Choose a authentication product
Firebase Auth
gcp
Firebase Auth
Firebase
Firebase Authentication provides backend services, easy-to-use SDKs, and ready-made UI libraries to authenticate users to your app.
Pricing overview View more
Phone authentication
Prices are per successful phone verification. (Firebase has a perpetual free tier that includes 10K verifications per month)
Tip: Our Firebase calculations assume you use tier one pricing / blaze plan.
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