All-in-One Steam API
Market, Inventory, Skin Prices & Trade
for CS2, Rust, Dota 2 & more
Steamwebapi delivers lightning-fast access to every Steam API endpoint – market prices, skin price APIs for CS2, Dota 2, Rust & more, inventory and trade – with zero 429 errors.
What can I build with this?
Discover the power of our Steam Marketplace API: buy and sell skins with ease. Create an inventory worth calculator or customise your gaming experience with an in-game skin changer. Foster thriving communities, build Discord bots and track user inventories and profiles. Unleash the potential of our versatile API.
Marketplace
You can build a marketplace and, for instance, utilise our Inventory API. To list items and prices, make use of the Items API.
Inventory Worth Calculator
Build an inventory value calculator similar to csbackpack.net using our Steam Profile API together with the Inventory API.
Skin Changer
Elevate your gaming experience with an in-game skin changer. Customise CS2 or any skins-enabled game on unofficial servers for endless personalisation.
Communities
Build thriving communities for your users – from esports platforms to PUG services and beyond – powered by our API.
Discord Bots
Create your own Discord bot to calculate stats, display ranks and much more – all via our API.
Tracker
Effortlessly track user inventories and profiles with our reliable tracker. Gain valuable insights and stay up to date with our powerful tools.
Trusted by developers from over 80 countries
Our API is trusted by developers across the globe who rely on our services for their projects.
Uptime
99.9%
Up-to-Date
24/7
Since
2019
Users
6296
Daily API Calls
871202
Total Items
102361
What our clients say
Thanks to the services provided by Steamwebapi, creating our own marketplace became much easier. The API is well documented and the system runs smoothly – one plan gives access to every endpoint. Brilliant!
All-in-one Steam API for developers
Ideal for all project types – discover unmatched features like Steam Market items and seamless inventory management. Our API is user-friendly and our documentation top-notch. Even the free plan unlocks every endpoint.
Seamless JSON Data
Effortlessly integrate comprehensive JSON data from our service, empowering your applications with up-to-date information.
Real-time Item Prices
Keep users informed with real-time item prices and the latest market rates.
Crucial Item Insights
Access essential item details instantly and enrich your app with targeted information.
Item Price History
Track price changes over time with our built-in historical data.
Item Tracking
Monitor item additions and removals in user inventories for a complete history.
Steam Profile Access
Retrieve key profile information quickly and reliably.
No 429 Errors
Say goodbye to inventory blocking and pesky 429 responses – our service keeps data flowing.
Lightning-Fast Performance
Experience blazing-fast response times thanks to our optimised infrastructure.
CS2, Rust & more – API Suite Inventory, Skin & Price Endpoints
Immerse yourself in CS2, Dota 2, Rust and beyond. Access player information, track item prices and optimise your gaming experience.
Real-time market prices
Complete inventory access
Market data and trends
Player statistics and rankings
Steam Inventory API - Non-blocking and 429-free
Detailed API endpoints for all your Steam data needs. Build powerful applications with our scalable, reliable API.
Inventory API
Seamlessly access user inventories, including item details, without 429 errors.
Items API
Retrieve a complete list of game items with names and descriptions.
Profile API
Fetch Steam user profiles effortlessly, free from blocking issues.
Item Details API
Get granular item data – price, median price and more.
Tracking API
Monitor item changes in inventories in real time.
History API
Access up to a year of price history to spot trends with ease.
Developer Tools & Packages
Our PHP and Python packages on GitHub make integrating Steamwebapi even faster. They include a sample project – the CS2/CS:GO Inventory Value Calculator.
CS2 Inventory Calculator
The CS2 Inventory Calculator is a free tool to calculate the value of your CS2 (or CS:GO) inventory. Built with Next.js, it lets you evaluate individual skins or your entire inventory in real time.
Real-time price updates
Responsive design
View on GitHub
PHP Package
Our PHP package streamlines project development, offering seamless API integration and comprehensive documentation.
Easy API integration
Comprehensive documentation
View on GitHub
Python Package
Our Python package integrates effortlessly with Steamwebapi, accelerating your development workflow.
Easy API integration
Comprehensive documentation
View on GitHub
Frequently Asked Questions
Find answers to common questions about our API and services.
What is Steamwebapi?
Steamwebapi is a high-performance API platform that provides real-time and cached data for the Steam Community Market, CS2, and Steam inventories. We offer endpoints for market prices, item metadata, inventories, profiles and float values.
Are you affiliated with Valve or Steam?
No. Steamwebapi.com is fully independent and not affiliated with Valve or Steam.
Which games do you support?
We support CS2, Dota 2, Rust and all other Steam Community Market games.
What is the Steam Market API?
Our Steam Market API delivers real-time and historical pricing data for CS2, Dota 2, Rust and other Steam Market items.
How fast is the Steam Market API?
We use optimized caching and request buffering to provide extremely fast responses and prevent Steam's 429 rate-limit errors.
Do you offer CS2 Market pricing?
Yes. We provide dedicated CS2 Market Pricing API endpoints for skins, stickers, agents, patches and more.
Can I use the API for price tracking, bots or marketplaces?
Yes. Our API powers trading bots, price trackers, marketplaces, Discord bots, extensions, analytics tools and more.
What is the Steam Inventory API?
Our Steam Inventory API allows you to fetch complete inventories for CS2, Dota 2, Rust and all Steam games — including item values, tradability and full metadata.
Why is the official Steam Inventory API often down or slow?
The official endpoint is unstable and frequently rate-limited. Steamwebapi uses caching and request buffering to keep inventory access fast and reliable.
Do you support CS2 inventory data with values?
Yes. Our CS2 Inventory API includes item pricing, float values (when available) and market metadata.
Can I build auto-sell or pricing tools with your Inventory API?
Yes. Many developers use our Inventory API for value calculators, auto-sell tools, CS2 shops and Steam trading platforms.
What is the Steam Float API?
Our Steam Float API retrieves CS2 float values, paint seeds, patterns and additional item metadata.
Is float fetching rate-limited?
Official float sources are extremely rate-limited. We optimize requests and serve cached or pre-scanned float data whenever possible.
Do you provide a Float Database?
Yes. We maintain an expanding CS2 Float Database accessible through our API.
Do you provide a Steam Profile API?
Yes. You can fetch public profile data including avatars, Steam level, visibility status and basic user info.
Does the API work for private profiles?
No. Private Steam profiles cannot be accessed due to Steam's privacy rules.
Is my purchase a subscription?
No. All purchases are one-time payments valid for 30 days. There is no auto-renewal and no cancellation required. You will receive reminder emails 7 days and 1 day before your plan expires. To continue using the service, simply purchase the next month manually.
How can I contact you?
You can reach us anytime via Discord, live chat or email. We have been active since 2019 and are a trusted provider in the Steam API community. We aim to deliver excellent support and long-term reliability.
Is the Free Plan suitable for production use?
The Free Plan is for testing and development. For production systems we recommend at least the Starter Plan.
Can I upgrade my plan at any time?
Yes. You can upgrade instantly by contacting us via Discord or live chat.
Where can I find my API key?
Your API key is shown in your Steamwebapi dashboard. It is independent from Valve's official Steam Web API key.
How do I avoid 429 errors from the Steam API?
Steamwebapi uses smart buffering and caching to prevent Steam's rate limits. Even when Steam returns 429 errors, we continue serving cached responses so your app never breaks.
Who are you and how long have you been doing this?
We are a small, dedicated team specializing in Steam-related software, APIs and marketplaces. Since 2018, we have delivered numerous Steam-focused tools and platforms for developers, traders and gaming communities.
Still have questions?
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