| Invalid API key | Returned when the provided API key is invalid. |
| Use exactly one of: symbol, isin, company, scrip_code | Please provide only one company identifier in the request. |
| Use only one of: symbols, isins, scrip_codes | Please provide only one type of identifier in a multi-company request. |
| Please provide either 'symbols', 'scrip_codes', or 'isins' parameter | At least one identifier must be provided in a multi-company request. |
| Company name search is not supported in multi-company requests | Please use the single company endpoint for company name search. |
| No identifiers provided | Please provide valid symbols, ISINs, or scrip codes. |
| Too many identifiers provided. Maximum allowed: 20 | Please limit the number of identifiers to 20 per request. |
| 'from' date must be before 'to' date | Please ensure the 'from' date is earlier than the 'to' date. |
| Invalid date format | Please provide dates in ISO 8601 format (e.g., 2025-01-01T00:00:00+05:30). |
| Invalid date range | Please request 'from' and 'to' parameter values within the allowed period. |
| limit/offset must be non-negative integers | Please provide valid non-negative numeric values for pagination. |
| Invalid sentiment. Allowed: positive, negative, neutral | Please provide a valid sentiment value. |
| Invalid article_type for company-specific news | Please use valid article types applicable for company-specific news. |
| Invalid article_type for general news | Please use valid article types applicable for general news. |