How to Post a Script’s Result as a Comment on a Rollbar Item

Rollbar allows scripts, CI jobs, and coding agents to post test or reproduction results directly to an error item’s history using a personal access token with read and write scope; project and service tokens are not accepted because comments must be attributed to an individual user. The process requires creating and securely storing a token, obtaining the project ID and globally unique item ID from the API, and sending a POST request to the item comments endpoint with the project ID and comment text. API-posted comments support Markdown and mentions, are marked “via API,” remain in the item history alongside status changes and stack traces, and are limited to 65,535 bytes. The guide also provides a standard-library Python script that finds an item from its URL counter, runs a specified command, posts its pass or failure status and recent output, and preserves the command’s exit code for CI use. Token access matches its owner’s Rollbar permissions, ceases if the owner leaves, is removed, or is locked out, and can be disabled, regenerated, or replaced to manage security and operational continuity.

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