How to record audio and get it as NSData in iOS?

Question

I want to record some thing in my app and post it to some API. Please help

Answer 1

You can follow this link for recording and saving audio in local iPhone storage (ex: Document Directory).

Record audio file and save locally on iPhone

Once you saved it you can convert file content as NSData

NSDate *audioData = [NSData dataWithContentsOfFile:audioFilePath];
// audioFilePath is the path of audio either from document 
// directory or any other location.

Answer 2

This simple tutorial might help you

https://www.appcoda.com/ios-avfoundation-framework-tutorial/

Once you are done recording then you have to choose do you want

 AFNetworking or NSURLConnection 

to send the audio to the server