You can access the Cross-Venue Prediction Market Spread Monitor programmatically from your own applications by using the Apify API. You can also choose the language preference from below. To use the Apify API, you’ll need an Apify account and your API token, found in API & Integrations in Apify Console.

Python

JavaScript

CLI

OpenAPI

HTTP

MCP

1from apify_client import ApifyClient
2
3# Initialize the ApifyClient with your Apify API token
4# Replace '<YOUR_API_TOKEN>' with your token.
5client = ApifyClient("<YOUR_API_TOKEN>")
6
7# Prepare the Actor input
8run_input = {}
9
10# Run the Actor and wait for it to finish
11run = client.actor("obsequious_doughnut/cross-venue-market-spread-monitor").call(run_input=run_input)
12
13# Fetch and print Actor results from the run's dataset (if there are any)
14print(f"💾 Check your data here: https://console.apify.com/storage/datasets/{run.default_dataset_id}")
15for item in client.dataset(run.default_dataset_id).iterate_items():
16    print(item)
17
18# 📚 Want to learn more 📖? Go to → https://docs.apify.com/api/client/python/docs/quick-start

Cross-Venue Prediction Market Spread Monitor API in Python

The Apify API client for Python is the official library that allows you to use Cross-Venue Prediction Market Spread Monitor API in Python, providing convenience functions and automatic retries on errors.

Install the apify-client

$pip install apify-client

Other API clients include:

Cross-Venue Prediction Market Spread Monitor API in JavaScript

Cross-Venue Prediction Market Spread Monitor API through CLI

Cross-Venue Prediction Market Spread Monitor OpenAPI definition

Cross-Venue Prediction Market Spread Monitor API

Polymarket & Kalshi Arbitrage Monitor

automation-lab/polymarket-kalshi-arbitrage-monitor

Match public Polymarket and Kalshi binary contracts, compare outcome prices, and export confidence evidence with candidate cross-market spread calculations.

Stas Persiianenko

Prediction Market Data Suite (Polymarket + Kalshi)

ichigowa/prediction-market-data-suite

Unified, normalized prediction-market data from Polymarket and Kalshi: market listings, live prices, orderbooks, recent trades and official resolutions in one cross-platform schema. No auth required.

kyle herman

Prediction Markets Feed — Polymarket, Kalshi, Manifold

dirtycode/prediction-markets-feed

Unified, normalized live odds across prediction markets — Polymarket, Kalshi and Manifold in one schema, one call. Implied probability, spread, volume, open interest and market lifecycle. Public data: no login, no API key, no account.

Dirtycode

Polymarket + Kalshi - Prediction Market Intelligence

straightforward_hydra/prediction-market-intelligence

Unified live odds & implied probabilities from Polymarket and Kalshi in one feed. No key.

Dev D

Prediction Markets Scraper - Polymarket & Kalshi Combined

feedforge/prediction-markets-scraper

Scrape Polymarket and Kalshi prediction markets in one run. Odds, prices, volume and close dates on one schema, as JSON or CSV.

Dominik

Kalshi Scraper | Prediction Market API

parsebird/kalshi-scraper

Extract prediction market data from Kalshi: series, events, markets, prices, volume, and resolution rules. Search by keyword or paste Kalshi market URLs.

ParseBird

Polymarket Scraper — Markets, Prices, Odds & Order Books

pixflor/polymarket-markets-scraper

Export live Polymarket prediction-market data as clean rows: question, Yes/No prices, implied probability, spread, liquidity, 24h volume, resolution date and optional order-book depth.

Pixflor

Polymarket Kalshi Arbitrage Finder & Monitor

antndev/polymarket-kalshi-arbitrage-finder

Finds matched markets across Polymarket and Kalshi and computes fee-adjusted, order-book-depth-aware arbitrage edges. Monitor mode emits only new or changed opportunities and can push webhook alerts.

Anton König

Polymarket Market Data Scraper

meticulous_sweetwilliam/polymarket-market-data

Extract real-time Polymarket prediction market data: market metadata, prices, volumes, liquidity, and event outcomes. Scrapes the Polymarket API and Gamma Markets API for comprehensive prediction market analytics.

Leo

Prediction Market Odds API — Polymarket + Kalshi

westerly_breaker/prediction-market-odds-api

Search or look up Polymarket and Kalshi prediction markets and get one unified JSON schema back: prices, volume, liquidity, order books, and de-vigged fair probabilities (multiplicative/power method). No API key needed — built for research, arbitrage-scanning, and AI agents.