200: Request processed successfully. Some endpoints expose a separate application-level status field in the response body, such as dataStatus.statusCode.
400: Invalid request parameters or request format. Check required fields, data types, and request body format.
401: Missing or unknown application key. Provide a valid appkey with the request.
403: The application key is recognized but access is not allowed. The key may be expired, inactive, or not permitted for the requested API.
429: Request rate or trial usage limit exceeded. Reduce concurrency or retry after the limit window resets.
500: Internal service error. Retry later or contact support if the error persists.
503: Upstream service unavailable. Retry later; the requested upstream dependency is temporarily unavailable.
Business Status Codes:
100 Request successful: No additional remark.
101 Invalid request parameters: No additional remark.
110 Internal server error: No additional remark.
Key Features:
Search CIP code records by code or title keyword.
Normalize program names and field-of-study categories with standardized CIP metadata.
Support program finder, education taxonomy, and data enrichment workflows.
Combine with the US College Programs Data API to filter programs by CIP code.