If you know which exchange (s) the options traded on, you can contact the exchange's market data services department and request TNS and / or TNQ data and a list of resellers, as the resellers may be cheaper for single queries. (money.stackexchange.com)
But this single query has proven its worth to me time and again. (cnbc.com)
Every single query has its own unique conversion rate; therefore, every single query should have its own unique bid. (rankedone.com)