For the complete documentation index, see llms.txt. This page is also available as Markdown.

💡How is SERP API billed?

The docs state that billing applies only when a request returns a 200 status code. Status codes such as 300, 400, 401, 403, 404, 429, 500, and 504 are not billed. Billing is based on successful responses, not on the number of results returned.

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