Truecaller for Developers
  • Hello!
  • Why Truecaller SDK?
  • Getting Started
  • Android
    • OAuth SDK 3.1.0
      • Implementing user flow for your App
      • Scenarios for all user verifications : Truecaller and Non Truecaller Users
      • Integration Steps
        • Generating Client ID
        • Setup
        • Implementing Callbacks
        • Initialisation
        • Setting up OAuth parameters
        • Invocation
        • Customisation
        • Clearing SDK Instance
        • Handling Error Scenarios
        • Integrating with your Backend
          • Fetching User Token
          • Fetching User Profile
        • Non Truecaller User Verification
          • Completing Verification
          • TrueException
          • Server Side Validation
      • Instrumentation
      • Getting Release Ready
        • Testing your verification flow
          • Non-Truecaller user verification flow
          • Truecaller user verification flow
          • Test Setup
        • Google play store app permission declaration form
        • Moving to Production
    • OAuth SDK 3.0.0
      • Implementing user flow for your App
      • Scenarios for all user verifications : Truecaller and Non Truecaller Users
      • Integration Steps
        • Generating Client ID
        • Setup
        • Implementing Callbacks
        • Initialisation
        • Setting up OAuth parameters
        • Invocation
        • Customisation
        • Clearing SDK Instance
        • Handling Error Scenarios
        • Integrating with your Backend
          • Fetching User Token
          • Fetching User Profile
        • Non Truecaller User Verification
          • Completing Verification
          • TrueException
          • Server Side Validation
      • Instrumentation
      • Getting Release Ready
        • Testing your verification flow
          • Non-Truecaller user verification flow
          • Truecaller user verification flow
          • Test Setup
        • Google play store app permission declaration form
        • Moving to Production
    • SDK v2.8.0[Deprecating Soon ⚠️]
      • Implementing user flow for your app
      • Scenarios for all user verifications : Truecaller and Non Truecaller Users
      • Generating App Key
      • Integrating with your App
        • Setup
        • App Key Configuration
        • Initialisation
        • Customisation
        • Implement Callbacks
        • Clearing SDK instance
        • Handling Error Scenarios
        • Verifying non Truecaller users
          • TrueException
          • Completing Verification
        • Advanced Steps
      • Server Side Response Validation
        • For Truecaller users verification flow
        • For Non-Truecaller users verification flow
      • Instrumentation
      • Getting Release Ready
        • Testing your verification flow
          • Truecaller user verification flow
          • Non-Truecaller User Verification Flow
          • Test Setup
        • Google Play App Signing
        • Google Play Store app permissions declaration
        • Google Play Policy Change for Device Identifiers
      • Changelog
    • Change Log
  • Mobile Websites
    • Implementing user flow for your Mobile Website
    • Generating App Key
    • Integrating with your mobile website
      • Initialisation
      • Invoking verification
      • Fetch User Profile
      • Completing User Verification
      • Handling Error Scenarios
    • Getting Release Ready
      • Instrumentation
      • Testing your verification flow
  • iOS
    • Generating App Key
    • Integrating with your iOS App
      • Setup
      • Configuration
      • Usage
        • Swift
        • Objective-C
      • Verifying Non-Truecaller app users
        • Completing Verification
      • Handling Error Scenarios
        • Safari Redirection
    • Server Side Response Validation
  • Shopify App
    • Generating App Key
    • App Configuration
    • Deactivating App Block
  • FAQS
    • General
    • Developer Account
    • Android App SDK
    • Android OAuth SDK
    • Mobile Web SDK
    • Number Verification Plugin
  • Product Updates
    • App Review Process
    • Introducing dark theme
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  1. Android
  2. SDK v2.8.0[Deprecating Soon ⚠️]
  3. Getting Release Ready

Google Play App Signing

In case you are using the app signing feature of google play store, when you upload your release build to the google play store, it assigns a new SHA1 fingerprint to your app - which might lead to UNAUTHORISED_PARTNER_KEY error for your app, since the appKey used by you in your app config was generated for a different SHA1, and hence won't work for the new SHA1.

In this scenario, you need to go to the "app integrity section" of the Google play console, where you would see 2 SHA1 keys (a) Upload Certificate SHA1 and (b) App Signing Certificate SHA1.

You need to note down the "App Signing Certificate SHA1" from the console, and generate a new Truecaller partner key ( app key ) for your play store build. Configure this key for your play store build in your project, and upload the build on play store for your users.

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Last updated 11 months ago