permission surface needs review",
"Permission surface may require sandboxing",
"Financial research output is not financial advice; require human review before any live investment decision",
"AI review approval is missing",
"Financial research output is not financial advice; require human review before any live investment decision.",
"Quality score needs review",
"Permission surface needs review: secrets or environment access, shell or command execution",
"GitHub adoption: 59 GitHub stars"
]
},
"safety_gate": {
"tier": "blocked",
"label": "Blocked for auto-install",
"auto_install_policy": "block",
"auto_install_allowed": false,
"human_review_required": true,
"blocked": true,
"recommended_action": "Do not auto-install. Inspect the source, dependencies, and permission surface first."
},
"quality": {
"score": 59,
"label": "Promising"
},
"supply": {
"track": "Design and creative production",
"scenario": "Design and creative",
"maintenance": "5d since push",
"risk": "Needs review"
},
"alternative_skills": [],
"do_not_use_when": [
"teams that need a vendor-supported SLA",
"high-compliance environments without internal security review",
"No OpenAgentSkill engagement data yet",
"High-risk permission hints: Shell or command execution, Secrets or environment access",
"Dependency or permission surface needs review",
"Permission surface may require sandboxing",
"Financial research output is not financial advice; require human review before any live investment decision",
"AI review approval is missing"
],
"agent_contract": {
"task_input": "Use hyperliquid-websocket in an agent workflow",
"recommended_action": "Do not auto-install. Inspect the source, dependencies, and permission surface first.",
"install_policy": "block",
"minimum_review_before_use": [
"Trust: 69/100 Manual review",
"Audit: 73/100 Needs review",
"Safety: 33/100 Avoid automatic install",
"Review repository, license, install command, and permission surface before production use."
],
"expected_agent_output": {
"selected_skill": "galleonlabs-hyperliquid-websocket (hyperliquid-websocket)",
"install_command": "npx skills add galleonlabs/hypergrok-trading-desk --skill hyperliquid-websocket",
"risk_summary": "Needs review; Blocked for auto-install; Review before production",
"verification_result": "Report the smallest successful task, files touched, warnings, and any missing setup."
}
},
"outcome_feedback": {
"endpoint": "https://www.openagentskill.com/api/agent/outcome",
"method": "POST",
"requires_resolve_event_id": true,
"event_id_source": "Use install_receipt.outcome_feedback.event_id or feedback.event_id returned by /api/agent/resolve for the current task.",
"expected_outcomes": [
"success",
"failed",
"not_relevant",
"blocked_by_risk",
"setup_required"
],
"payload_template": {
"event_id": "<install_receipt.outcome_feedback.event_id or feedback.event_id from /api/agent/resolve>",
"skill_slug": "galleonlabs-hyperliquid-websocket",
"task": "Use hyperliquid-websocket in an agent workflow",
"agent": "codex",
"outcome": "success",
"install_used": true,
"risk_blocked": false,
"setup_required": false,
"task_success": true,
"output_quality": 4,
"error_type": null,
"human_review_required": false,
"workspace": "sandbox",
"time_to_useful_ms": 120000,
"notes": "Report the smallest successful task, setup friction, files touched, and risk notes."
}
},
"endpoints": {
"web": "https://www.openagentskill.com/skills/galleonlabs-hyperliquid-websocket",
"api": "https://www.openagentskill.com/api/agent/skills/galleonlabs-hyperliquid-websocket",
"audit": "https://www.openagentskill.com/skills/galleonlabs-hyperliquid-websocket/audit",
"eval": "https://www.openagentskill.com/api/agent/evals?slug=galleonlabs-hyperliquid-websocket&task=Use%20hyperliquid-websocket%20in%20an%20agent%20workflow&max_risk=medium",
"resolve": "https://www.openagentskill.com/api/agent/resolve?task=Use%20hyperliquid-websocket%20in%20an%20agent%20workflow&agent=codex&max_risk=medium",
"receipt": "https://www.openagentskill.com/api/agent/receipt?task=Use%20hyperliquid-websocket%20in%20an%20agent%20workflow&agent=codex&max_risk=medium&format=text",
"install": "https://www.openagentskill.com/api/skills/galleonlabs-hyperliquid-websocket/install",
"manifest": "https://www.openagentskill.com/api/registry/manifest/galleonlabs-hyperliquid-websocket"
}
}Listing source
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[](https://www.openagentskill.com/skills/galleonlabs-hyperliquid-websocket/audit)
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Check the source for dependencies, API keys and third-party costs. A public repository does not mean every service is free.
Sandbox only
Audit
73/100
Needs review
Copies are not installs. Installation counts require a reported successful installation; they are not a blanket quality guarantee.