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The Phone number user block allows you to ask your user for a phone number and ensure it is properly formatted. It supports international phone number validation, country code selection, and stores numbers in a consistent format.
Phone number input in flow builder

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Configuration

  • Placeholder: Customize the input field placeholder (supports variables)
  • Button label: Configure the submit button label (supports variables)
  • Default Country: Select a default country code from 200+ supported countries. Leave unset (international) to allow users to select any country code
  • Save Answer: Choose a variable to store the validated phone number

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Automatic Validation

  • Format Checking: Validates phone number format based on selected country
  • Real-time Feedback: Provides immediate validation feedback to users
  • Error Handling: Shows retry message when invalid formats are entered