BetterFloat uses CSFloat's internal API for detailed information about listed items.

For that, BetterFloat intercepts (without modifying) the website's own requests. Rarely requests are sent by BetterFloat itself. This is done through the browser's natural window.XMLHttpRequest.prototype object.

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Table of contents

1. Common Types
2. v1/listings
3. v1/listings/:id

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CSFloat API

Common API base URL: https://csfloat.com/api/

Constructing a search string: ?param1=val1&param2=val2

Fetching the API (Javascript):

/*
* Returns the response of the endpoint in JSON format
* @param endpoint example: 'v1/listings'
* @param searchString example: '?limit=30&sort_by=most_recent'
*/
async function fetchCSFloat(endpoint, searchString) {
  return await fetch(`https://csfloat.com/api/` + endpoint + searchString).then(response => response.json());
}

Common Types

CSFloatListing

Name	Type	Example	Description
created_at	string	"2023-10-31T08:02:11.286404Z"	Creation date of the listing
id	string	"639373541527127967"	Unique ID
is_seller	boolean	false	True if this is your own item
is_watchlisted	boolean	false	True if you watchlisted this item
item	CSFloatItem	-	General item related information
price	number	2500	Price in USD (cent). Format: '2500' -> $25
reference	CSFloatReference	-	Reference data by Float Appraiser regarding the item
seller	CSFloatSeller	-	Public data about the seller account.
state	'listed' | 'delisted'	-	Current listing state.
type	'buy now' | 'auction'	-	Equals to the one sent in the request parameters.
watchers	number > 0	1	Numbers of watchers of a listing.

CSFloatItem

Name	Type	Example	Description
asset_id	string	"34197156135"
def_index	number	1209
has_screenshot	boolean	true
icon_url	string	"-9a81dlWLwJ2UUGcVs_ns..."
is_commodity	boolean	true
item_name	string	"nitr0 (Foil) | Cluj-Napoca 2015"
market_hash_name	string	"Sticker | nitr0 (Foil) | Cluj-Napoca 2015"
rarity	number	5
scm	{price: number, volume: number}	{price: 2271, volume: 0}	Steam market data of this item
sticker_index	number	849
tradable	0 | 1	0
type	string	"sticker"
type_name	string	"Sticker"

CSFloatSeller

Name	Type	Example	Description
away	boolean	true
flags	number	48
has_valid_steam_api_key	boolean	true
obfuscated_id	string	"12710774309940045613"	Obfuscated ID of the seller. Unique but does not give away the original ID.
online	boolean	true
stall_public	boolean	true
statistics	CSFloatSellerStatistics	-
verification_mode	string	"key"

CSFloatSellerStatistics

Name	Type	Example	Description
median_trade_time	number	64
total_avoided_trades	number	0
total_failed_trades	number	0
total_trades	number	0
total_verified_trades	number	0

CSFloatReference

Data provided by the Float Appraiser. Displayed in the popup on hover over the Float Appraiser text.

Name	Type	Example	Description
base_price	number	2872	Price in USD (cent). Format: '2872' -> $28.72
last_updated	string	"2023-10-31T19:54:20.625276Z"	Time of the last Float Appraiser update.
predicted_price	number	2872	Base Price including all markups.
quantity	number	10	Number of recorded sales used to train the Float Appraiser.

v1/listings

General information

Source	https://csfloat.com/
Usage	common request on CSFloat's home page
Requires Auth	❎
Rate Limits	5 requests / 1min
Recommended Timeout	~30s / request

Request

Example request: https://csfloat.com/api/v1/listings?limit=30&sort_by=highest_discount&min_ref_qty=10&type=buy_now&min_price=500

Parameter	Type	Description
limit	number <=30	Maximum amount of requested listings
sort_by	"highest_discount" | "most_recent"	Listing sort method
type	'buy now' | 'auction'	Types of desired listings
min_price	number	Minimum price of listings

Response

Array of Listings. Each listing also contains an Item object.

Name	Type	Example	Description
-	Array<Listing>	[]	Array of listings

v1/listings/:id

General information

Source	https://csfloat.com/item/:id
URL wildcard :id	ID of the requested listing
Usage	common request when loading single items (only on initial page load)
Requires Auth	❎
Rate Limits	unknown
Recommended Timeout	~30s / request

Request

Example request: https://csfloat.com/api/v1/listings/639926508831508066

Parameter	Type	Description
-	-	No parameters on this endpoint

Response

Single object of type Listing. Also contains an Item object.

Name	Type	Example	Description
-	Listing	-	A single listing object