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ucp.trychannel3.com is one catalog across many online stores. It uses the same product data as the Channel3 REST API.

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Three tools

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How to shape a request

Every tool takes the same outer shape:
  • catalog — your query (query, ids, urls, id, selected, preferences, pagination, filters, context for currency or country)
  • meta — pass null on Channel3 today (details)
The answer lives in structuredContent: products, pagination, and sometimes messages.

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Channel3 extras

Base UCP gives you title, price, variants, and store domain. For filters by store, richer seller info, and URL lookup, use extension com.trychannel3.catalog.global. Details: Extension reference.

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Same as REST

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What’s next

Search

Text search and filters

Lookup

By id or store URL

Get product

One product by id, with variant selection