The error (#131037) "WhatsApp provided number needs display name approval before message can be sent." indicates that your phone number's display name has not been fully approved by WhatsApp, even if it appears as successfully set via the API.

Steps to Resolve:

1️⃣ Check Display Name Status in Meta Business Manager: Go to Meta Business Manager → WhatsApp Accounts Select your account and navigate to Phone Numbers Verify if the display name is "Approved" or still "In Review"

2️⃣ Verify the Display Name Requirements: Ensure your display name follows WhatsApp’s Display Name Guidelines Matches your business branding Doesn’t include special characters or misleading words

3️⃣ Manually Request Approval: If the name is still pending, try re-submitting for approval: Navigate to Meta Business Manager → WhatsApp Manager → Phone Numbers Click Edit Display Name and re-submit

4️⃣ Check API Settings & Refresh Access Token: Ensure the correct phone number ID is being used Refresh the API token and retry sending the message

5️⃣ Contact Meta Support: If the issue persists after 24-48 hours, raise a support ticket via Meta Business Support