# Channel3 ## Docs - [Brand](https://docs.trychannel3.com/api-reference/brand-model.md) - [Category](https://docs.trychannel3.com/api-reference/category-model.md) - [Websites](https://docs.trychannel3.com/api-reference/channel3-api/websites.md): Resolve a website URL to its ID and best_commission_rate. Tip: website_ids filters accept domains directly, so this lookup is most useful for retrieving commission rates. - [Get Price History](https://docs.trychannel3.com/api-reference/price-tracking/get-price-history.md): Get price history for a canonical product. - [List Subscriptions](https://docs.trychannel3.com/api-reference/price-tracking/list-subscriptions.md): List your active price tracking subscriptions. - [Start Tracking](https://docs.trychannel3.com/api-reference/price-tracking/start-tracking.md): Start tracking prices for a canonical product. - [Stop Tracking](https://docs.trychannel3.com/api-reference/price-tracking/stop-tracking.md): Stop tracking prices for a canonical product. - [Brand Detail](https://docs.trychannel3.com/api-reference/v1/brand-detail.md): Get detailed information about a specific brand by its ID. - [Browse](https://docs.trychannel3.com/api-reference/v1/browse.md): Access to this endpoint is restricted. If you think your use case requires it, contact us at support@trychannel3.com to get access. - [Category Detail](https://docs.trychannel3.com/api-reference/v1/category-detail.md): Look up a category by slug. - [Image Search](https://docs.trychannel3.com/api-reference/v1/image-search.md): Search the catalog by image (URL or base64), with pagination support. - [List Brands](https://docs.trychannel3.com/api-reference/v1/list-brands.md): Paginated list of brands, capped at the top 5,000. - [List Categories](https://docs.trychannel3.com/api-reference/v1/list-categories.md): Paginated list of all categories. - [Lookup Product](https://docs.trychannel3.com/api-reference/v1/lookup-product.md): Retrieve product information for any supported product URL. - [Product Detail](https://docs.trychannel3.com/api-reference/v1/product-detail.md): Get detailed information about a specific product by its ID. - [Search](https://docs.trychannel3.com/api-reference/v1/search.md): Search for products with pagination support. - [Search Brands](https://docs.trychannel3.com/api-reference/v1/search-brands.md): Search brands by free-text query. - [Search Categories](https://docs.trychannel3.com/api-reference/v1/search-categories.md): Search categories by free-text query. - [Similar Products](https://docs.trychannel3.com/api-reference/v1/similar-products.md): Find products similar to a given product. - [Website](https://docs.trychannel3.com/api-reference/website-model.md) - [Category Explorer](https://docs.trychannel3.com/categories.md): Browse the Channel3 category tree - [Announcing the /v1 Search API & SDK 3.0.0](https://docs.trychannel3.com/changelog/announcements/update-1-v1-search-api.md): Our new v1 Product Search API, with pagination, offers, collaborations, and smart images - [Internationalization](https://docs.trychannel3.com/changelog/announcements/update-2-internationalization.md): Filter by country, language, and currency — plus a new Discord and more free credits - [Endpoints, endpoints, endpoints](https://docs.trychannel3.com/changelog/announcements/update-3-new-endpoints.md): Two new endpoints — /v1/similar and /v1/image-search — plus our first Developer Spotlight - [Brands, Categories, and Search Goes Fast](https://docs.trychannel3.com/changelog/announcements/update-4-brands-categories-fast.md): Overhauled Brand and Category endpoints, plus sub-second P50 search - [SDK 3.3.1 — Color Filters, Cleaned Images & a CLI](https://docs.trychannel3.com/changelog/announcements/update-5-sdk-331.md): Search color filters, cleaned images, and a brand-new Channel3 CLI - [Variants How-To](https://docs.trychannel3.com/changelog/announcements/update-6-variants-how-to.md): A deep dive on Variants — the data model, selecting variants, and building with them - [We Built Your Frontend For You](https://docs.trychannel3.com/changelog/announcements/update-7-component-library.md): An open-source, fully-featured Channel3 component library — search, PDPs, hooks, and more - [Changelog](https://docs.trychannel3.com/changelog/overview.md): Product updates and release notes - [v2.0.0 — September 2025](https://docs.trychannel3.com/changelog/v2-0-0.md): New Python SDK - [v2.1.0 — September 2025](https://docs.trychannel3.com/changelog/v2-1-0.md): Exclude products filter - [v2.10.0 — January 2026](https://docs.trychannel3.com/changelog/v2-10-0.md): Product endpoint update - [v2.11.0 — January 2026](https://docs.trychannel3.com/changelog/v2-11-0.md): Model updates - [v2.12.0 — January 2026](https://docs.trychannel3.com/changelog/v2-12-0.md): List brands and lookup improvements - [v2.13.0 — March 2026](https://docs.trychannel3.com/changelog/v2-13-0.md): Search service v2, brands on products, and category exclusion filters - [v2.2.0 — September 2025](https://docs.trychannel3.com/changelog/v2-2-0.md): Simplified client configuration - [v2.3.0 — October 2025](https://docs.trychannel3.com/changelog/v2-3-0.md): Enriched product response and redirect mode - [v2.4.0 — November 2025](https://docs.trychannel3.com/changelog/v2-4-0.md): New search filters and config options - [v2.5.0 — November 2025](https://docs.trychannel3.com/changelog/v2-5-0.md): Python 3.14 and Pydantic v1 compatibility - [v2.6.0 — December 2025](https://docs.trychannel3.com/changelog/v2-6-0.md): Unified product response type - [v2.8.0 — December 2025](https://docs.trychannel3.com/changelog/v2-8-0.md): Price tracking - [v2.9.0 — December 2025](https://docs.trychannel3.com/changelog/v2-9-0.md): Performance improvements - [v3.0.0 — March 2026](https://docs.trychannel3.com/changelog/v3-0-0.md): v1 Product API - [v3.1.0 — April 2026](https://docs.trychannel3.com/changelog/v3-1-0.md): Bug fixes and SDK improvements - [v3.2.0 — April 2026](https://docs.trychannel3.com/changelog/v3-2-0.md): Image search, categories, and localization - [v3.3.0 — May 2026](https://docs.trychannel3.com/changelog/v3-3-0.md): Variants, structured attributes, color filters, and new locales - [v3.3.1 — May 2026](https://docs.trychannel3.com/changelog/v3-3-1.md): Category field and cleaned image flag - [v3.4.0 — July 2026](https://docs.trychannel3.com/changelog/v3-4-0.md): Browse endpoint, search modes, sale and condition filters - [v3.5.0 — July 2026](https://docs.trychannel3.com/changelog/v3-5-0.md): Dimension filters, offer dimensions, and configurable units - [CLI](https://docs.trychannel3.com/cli.md): Use Channel3 from your terminal. - [Billing & credits](https://docs.trychannel3.com/faq/billing-and-credits.md) - [Catalog & coverage](https://docs.trychannel3.com/faq/catalog-and-coverage.md) - [Commissions](https://docs.trychannel3.com/faq/commissions.md) - [Support](https://docs.trychannel3.com/faq/support.md) - [Attribute Search](https://docs.trychannel3.com/guides/advanced-search.md): Use structured attributes and category detail to find products by specific features — e.g. sofas with USB charging ports. - [Agentic Search](https://docs.trychannel3.com/guides/agentic-search.md): Let an LLM decompose complex, multi-constraint queries into structured sub-searches for higher-quality results. - [Brand Search](https://docs.trychannel3.com/guides/brand-search.md): Find brands in the catalog, then filter future searches by brand. - [Caching Best Practices](https://docs.trychannel3.com/guides/caching.md): How to cache Channel3 data effectively without serving stale results. - [Cleaned Images](https://docs.trychannel3.com/guides/cleaned-images.md): Prefer square, uniform-background product images for consistent grids. - [Color Filters](https://docs.trychannel3.com/guides/color-filters.md): Filter products by color palette using hex values to find items that match a specific color scheme. - [Dimension Filters](https://docs.trychannel3.com/guides/dimension-filters.md): Filter search results by physical size and weight, in the units you choose. - [Image Search](https://docs.trychannel3.com/guides/image-search.md): Visual product discovery by image URL or base64 upload. - [Localization](https://docs.trychannel3.com/guides/localization.md): Set country, language, and currency to localize search results and product detail for your target market. - [Price Filters](https://docs.trychannel3.com/guides/price-filters.md): Filter search results by price range to surface products within a budget. - [Price Tracking](https://docs.trychannel3.com/guides/price-tracking.md): Track price changes for any product and get notified the moment a price drops. - [Search](https://docs.trychannel3.com/guides/search.md): Text search, filters, and pagination across the Channel3 product catalog. - [Similar Products](https://docs.trychannel3.com/guides/similar-products.md): Given a product, find similar alternatives. - [UI + Hooks](https://docs.trychannel3.com/guides/ui-and-hooks.md): Drop-in React components and headless hooks for building shopping experiences on top of Channel3. - [URL Lookup](https://docs.trychannel3.com/guides/url-lookup.md): Resolve canonical products from supported retailer page URLs. - [Website Search](https://docs.trychannel3.com/guides/website-search.md): Discover and filter by the retailers (websites) whose products appear in Channel3. - [Quickstart](https://docs.trychannel3.com/index.md): Build AI shopping apps and agents with the Channel3 API. - [Lovable](https://docs.trychannel3.com/lovable.md): Build and ship a real shopping app on Lovable in six steps — describe it in prompts, connect Channel3, publish, and start earning. Worked example: KitDen. - [MCP](https://docs.trychannel3.com/mcp-overview.md): Add the Channel3 MCP to your agent - [Webhooks](https://docs.trychannel3.com/price-tracking-webhooks.md): Receive real-time notifications when prices change for your tracked products. - [Pricing](https://docs.trychannel3.com/pricing.md) - [Product](https://docs.trychannel3.com/product-model.md) - [SDK](https://docs.trychannel3.com/sdk.md): Get started with the Channel3 SDKs for TypeScript and Python. - [Channel3 API Skill](https://docs.trychannel3.com/skills/channel3-api.md): Teach your coding agent how to integrate Channel3 into your app or service - [Product Discovery Skill](https://docs.trychannel3.com/skills/product-discovery.md): Let an existing agent search products, compare prices, and check availability on demand - [About the catalog](https://docs.trychannel3.com/ucp/about-catalog.md): The three catalog tools and how requests are shaped - [About profiles](https://docs.trychannel3.com/ucp/about-profiles.md): The JSON file that tells agents what the catalog server supports - [Auth and rate limiting](https://docs.trychannel3.com/ucp/auth-and-rate-limiting.md): How identification affects rate limits on the UCP catalog - [Authenticate your agent](https://docs.trychannel3.com/ucp/authentication.md): Use a Channel3 API key for Token-tier catalog access, rate limits, and monetizable links - [Extension reference](https://docs.trychannel3.com/ucp/catalog-global-extension.md): Extra catalog fields in com.trychannel3.catalog.global - [Get product](https://docs.trychannel3.com/ucp/get-product.md): Load one product by id with get_product - [UCP catalog overview](https://docs.trychannel3.com/ucp/index.md): Search products across the web using the Universal Commerce Protocol - [Lookup catalog](https://docs.trychannel3.com/ucp/lookup-catalog.md): Load products by ID or by a store product page URL - [Quickstart](https://docs.trychannel3.com/ucp/quickstart.md): Connect to the Channel3 catalog and run your first search - [Search the catalog](https://docs.trychannel3.com/ucp/search-catalog.md): Find products with search_catalog - [Variants](https://docs.trychannel3.com/variants.md): Render and interact with product variant selectors — sizes, colors, and other options — using the Channel3 API. ## OpenAPI Specs - [openapi.documented](https://docs.trychannel3.com/openapi/openapi.documented.yml)