CS2Cap gives you normalized market data from 41 CS2 marketplaces — including BUFF163, CSFloat, GameBoost, Skinport, Steam, and more — through a single REST API. Whether you’re building a trading bot, pricing tool, or portfolio tracker, CS2Cap handles the data aggregation so you don’t have to.Documentation Index
Fetch the complete documentation index at: https://docs.cs2cap.com/llms.txt
Use this file to discover all available pages before exploring further.
Quickstart
Make your first API call in under 5 minutes with cURL, Python, or JavaScript.
Authentication
Get your API key and learn how to authenticate every request.
API Reference
Explore all endpoints: prices, bids, sales, analytics, and more.
Pricing & Plans
Compare Free, Starter, Pro, and Quant tiers by endpoint access and quotas.
What you can build
CS2Cap powers a wide range of CS2 applications:Price Aggregation
Query lowest asks across all providers at once with 5–10 minute data freshness.
Buy Order Tracking
Monitor highest buy orders across 11 buy-order-enabled marketplaces.
Market Analytics
Arbitrage scanning, technical indicators, and market cap indexes for Quant users.
Portfolio Management
Track holdings, import from Steam, record transactions, and value portfolios in real time.
Get started in 3 steps
Create an account
Sign up at cs2cap.com, verify your email address, and generate your API key from the Account page.
Make your first request
Pass your key in the
Authorization: Bearer header and query /prices to get live prices for any CS2 item.Explore the API
Browse the API Reference to discover endpoints for bids, sales, portfolio management, and advanced analytics.