130403
WhatsApp error 130403 Not delivered — you have blocked this recipient
Needs action from you first
You fix this
Sending and connection errors
Short answer
This recipient is on your own block list, so the message was not delivered. Nothing you send will reach them while the block is in place.
Checked against Meta docs on
2026-08-24
Official source
- Sara Delivered
- Karl Failed 130403Not delivered — you have blocked this recipient
How to fix it
- Unblock the recipient from the contact page.
- Send the message again once the block is lifted.
- Do not retry before unblocking — the result will be the same error.
Meta's official wording for this code
Description
Unable to deliver the message. This business has blocked the end user on WhatsApp
Meta's suggested solution
Do not retry. Unblock the WhatsApp user to resume sending messages to them. See Unblock a user.
Other codes in the same category
Common questions about this code
What does WhatsApp error 130403 mean?
This recipient is on your own block list, so the message was not delivered. Nothing you send will reach them while the block is in place.
Can I just send the message again?
Not before the cause is addressed. Complete the steps above, then send again.
Is this a problem with my account?
You resolve this from your own account settings.
Still hitting this error?
Send us the code and a screenshot and we will read it with you. With LetsBot, the reason each message failed appears next to it in the campaign report instead of a bare number.