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Test WhatsApp Templates in Sandbox

Quick Test

Most tests take under 2 minutes once templates are approved.

This guide helps you send a test WhatsApp template message to a phone number.

Go to: Settings → Communications → WhatsApp → Sandbox

Quick Reference​

FieldWhat it controlsWhere to click
Phone NumberThe recipient numberPhone Number field
Select TemplateTemplate to sendSelect Template
Template VariablesVariable valuesVariable fields
Send MessageSends the test messageSend Message
PreviewShows the message textPreview panel

Before You Start​

Confirm these requirements:

  • WhatsApp is connected in Settings → Communications → WhatsApp → Setup
  • At least one approved WhatsApp template exists

Send a Test Message​

  1. Go to Settings → Communications → WhatsApp → Sandbox.

  2. Enter a Phone Number with country code.

  3. Open Select Template and choose a template.

  4. Fill in Template Variables if they appear.

  5. Click Send Message.

    ✓ You see "Message sent successfully!"

Preview the Message​

  1. Select a template.

  2. Review the Preview panel.

    ✓ The preview shows your message text.

Troubleshooting​

WhatsApp Business Account Required​

What you see: "WhatsApp Business Account Required."

Fix:

  1. Go to Settings → Communications → WhatsApp → Setup.
  2. Connect your WhatsApp Business account.
  3. Return to the sandbox and try again.

Please enter a valid phone number​

What you see: "Please enter a valid phone number."

Fix:

  1. Include a country code, like +1.
  2. Try again.

Please select a valid template​

What you see: "Please select a valid template."

Fix:

  1. Open Select Template.
  2. Choose a template from the list.

Please fill in all template variables​

What you see: "Please fill in all template variables: ..."

Fix:

  1. Fill every Template Variables field.
  2. Click Send Message again.

Failed to send message​

What you see: "Failed to send message."

Fix:

  1. Confirm the phone number is correct.
  2. Try another approved template.

Still Stuck?​

Contact success@vouch-technologies.com if:

  • ❌ Test messages fail after multiple attempts
  • ❌ Templates never appear in the list
  • ❌ Errors persist for more than 30 minutes

Helpful to include:

  • Screenshot of the sandbox page
  • Phone number used for the test
  • Template name you selected