?model_types=chatgpt&model_types=perplexity&topic_ids=10&topic_ids=12<\/code><\/pre><\/div><\/div><\/div>\n\n\n\nThe brand metrics endpoint uses the bracketed array form for dimensions[]<\/code> and metrics[]<\/code>:<\/p>\n\n\n\n\n<\/svg>\n<\/i>\n\n<\/svg>\n<\/i><\/div>Copy<\/div><\/div>?dimensions[]=topic_id&dimensions[]=brand_id&metrics[]=visibility_score<\/code><\/pre><\/div><\/div><\/div>\n\n\n\nDate ranges and compare mode<\/h2>\n\n\n\n Metrics, prompt results, and sources are filtered by a required date_range<\/code>. It is a deep object with a base period at index 0<\/code> and an optional compare period at index 1<\/code>:<\/p>\n\n\n\n\n<\/svg>\n<\/i>\n\n<\/svg>\n<\/i><\/div>Copy<\/div><\/div># Base period onlyWhen a compare period is supplied, supported metrics return both period values and a delta<\/code> (absolute<\/code> and percentage<\/code>).<\/p>\n\n\n\nUsage and limits<\/h2>\n\n\n\n SE Visible usage is governed by your plan limits, not by per-request credits. Call Get subscription<\/a> to read your plan and the max<\/code>, used<\/code>, and available<\/code> counts for projects, prompts, and user seats.<\/p>\n\n\n\nErrors<\/h2>\n\n\n\n The API uses standard HTTP status codes. Only 2xx<\/code> responses indicate success. Error bodies are JSON.<\/p>\n\n\n\nStatus<\/th> Meaning<\/th> Body<\/th><\/tr><\/thead> 400<\/strong><\/td>Bad request<\/td> { \"message\": \"...\" }<\/code><\/td><\/tr>401<\/strong><\/td>Unauthenticated (missing or invalid key)<\/td> { \"message\": \"Unauthenticated.\", \"error_code\": \"unauthenticated\" }<\/code><\/td><\/tr>403<\/strong><\/td>Forbidden (key valid, action not allowed)<\/td> { \"message\": \"This action is unauthorized.\", \"error_code\": \"this_action_is_unauthorized\" }<\/code><\/td><\/tr>404<\/strong><\/td>Resource not found<\/td> { \"message\": \"...\" }<\/code><\/td><\/tr>422<\/strong><\/td>Validation error<\/td> { \"message\": \"...\", \"errors\": { \"field\": [\"...\"] } }<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\nValidation error example<\/strong><\/p>\n\n\n\n\n<\/svg>\n<\/i>\n\n<\/svg>\n<\/i><\/div>Copy<\/div><\/div>