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POST
Lookup: create a segment from a description
Creates a segment from a natural-language description. Used by the Chrome extension’s “Create stream from search” flow. The AI pipeline maps the description to canonical filter labels via the audit-079 auto-approve workflow (LLM-proposed labels are materialized into the controlled vocabulary, then re-mapped, in one call).

Body

Response

assignment is null when trackedAccountId was not supplied. assignError is populated on cap-exceeded / not-found / account-inactive.

Errors

Auth

Bearer API key (extension or manual).