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Batch categorize transactions

Authorizations

X-API-Key
string
header
required

Breadbox API key with format bb_<base62>. Carries either read_only or full_access scope. Write endpoints (and a handful of sensitive reads — /api-keys, /users/{user_id}/login) require full_access; endpoints that require it are flagged in their description.

Body

application/json
transaction_ids
string[]
required
category_id
string
required

Response

Updated count.

updated
integer
Last modified on June 25, 2026