The Steam & CS2 data API
built for builders.
Real-time prices, multi-marketplace aggregation, inventories, profiles and exact CS2 float values. One fast API - with a genuinely free tier.
curl https://skinapi.skinvaults.online/api/v1/markets \
-H "x-api-key: sk_live_xxx" \
-G --data-urlencode "name=AK-47 | Redline (Field-Tested)" \
--data "game=cs2" --data "currency=EUR"
{
"data": {
"name": "AK-47 | Redline (Field-Tested)",
"image": "https://.../i0CoZ...",
"currency": "EUR",
"lowest": 2189, "lowestSource": "buff",
"sources": 5,
"markets": {
"buff": { "price": 2189, "currency": "EUR" },
"skinport": { "price": 2423, "currency": "EUR" },
"csfloat": { "price": 2543, "currency": "EUR" },
"dmarket": { "price": 2598, "currency": "EUR" },
"steam": { "price": 3744, "currency": "EUR" }
}
}
}Everything a skin platform needs
Unified /markets endpoint
Every marketplace price for an item in one response - Steam, Skinport, Waxpeer, DMarket, CSFloat and Buff - in any currency.
CS2 floats + patterns
Exact float, paint seed, stickers, plus Doppler phase, blue-gem and Fire & Ice detection most APIs don't have.
Priced inventories, any game
Valued inventories with a live total - CS2, Dota 2, Rust, TF2, even s&box, Unturned and Payday 2.
Price alerts
Webhook, Discord and email notifications the moment an item hits your target price.
Inventory tracking
Record inventory value over time - portfolio history and ownership tracking.
Free Float Checker + MCP
A public float-checker tool, plus an MCP server to plug the API straight into AI agents.
Eight games. Growing.
One call. Every market.
Aggregated prices from the marketplaces traders actually use.
Frequently asked questions
What is SkinAPI?+
SkinAPI is a fast Steam and CS2 data API. Through one REST API you get real-time prices aggregated across Steam, Skinport, Waxpeer, DMarket, CSFloat and Buff, plus CS2 float values, inventories, Steam profiles, price history and deals.
How do I get an API key?+
Sign in with Steam at skinapi.skinvaults.online, then create an API key from your dashboard. The free plan needs no payment.
How do I authenticate requests?+
Send your key in the x-api-key header on every request. Every response is wrapped in a data object and includes rate-limit headers.
What are the rate limits and pricing?+
Free is 10 requests/min, 200/day and 2,000/month. Starter is 20/min and 10,000/month for EUR 20/mo. Pro is 100/min and 100,000/month for EUR 50/mo.
Which games and currencies are supported?+
Market endpoints cover CS2, Dota 2, Rust and TF2 (plus more games for inventories). Prices can be returned in any ISO 4217 currency, with USD as the default.
Is there a free CS2 float checker?+
Yes. The public Float Checker lets you paste any inspect link to see the exact float, wear, paint seed and stickers, powered by the SkinAPI float engine.
Start building for free.
Sign in with Steam, grab a key, and make your first request in under a minute.
Sign in with Steam