I'm using the WhitePages API ( developer.whitepages.com ) to get a phone type (lan开发者_如何学Pythondline or cellular) and the phone's service provider (Verizon, T-Mobile, etc), but they only have a personal API which limits you to 2 calls a second and/or 1,500 calls a day. The paid version, or "Pro", is a minimum of $500 a month and/or $0.10 a call.
Does anyone know another service where I can get that information for free or cheaper than $500 / $0.10 a call? If not I'll have to try to cache everything and it'll technically be against their TOS...
We've tried using NetNumber and TargusInfo. Maybe you want to look at them. Not sure how much they cost though.
How much volume are you trying to do?
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