# CS2Cap > CS2 skin price API for live prices, buy orders, sales history, and market analytics across 40+ Counter-Strike 2 marketplaces. - [CS2 Skin Price API](https://cs2cap.com/docs/introduction.md): CS2 skin price API for live prices, buy orders, sales history, and market analytics across 40+ Counter-Strike 2 marketplaces. - [Quickstart: Make Your First CS2Cap API Call](https://cs2cap.com/docs/quickstart.md): Learn how to make your first CS2Cap API request using the Python or TypeScript SDK. Goes from zero to a live price response in a few steps. - [SDKs: Installation and Setup](https://cs2cap.com/docs/sdks.md): Install and configure the CS2Cap Python and TypeScript SDKs. - [Authentication: API Keys and Bearer Tokens](https://cs2cap.com/docs/authentication.md): CS2Cap uses API key authentication via the Authorization header. Learn how to get your key, use it in requests, and handle auth errors. - [Core Concepts: Data Model and Terminology](https://cs2cap.com/docs/core-concepts.md): Understand the CS2Cap data model: quotes, providers, minor units, item identity, data availability, and common integration pitfalls to avoid. - [Pricing: Compare Free, Starter, Pro, and Quant Plans](https://cs2cap.com/docs/guides/pricing-plans.md): Compare CS2Cap's 4 API tiers — Free, Starter, Pro, and Quant — by monthly request quota, rate limits, endpoint access, and feature availability. - [Rate Limits: Per-Minute and Monthly Quotas](https://cs2cap.com/docs/guides/rate-limits.md): Understand CS2Cap's per-minute and monthly request limits, how to read rate-limit headers, and best practices for staying within your quota. - [Liquidity Score: Inputs and Formula Calculation](https://cs2cap.com/docs/guides/liquidity-score.md): Learn what the CS2Cap liquidity score means, what affects it, and how to use it when comparing CS2 items. - [Building Portfolio Valuation and P&L Workflows](https://cs2cap.com/docs/guides/portfolio.md): Use CS2Cap to value customer inventories, maintain saved CS2 portfolios, track buy and sell transactions, and build daily portfolio performance reporting. - [Field Reference: All Response Fields](https://cs2cap.com/docs/reference/field-reference.md): Complete definitions for every field returned by the CS2Cap API, including price fields, pagination, the response envelope, and item catalog metadata. - [Error Codes and HTTP Status Reference](https://cs2cap.com/docs/reference/error-codes.md): Reference for every HTTP status code and machine-readable error code returned by the CS2Cap API, with descriptions and retry guidance. - [Supported Marketplaces and Providers](https://cs2cap.com/docs/reference/providers.md): Complete list of all 41 active CS2Cap provider keys with market types, fee data, health fields, and usage examples for the providers request parameter. - [Changelog: Releases and Breaking Changes](https://cs2cap.com/docs/changelog.md): Public-facing API, documentation, and platform changes to CS2Cap that affect integrators. Breaking changes, new endpoints, and deprecations listed here. - [CS2Cap API: Base URL, Auth, and Rate Limits](https://cs2cap.com/docs/api-reference/overview.md): Base URL, Bearer authentication, per-tier rate limits, response envelope conventions, and error handling for the CS2Cap market-data API. - [Prices API: Current Asks, History, and Candles](https://cs2cap.com/docs/api-reference/prices.md): Fetch current lowest asks, stream full price snapshots, batch-query up to 100 items, retrieve OHLCV candles, and page through raw price history. - [Bids API: Buy Orders Across CS2 Marketplaces](https://cs2cap.com/docs/api-reference/bids.md): Query the highest active buy orders across CS2 marketplaces, stream the full live bids catalog as NDJSON, batch-lookup up to 100 items at once, or page through raw buy-order history. - [Feed API: Real-Time Price and Bid Changes](https://cs2cap.com/docs/api-reference/feed.md): Subscribe to a Server-Sent Events stream of price and bid changes as marketplace providers refresh, with a reconnect recipe for picking up where you left off. - [Sales API: Recent CS2 Sales with Float and Stickers](https://cs2cap.com/docs/api-reference/sales.md): Retrieve recent CS2 sale records across marketplaces, including float, paint seed, stickers, charms, and inspect links where available. - [Catalog API: Items, Images, Providers, and FX Rates](https://cs2cap.com/docs/api-reference/catalog.md): Search the CS2 item catalog, load image URLs and provider metadata, and fetch live FX rates for currency conversion across 200+ currencies (fiat & crypto). - [Market Analytics API: Arbitrage and Indicators](https://cs2cap.com/docs/api-reference/market-analytics.md): Query cross-market arbitrage opportunities, category indexes, technical indicators, and per-item market analytics snapshots across all CS2 providers. - [Steam Inventory API: Fetch Your CS2 Items](https://cs2cap.com/docs/api-reference/inventory.md): Fetch your linked Steam CS2 inventory or look up any player's public inventory by Steam64ID or vanity URL. Data is fetched live and never stored. - [Portfolio API: Track and Value Your CS2 Items](https://cs2cap.com/docs/api-reference/portfolio.md): Create saved portfolios, record buy/sell transactions, import Steam inventory, and value holdings statlessly or against stored portfolios across providers. - [CS2 Skin Price API Documentation](https://cs2cap.com/docs/index.md): CS2 skin price API for live prices, buy orders, sales history, and market analytics across 40+ Counter-Strike 2 marketplaces. ## OpenAPI Specs - [openapi](/docs/openapi.json)