> For the complete documentation index, see [llms.txt](https://docs.aqua.network/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.aqua.network/developers/reference.md).

# Reference

Quick-lookup pages for facts you'll return to while building:

{% content-ref url="/pages/oCdlEXPmWdWaaDft6ZHj" %}
[Router & pool contracts](/developers/reference/router-and-pool-contracts.md)
{% endcontent-ref %}

{% content-ref url="/pages/q4G96jiWcJROPLpbCRuj" %}
[Backend API](/developers/reference/backend-api.md)
{% endcontent-ref %}

{% content-ref url="/pages/rsfDvqUxvqg0v5IcUGGT" %}
[Error codes](/developers/reference/error-codes.md)
{% endcontent-ref %}

{% content-ref url="/pages/t5chaM7U6p52rPfg4dTJ" %}
[Addresses & networks](/developers/reference/addresses-and-networks.md)
{% endcontent-ref %}

For the concentrated-liquidity contract interfaces, see the [Concentrated liquidity contract reference](/developers/concentrated-liquidity/contract-interface-reference.md).