ListeningStarted
EventFired after StartListening succeeds.
Extensions
MIT App Inventor
Kodular
Niotron
Android Builder
Thunkable
SmsRetriever
Read one incoming OTP SMS with Google's SMS Retriever API. No SMS permission and no inbox access.
18 September 2026v1.0
$7.99
Tools
About
SmsRetriever uses Google's official SMS Retriever API so your app can receive one matching OTP message without READ_SMS, RECEIVE_SMS, or SEND_SMS. The broadcast is gated by Play services' SEND permission, SMS text stays on the device, and nothing is uploaded. Add the 11-character app hash from GetAppHash to your SMS template, call StartListening, then read GotSms.
Features
- Google SMS Retriever only — no inbox read and no SMS permissions
- Broadcast gated by com.google.android.gms.auth.api.phone.permission.SEND
- GetAppHash for the 11-character hash that must appear in the SMS body
- GotSms returns the full message plus a 4-8 digit OTP guess
- TimeoutOccurred after 5 minutes if no matching SMS arrives
- SMS text is never sent off-device by this extension
- Official play-services-auth-api-phone client, checksummed from Google Maven
Documentation
Google SMS Retriever for one OTP message. No READ_SMS, no inbox access, and the SMS text is never uploaded.
Docs7
GotSms
EventFired with the full SMS body and a best-effort OTP (4-8 digits). Nothing is uploaded.
| Parameter | Type |
|---|---|
| message | text |
| otp | text |
TimeoutOccurred
EventFired when Google reports no matching SMS within 5 minutes.
ErrorOccurred
EventFired when listening cannot start or Play services returns an error.
| Parameter | Type |
|---|---|
| message | text |
Blocks7
Compatible platforms
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