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Re:Ask HN: What API do you wish you had while building your ... by reitanqild on Sunday July 09, 2017 @04:32PM (#14731528)
A webhook or something that would tell me when a phone number changes owner.

I.e.: when we bill someone weekly for something and then the phone number changes owner we want to stop immediately.

Same if you send sms-es that you don’t want delivered to anyone but the intended recipient.

Re:Ask HN: What API do you wish you had while building your ... by amiller2571 on Monday July 10, 2017 @10:34PM (#14741214)
I can understand the positive uses for such an API. For the uses you mentioned it would be great.

However, I hope nothing like that is ever made! It would get abused to no end. I've personally changed number multiple times for privacy reasons.

Re:Ask HN: What API do you wish you had while building your ... by reitanqild on Tuesday July 11, 2017 @03:27AM (#14742215)
I see your point but as long as the

1. You only get notifications for numbers you sign up to watch

2. The webhook only notifies me that <number> will be transferred <at> (using some data format)

then it shouldn't be a problem, should it?

Re:Ask HN: What API do you wish you had while building your ... by amiller2571 on Tuesday July 11, 2017 @08:10AM (#14743448)
I think it would be ok as long as it didn't tell you what the person's new number is or who now owns <number> if it gets reassigned.
Re:Ask HN: What API do you wish you had while building your ... by reitanqild on Tuesday July 11, 2017 @02:36PM (#14746763)
Ok, then we agree :-)

We just wanted to know so that we wouldn't charge the new owner for things the old owner ordered etc.