Merge Cost Category
POST/api/cost-categories/:cost_category/merge
Merge a cost category into a target. Re-points all references (bill lines, breakdown items, financial line types) from the source to the target, then deletes the source. Returns the target category.
settings:writeGrant this scope to your token under Settings → Developer → Personal Access Tokens.
Authentication: Requires Bearer token.
Request body fields:
target_id(required, integer) — the cost category to merge into; must exist and differ from the source.
Request
Responses
- 200
- 401
- 403
- 404
- 422
- 429
OK
Response Headers
Unauthenticated — the bearer token is missing, revoked, expired, or malformed. Never retry automatically; fix the credential. See the Errors guide.
Forbidden — the token lacks a required scope, the endpoint is not available to API tokens, or the user behind the token lacks the permission. A human must adjust the token scopes or user permissions; do not retry.
Not found — no record with the given identifier (or the route does not exist). Verify the ID before retrying.
Unprocessable Entity
Response Headers
Rate limited — platform limit is 1,000 requests/min; individual tokens may carry lower limits. Honor the Retry-After header before retrying. See the Rate Limits guide.