CS2 Buff API & Third-Party Marketplace Prices
All Markets, One API
Access real-time CS2 skin prices from Buff, Youpin, Skinport, DMarket, Waxpeer and 5 more marketplaces through a single, unified API. Including Doppler & Gamma Doppler phase-specific pricing.
10 Third-Party Marketplaces – One API Call
We aggregate pricing data from the most popular CS2 skin marketplaces. Query any marketplace with a single parameter – no need to integrate each one separately.
Buff
buff.163.com
The world's largest CS2 marketplace by volume. Access Buff163 pricing data – the gold standard for skin valuations worldwide.
Largest MarketYoupin
youpin898.com
Major Chinese CS2 skin marketplace. Access Youpin898 pricing data for the Chinese market – growing rapidly as a Buff alternative.
Chinese MarketSkinport
skinport.com
One of the largest CS2 skin marketplaces in Europe. Access real-time Skinport pricing data through our API.
Real-time PricesWaxpeer
waxpeer.com
P2P marketplace with competitive prices. Get live Waxpeer listings and price data via our endpoints.
P2P MarketSkinbaron
skinbaron.de
Germany's leading CS2 marketplace. Retrieve Skinbaron item prices with full currency support.
EUR PricesBitskins
bitskins.com
Established multi-game skin marketplace. Pull Bitskins pricing data for CS2 and other games.
Multi-GameCSGO.com Market
market.csgo.com
Popular CIS-region marketplace. Access market.csgo.com price data through our unified API.
CIS MarketHaloSkins
haloskins.io
Fast-growing CS2 marketplace. Get HaloSkins pricing and listing data via our API endpoints.
Growing FastDMarket
dmarket.com
Global skin trading platform. Retrieve DMarket prices, listings and trade data through our API.
Global PlatformTradeit
tradeit.gg
Instant skin trading platform. Access Tradeit.gg pricing data for quick price comparisons.
Instant TradeHow It Works
Getting third-party marketplace prices is as simple as adding a query parameter. No complex integrations, no separate API keys for each marketplace.
Choose a Marketplace
Select from 10 supported marketplaces – Buff, Youpin, Skinport, DMarket, Waxpeer, Skinbaron, Bitskins, HaloSkins, Tradeit or CSGO.com Market.
Make an API Call
Add the marketplace parameter to your API request. Use the same endpoint structure you already know.
Get Price Data
Receive structured JSON with current prices, including phase-specific pricing for Doppler and Gamma Doppler knives.
Doppler & Gamma Doppler Phase Prices
Our API returns phase-specific pricing for Doppler and Gamma Doppler knives across all supported marketplaces. Get accurate valuations for every phase – from Phase 1 to Ruby, Sapphire and Emerald.
Doppler Phases
Phase 1
Dark violet and blue tones. Consistent mid-range pricing across phases.
Phase 2
Green and violet galaxy pattern. Often the most sought-after standard phase.
Phase 3
Blue and green mix with dark undertones. Typically the most affordable phase.
Phase 4
Deep blue dominating pattern. Highly popular for its clean blue look.
Ruby
Pure deep red finish. One of the rarest and most expensive Doppler variants.
Sapphire
Solid vibrant blue. Among the highest-valued Doppler patterns on every marketplace.
Black Pearl
Dark iridescent purple-green tint. Extremely rare, priced above standard phases.
Emerald
Vivid green finish. The rarest Doppler variant, commanding premium prices.
Gamma Doppler Phases
Phase 1
Bright green with cyan accents. A fresh take on the Doppler concept.
Phase 2
Lime green with neon tones. One of the brightest Gamma Doppler variants.
Phase 3
Mixed green and yellow tones. A more muted Gamma Doppler pattern.
Phase 4
Teal and cyan dominating. Clean, ocean-like appearance.
Emerald
Pure bright green. The rarest and most valuable Gamma Doppler phase.
Why Use One API for All Marketplaces?
Stop maintaining separate integrations for each marketplace. Our unified API gives you instant access to pricing data across all 9 platforms.
Cross-Marketplace Price Comparison
Compare skin prices across Skinport, Buff, DMarket and more in a single request. Find the best deals instantly.
Arbitrage Detection
Spot price differences between marketplaces automatically. Build trading bots that capitalize on price gaps.
Portfolio Valuation
Value your CS2 inventory using prices from any marketplace. Give users accurate, marketplace-specific valuations.
Unified JSON Format
All marketplace data follows the same schema. Switch between marketplaces by changing one parameter – no code changes needed.
Real-time Price Updates
Prices are continuously updated from all 10 marketplaces. Always work with fresh, accurate pricing data.
Phase-Specific Pricing
Get accurate Doppler and Gamma Doppler phase prices per marketplace. No more guessing – exact valuations for Ruby, Sapphire, Emerald and every phase.
Frequently Asked Questions
Everything you need to know about our third-party marketplace pricing API.
What third-party marketplaces does SteamWebAPI support?
We currently support 10 marketplaces: Buff (buff.163.com), Youpin (youpin898.com), Skinport, Waxpeer, Skinbaron, Bitskins, CSGO.com Market, HaloSkins, DMarket and Tradeit. All are accessible through a single API with a marketplace parameter.
How do I get CS2 skin prices from Skinport, Buff or DMarket?
Simply add the market parameter to your API request – for example &market=skinport, &market=buff or &market=dmarket. The response includes current pricing data in a unified JSON format.
What are Doppler phase prices and why do they matter?
Doppler knives in CS2 come in different phases (Phase 1-4, Ruby, Sapphire, Black Pearl, Emerald) each with vastly different values. A Sapphire can be worth 10x more than a Phase 3. Our API returns phase-specific prices so you always get accurate valuations.
Can I compare prices across multiple marketplaces?
Yes. You can query the same item across all 10 marketplaces and compare prices. This is ideal for building price comparison tools, finding the best deals, or detecting arbitrage opportunities.
How often are marketplace prices updated?
Prices are continuously updated from all supported marketplaces. We use optimized caching and real-time data fetching to ensure you always receive current, accurate pricing data.
Do you support both Doppler and Gamma Doppler phase prices?
Yes. We support all 8 Doppler phases (Phase 1-4, Ruby, Sapphire, Black Pearl, Emerald) and all 5 Gamma Doppler phases (Phase 1-4, Emerald) with per-marketplace pricing.
Is there a free plan for marketplace price data?
Yes. Our Free Plan gives you access to all endpoints including third-party marketplace pricing. For production use with higher rate limits, we recommend at least the Starter Plan.
SteamWebAPI – CS2 Third-Party Marketplace Prices API
SteamWebAPI.com offers a comprehensive CS2 Buff API and third-party marketplace pricing API that aggregates skin prices from Buff (buff.163.com), Youpin (youpin898.com), Skinport, Waxpeer, Skinbaron, Bitskins, CSGO.com Market, HaloSkins, DMarket and Tradeit. Our CS2 Buff API provides access to the world's largest skin marketplace, while the Youpin API covers the growing Chinese market. Access Doppler phase prices including Phase 1, Phase 2, Phase 3, Phase 4, Ruby, Sapphire, Black Pearl and Emerald, as well as Gamma Doppler phase prices across all supported marketplaces. Our CS2 skin price API provides real-time pricing data in a unified JSON format, enabling cross-marketplace price comparison, arbitrage detection, portfolio valuation and automated trading. Whether you're building a CS2 marketplace, price tracker, trading bot or inventory calculator, SteamWebAPI delivers the data you need from all major third-party CS2 skin marketplaces through a single, reliable API.
Start Comparing Marketplace Prices Today
Sign in with your Steam account to get your free API key. Access pricing data from 10 marketplaces including Buff and Youpin, plus Doppler phase prices in seconds.
No credit card required