Findings

Majority Response Status Codes 1XX

Updated: June 19, 2025

Description

Severity: Info

Over half of an API's response status codes over a given time period were in the 1XX range.

The 1XX status codes in HTTP represent informational responses, typically sent as interim responses to indicate that the server has received the request headers and the client should proceed with sending the request body or wait for the server's further instructions. When over half of an API's responses fall into this range, it may indicate an unusual or unintended behavior, such as a misconfigured server, incomplete request handling, or an application issue.

Remediation

Investigate the API to verify if it should be returning a majority of responses with 1XX status codes.

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