Whale tracking

curl --request GET \
  --url https://api.probsights.com/whales/user/feed \
  --header 'X-API-Key: <api-key>'

import requests

url = "https://api.probsights.com/whales/user/feed"

headers = {"X-API-Key": "<api-key>"}

response = requests.get(url, headers=headers)

print(response.text)

const options = {method: 'GET', headers: {'X-API-Key': '<api-key>'}};

fetch('https://api.probsights.com/whales/user/feed', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

GET

whales

user

feed

Whale tracking

curl --request GET \
  --url https://api.probsights.com/whales/user/feed \
  --header 'X-API-Key: <api-key>'

import requests

url = "https://api.probsights.com/whales/user/feed"

headers = {"X-API-Key": "<api-key>"}

response = requests.get(url, headers=headers)

print(response.text)

const options = {method: 'GET', headers: {'X-API-Key': '<api-key>'}};

fetch('https://api.probsights.com/whales/user/feed', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

Monitor large trades across Kalshi and Polymarket. A whale trade is any stored trade whose notional (abs(price × size)) meets the threshold on a tracked event. The playground below targets the user feed. Watchlist and stats routes are listed in the examples.

Request

https://api.probsights.com/whales/user/feed

Query parameters

limit

integer

default:"50"

1–500.

offset

integer

default:"0"

Pagination offset.

start_date

string

ISO timestamp lower bound on trade time.

end_date

string

ISO timestamp upper bound on trade time.

platform

string

kalshi or polymarket.

event_id

string

Watchlist event id.

min_trade_size

number

Override the event threshold for the request.

Examples

Whale feed

curl -H "X-API-Key: YOUR_API_KEY" \
  "https://api.probsights.com/whales/user/feed?limit=50&min_trade_size=1000"

import requests

response = requests.get(
    "https://api.probsights.com/whales/user/feed",
    headers={"X-API-Key": "YOUR_API_KEY"},
    params={"limit": 50, "min_trade_size": 1000},
)
feed = response.json()

Watchlist

curl -H "X-API-Key: YOUR_API_KEY" \
  "https://api.probsights.com/whales/user/events"

curl -X POST -H "X-API-Key: YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"exchange":"kalshi","event_ticker":"KXBTC","whale_threshold_usd":1000}' \
  "https://api.probsights.com/whales/user/events/by-ticker"

Stats

curl -H "X-API-Key: YOUR_API_KEY" \
  "https://api.probsights.com/whales/user/stats?period=24h"

period accepts 24h, 7d, or all.

Price spreads

⌘I

Getting started

Search

Historical

Arbitrage

Whales

Whale tracking

Request

Query parameters

Examples

Whale feed

Watchlist

Stats

​Request

​Query parameters

​Examples

​Whale feed

​Watchlist

​Stats

Request

Query parameters

Examples

Whale feed

Watchlist

Stats