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How to Fix WhatsApp Error #133010 – Account Is Not Registered

Fix WhatsApp Error #133010

Seeing “The account is not registered” even though your number looks connected? Refresh your Cloud API registration and get messages sending again.

Overview

Are you receiving Error #133010 – The account is not registered when trying to send WhatsApp messages, even though your WhatsApp number appears connected in Meta WhatsApp Manager?

This error indicates that your phone number may no longer be actively registered with the WhatsApp Cloud API. Even if your WhatsApp Business Account is approved and your phone number shows as connected in Meta Business Manager, its Cloud API registration may need to be refreshed.

Follow the steps below to resolve this issue.

Fix It in 4 Steps

1Click on 3 dots and delete the number from meta page
2 Try adding your number again 
3Verify your number with OTP
4Send a test message
Error Details What Does Error #133010 Mean?

You may encounter the following error when sending WhatsApp messages:

Error Code: 133010
Error Message: The account is not registered.
Description: Phone number is not registered on Cloud API.

This means WhatsApp Cloud API is unable to recognize your phone number as an actively registered number.

Step 1 Re-register Your WhatsApp Phone Number

Your phone number may need to be registered again with WhatsApp Cloud API.

1

Open your WhatsApp Business Account

Access your WhatsApp Business Account through Meta.

2

Go to Phone Numbers

Navigate to WhatsApp Manager → Phone Numbers.

3

Select the affected number

Select the phone number that is showing the error.

4

Start the registration process

Follow Meta’s available registration or verification process.

5

Verify ownership if prompted

Verify ownership of your phone number using SMS or a voice call.

6

Complete the registration

Finish the registration process and confirm it completes successfully.

Step 2 Deregister and Register Your Number Again

If re-registering your phone number does not resolve the issue, you may need to deregister and register it again.

Important Deregistering a phone number may temporarily interrupt WhatsApp messaging services. Please proceed only if necessary and ensure you understand the impact before continuing.
1

Deregister the phone number

Deregister the affected phone number from WhatsApp Cloud API.

2

Start registration again

Initiate the registration process again.

3

Verify the phone number

Complete phone number verification using SMS or a voice call.

4

Confirm success

Confirm that the registration is successful.

Step 3 Verify Your Two-Step Verification PIN

If two-step verification is enabled for your WhatsApp phone number:

1

Have your PIN ready

Make sure you have the correct six-digit PIN.

2

Enter the PIN

Enter the PIN when prompted during registration.

3

Forgot your PIN?

Follow Meta’s PIN recovery instructions.

Note An incorrect PIN may prevent the registration process from completing successfully.
Step 4 Send a Test Message

After successfully registering your phone number:

1

Return to your account

Go back to your account in the platform.

2

Open a test conversation

Open the WhatsApp conversation with a test contact.

3

Send a test message

Send a message to the test contact.

4

Confirm it sends

Confirm that the message is sent successfully.

You’re All Set If the message goes through without error #133010, the issue should be resolved.
Still Experiencing the Issue?

If you have completed the above steps and are still receiving error #133010, please contact our Support Team.

Our team will review the information and assist you further.

Additional Resources

For more information, refer to Meta’s official documentation:

WhatsApp Cloud API – Error Codes
WhatsApp Cloud API – Phone Number Registration
Last updated Mon, 2 Nov, 2026 at 1:47 AM