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for Crashlytics: try Apteligent (formerly Crittercism) (I used to work there). For Digits - take a look at Twilio (more general voice & data APIs) and then abs
by scapecast 10y ago
for Crashlytics: try Apteligent (formerly Crittercism) (I used to work there).
For Digits - take a look at Twilio (more general voice & data APIs) and then absolutely Nexmo, they specialize in phone number authentication.