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This page lists the HTTP headers used in News API requests and responses.

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Request headers

For authentication details and examples, see Authentication.

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Response headers

These headers are returned with every API response:

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correlation-id

Every response includes a correlation-id that uniquely identifies your request across our infrastructure. Always include it when contacting support — it lets the team locate your exact request in the logs immediately.
For a full guide on using correlation IDs for debugging, see Request tracing with correlation IDs.

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x-process-time

The x-process-time header shows how long the server took to process your request, in seconds:
Use this to identify slow queries. Consistently high values for a specific query are a signal to narrow the date range, simplify boolean expressions, or reduce page_size.

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See also