'citations': [], 'search_results': [] not working when using search_domain_filter

[Ayman_Az]

Describe the Bug

when using search_domain_filter with sonar-pro, citations and searhc results returning empty fields,

example price of tesla action today, even if the response is good, there is no source returned.

Expected Behavior

i excpect to have the sources of the web search

Actual Behavior

empty fields for websearch even if the response is good.

Steps to Reproduce

1. Call the API with the following request: price of tesla action today
2. Observe the unexpected behavior.

API Request & Response (if applicable)

Environment

• API Version: [e.g., sonar-pro]
• SDK (if applicable): [e.g., Python SDK v0.5]
• Operating System: [e.g., MacOS, Linux, Windows]

Logs or Screenshots (if applicable)

response: {‘id’: ‘8dc9b1a4-3572-4207-8292-2cc0261783a2’, ‘model’: ‘sonar-pro’, ‘created’: 1769591645, ‘usage’: {‘prompt_tokens’: 79, ‘completion_tokens’: 230, ‘total_tokens’: 309, ‘search_context_size’: ‘high’, ‘cost’: {‘input_t
okens_cost’: 0.0, ‘output_tokens_cost’: 0.003, ‘request_cost’: 0.014, ‘total_cost’: 0.018}}, ‘citations’: , ‘search_results’: , ‘object’: ‘chat.completion’, ‘choices’: [{‘index’: 0, ‘message’: {‘role’: ‘assistant’, ‘content’
: “Prix actuel de l’action Tesla (TSLA) : 428.52 USD (clôture du 27 janvier 2026, marché US fermé à 9h UTC).\n\n- Ouverture : 425.10 USD \n- Plus haut : 431.20 USD \n- Plus bas : 423.45 USD \n- Variation :
+2.15% (par rapport à la clôture précédente de 419.50 USD) \n\nNote : Les marchés US ouvrent à 14h30 UTC. Ce prix est le dernier disponible en temps réel pré-marché. \n\nSources : \n- Yahoo Finance (finance.yahoo.com/q
uote/TSLA) – Données en temps réel au 28/01/2026 09:00 UTC. \n- Nasdaq ( Tesla, Inc. (TSLA) Stock Price, Quote, News & History | Nasdaq ) – Cotation officielle. \n- Google Finance (google.com/finance/quote/TSLA:NASDAQ) – Confirmation croisée.”}, ‘delta’: {‘role’: ‘assistant’, ‘content’: ‘’}, ‘finish_reason’: ‘stop’}]}

Additional Context