September 15, 2022 in Digital Marketing, Tips and Tricks
Sending of message failed. Account does not exist in Facebook Hosted API, please use /register API to create an account first.
You need to first register the number on WhatsApp Cloud API before you can begin messaging. Checkout their developer docs: https://developers.facebook.com/docs/whatsapp/cloud-api/reference/registration Note, you will need to add the number to the Business Manager account and verify it in the process first. Copy the Base64-encoded Certificate A base64-encoded certificate string is generated for you and is used […]