All Game Marketplaces.
One Market API.
Compare current third-party marketplace prices for supported CS2, Rust, Dota 2, TF2 and other Steam items through one normalized API response.
Three products, three data jobs
Choose the right Steam data API
Price, marketplace and inventory data share item identifiers, but they solve different problems. Start with the product that owns the data you need.
Steam Price API
Complete supported item data with current Steam Community Market prices, sales fields and price history.
/steam/api/items
Game Market API
Current prices from supported third-party marketplaces for CS2, Rust, Dota 2, TF2 and more.
/steam/api/items?markets=…
Steam Inventory API
Public player inventory assets and normalized item metadata for every supported Steam game.
/steam/api/inventory
Marketplace price APIs for every supported game
Use the same Market API, authentication and response schema across supported games. Source coverage depends on the game and marketplace.
CS2 Market API
Compare current third-party prices for Counter-Strike 2 items.
Rust Market API
Compare current third-party prices for Rust items.
Dota 2 Market API
Compare current third-party prices for Dota 2 items.
TF2 Market API
Compare current third-party prices for Team Fortress 2 items.
Supported Game Marketplaces – One API Call
Query supported third-party sources with the markets parameter and receive normalized pricing data without maintaining a separate integration for every marketplace.
Buff
https://buff.163.com/
China's largest CS2 marketplace by listing volume. Pull Buff163 prices and listings through our unified REST API — no Cloudflare battles, no scraping.
CSDeals
https://cs.deals
CSDeals marketplace integration. Get unified, real-time pricing and listing data through a single API endpoint.
CSFloat
http://csfloat.com
Premium float-aware CS2 marketplace. Pull CSFloat listings, float values and sticker data through one REST API.
CSGOcom
http://market.csgo.com
CSGOcom marketplace integration. Get unified, real-time pricing and listing data through a single API endpoint.
Dmarket
http://www.dmarket.com
Multi-game P2P marketplace covering CS2, Dota 2, Rust, TF2 and more. Pull DMarket prices through one REST API.
HaloSkins
http://www.haloskins.com
Emerging Western CS2 marketplace. Pull HaloSkins listings through one REST API.
Skin.Land
https://app.skin.land
Skin.Land marketplace integration. Get unified, real-time pricing and listing data through a single API endpoint.
Skinbaron
http://skinbaron.de
German-regulated EU CS2 marketplace. Pull Skinbaron listings through one REST API.
Skinflow
http://skinflow.gg
Skinflow marketplace integration. Get unified, real-time pricing and listing data through a single API endpoint.
Skinport
http://www.skinport.com
EU-based CS2 marketplace with strong consumer protection. Pull Skinport listings through one REST API.
Tradeit
http://tradeit.gg
Trade-focused marketplace covering CS2, Dota 2, Rust and TF2. Pull Tradeit prices through one REST API.
Waxpeer
http://waxpeer.com
Fast Western P2P CS2 marketplace. Pull Waxpeer listings through one REST API.
Youpin
http://youpin898.com
China's #2 CS2 marketplace by volume. Pull Youpin898 prices through one REST API.
How the Game Market API Works
Choose a supported game and one or more marketplaces, then receive comparable price fields through the same authenticated endpoint.
Choose a Game and Marketplace
Select CS2, Rust, Dota 2, TF2 or another supported game, then choose from the marketplaces available for that catalogue.
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 every source. One Market API keeps marketplace pricing in a consistent response format.
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.
Current Marketplace Prices
Each integration refreshes on its configured schedule, and returned timestamps let your application evaluate data freshness.
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?
The active marketplace cards above are the current source of truth. Coverage includes sources such as Buff, CSFloat, Youpin, Skinport, Waxpeer, Skinbaron, Bitskins, Market.CSGO.com, DMarket and Tradeit, with additional supported sources available through the same API.
How do I get CS2, Rust or Dota 2 marketplace prices?
Call /steam/api/items with the game and markets parameters, for example game=rust&markets=skinport,dmarket. The response uses the same normalized JSON structure across supported games and sources.
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. Query the same supported item across multiple marketplaces and compare the returned prices. This is useful for price comparison tools, valuation workflows and arbitrage analysis.
How often are marketplace prices updated?
Refresh cadence depends on the source and item activity. Use the returned update timestamps to evaluate freshness while Steamwebapi caching reduces load on marketplace integrations.
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.
Game Market API for CS2, Rust, Dota 2 and More
The Steamwebapi Game Market API normalizes current third-party marketplace prices for supported CS2, Rust, Dota 2, Team Fortress 2 and other Steam items. Use one endpoint and one response schema for sources such as Buff163, CSFloat, Youpin898, Skinport, DMarket, Waxpeer and other active integrations. CS2 coverage also includes available float-aware listings and Doppler phase prices. Build market comparison tools, inventory valuation, price alerts and trading analytics without maintaining a separate client for every marketplace.
Start Comparing Game Marketplace Prices
Create an API key and query supported third-party prices for CS2, Rust, Dota 2, TF2 and more through one Market API.
No credit card required