Error Codes

All API errors return a consistent JSON structure with a code and message.

Code	HTTP Status	Description
`UNAUTHORIZED`	401	Missing or invalid authentication
`FORBIDDEN`	403	Insufficient permissions for this action
`NOT_FOUND`	404	Resource does not exist
`VALIDATION_ERROR`	400	Request body failed validation
`PLAN_LIMIT`	403	Action exceeds your plan's limits
`RATE_LIMITED`	429	Too many requests
`INTERNAL_ERROR`	500	Unexpected server error