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T3 API : Supercollections
Matt Frisbie edited this page Nov 4, 2025
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With Metrc data, users frequently encounter these sorts of problems:
- "I want to load my packages, but also need test results for each"
- "I want to load my transfers, but also want all the packages"
- "I want to load my harvests, but I also want all the plants associated with each harvest"
Enter supercollections
The best way to understand supercollections is to compare them to T3 collections:
- T3 collection endpoints all are designed to send exactly one request to Metrc per request to T3.
- Examples: Active Packages, Incoming Transfers, Active Harvests.
- This ensures the endpoints are fast, have generous rate limits, and are flexible to use.
- If you want to load metadata for a collection, you need to explicitly request it per row.
- T3 supercollection endpoints are designed to eagerly load all metadata for each collection object.
- Examples: Active Superpackages, Incoming Supertransfers, Active Superharvests
- They extend existing collection endpoint behavior.
- This allows the endpoint to efficiently load, organize, and analyze the metadata for you.
- Endpoints have lower rate limits, and are slower to use.
- Metadata is loaded declaratively. For example, you'd specify you want lab results and history for an active superpackages request.
TODO
- Refer to the T3 API documentation to explore all the available endpoints.
- Most API endpoints require a T3+ subscription. If you don't have a T3+ subscription, you can sign up here.
Created by Matt Frisbie
Contact: matt@trackandtracetools
Copyright © 2025 Track & Trace Tools. All rights reserved.
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