In one of my project I use a Wordpress REST Api. When I was enabled cache by WP Super Cache plugin I have an error now:

XMLHttpRequest cannot load http://api.mydomain.com/wp-json/wp/v1/posts. Origin http://mydomaintwo.com is not allowed by Access-Control-Allow-Origin.

How can I fix it?

1 Answer 1


I found a .htaccess solution, but I will be happy if anyone know a working PHP solution.

It's my .htaccess with multiple domain access support and access for only GET request:

# CORS Headers
<ifModule mod_headers.c>
    SetEnvIf Origin "^http(s)?://(.+\.)?(localhost:8080|example\.com|example\.net)$" origin_is=$0 
    Header always set Access-Control-Allow-Origin %{origin_is}e env=origin_is
    Header always set Access-Control-Allow-Methods "GET"
    Header always set Access-Control-Allow-Headers "X-Requested-With, content-type"

# BEGIN WordPress
... # default WP rules
# END WordPress

RewriteRule ^(.*)$ $1 [R=200,L]

If you want to use only one domain, you can remove the line starts with "SetEnvIf...", and in the next put:

Header always set Access-Control-Allow-Origin: "http://example.com"

If you want to use also other request, you can separated it by a comma:

Header always set Access-Control-Allow-Methods "GET, POST, PUT, DELETE"

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service and acknowledge you have read our privacy policy.

Not the answer you're looking for? Browse other questions tagged or ask your own question.