> For the complete documentation index, see [llms.txt](https://docs.satoshiterminal.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.satoshiterminal.io/research-suite/data-coverage/data-source-aggregation.md).

# Data Source Aggregation

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[(Layer 1) Non-Commercial Data Feed](/research-suite/data-coverage/data-source-aggregation/layer-1-non-commercial-data-feed.md)
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[(Layer 2) Proprietary Data Feed](/research-suite/data-coverage/data-source-aggregation/layer-2-proprietary-data-feed.md)
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[(Layer 3) Commercial Data Feed](/research-suite/data-coverage/data-source-aggregation/layer-3-commercial-data-feed.md)
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