Keyword Metrics by App

Price

Datapoint	Comment	Credits/app/keyword
rank	Ranking of an app for a keyword.	10
installs	The estimated number of daily installs driven by a keyword to an app.	10
relevancy	The relevancy score is an indicator between 0 and 100, indicating how relevant a keyword is for your app.	10
chance	A score between 1 and 100 that indicates how likely your app is to rank in the top 10 search results for the selected keyword.	10
kei	KEI (Keyword Efficiency Index): A score that indicates the visibility potential of a keyword, taking into account keyword volume and chance score.	10

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Ranked, unranked or no data
To know whether your app is ranked on a keyword or not, you can refer to the following logic in the response data:

value = non-null and fetch_performed = true ➔ ranked

value = null and fetch_performed = true ➔ unranked

value = null and fetch_performed = false ➔ no data

In addition to value, you can useeffective_value, that corresponds to a value that is guaranteed to be non-null. effective_value is equal to value, or defaults to 501 if value = null