Tr adding the Xapier IP address and let me know what happens.
# XML-RPC DDoS & TRACKBACK/PINGBACK PROTECTION # Using this code blocks Pingbacks and Trackbacks on your website. # You can whitelist your IP address if you use A Weblog Client # or want to whitelist your IP address for any other reasons. # Example: uncomment #Allow from x.x.x. by deleting the # sign and # replace the x's with your actual IP address. Allow from 99.88.77. # Note: It is recommended that you use 3 octets x.x.x. of your IP address # instead of 4 octets x.x.x.x of your IP address. <FilesMatch "^(xmlrpc\.php|wp-trackback\.php)"> Order Deny,Allow # Whitelist Jetpack/ Automattic CIDR IP Address Blocks Allow from 192.0.64.0/18 Allow from 209.15.0.0/16 Allow from 66.155.0.0/17 # Zapier IP address Allow from 54.86.9.50 Deny from all </FilesMatch>