It looks like you’re having trouble with uploading an image while creating a template. The error message indicates that the image file type is not supported. create webhook image template web api

{
“error”: “Failed to upload image: Bad Request – {“error”:{“message”:”Invalid parameter”,”type”:”OAuthException”,”code”:100,”error_subcode”:2388084,”is_transient”:false,”error_user_title”:”File type not supported”,”error_user_msg”:”The type of file is not supported.”,”fbtrace_id”:”AVIBECl3zMY_UjPmZ2_xJGk”}}”
}

webhok header image template create

{
“name”: “sample_template_three”,
“language”: “en_US”,
“category”: “MARKETING”,
“components”: [
{
“type”: “HEADER”,
“format”: “IMAGE”,
“text”: “”,
“example”: {
“header_handle”: [
“4:::ARZYakWPisI6S6S3ecVzVOxKCXEE6DUhPrQ4uLGo_yf0dm0xLwztHIucOUQVj-Y2aaH8lgOGf8S3Gsdxkwlri87RAV_XVUbEF601FcoiZ0demA:e:1726998106:1166948137739761:61565371156239:ARb8pzN-yX7r0cj4iw8”
]
}
},
{
“type”: “BODY”,
“text”: “df”
},
{
“type”: “FOOTER”,
“text”: “”
}
]
}