> For the complete documentation index, see [llms.txt](https://docs.devtodev.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.devtodev.com/3rd-party-sources/3-rd-party-attribution/singular.md).
# Singular
## **Integration**
Set up a devtodev partner integration in Attribution -> Partner Configuration according to the [instruction](https://support.singular.net/hc/en-us/articles/360053018851).
You can find the devtodev Postback URL (devtodev API key) in the Settings -> 3rd party sources -> Attribution tracking section.
### CPI data integration
devtodev allows our customers to query CPI data from Singular via API in order to get more accurate install costs.
Check the `Enable receiving CPI info by Singular Reporting API` box and fill in the form to switch on CPI data collection.
The Singular API Key and App name can be found in the Singular Console.
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## Querying This Documentation
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