Unable to configure Zapier settings in WordPress: "authentication failed" error when adding account

There’s a whole bunch of reasons this could happen - it’s usually an issue with your web host.

Here is where to start: https://help.zapier.com/hc/en-us/articles/8496101767309-How-to-get-started-with-WordPress-on-Zapier#h_01HV13CX88PXF2ENT12ZA2EEJR

If none of this works, contact support

Hey ​@isparkdev,

Here is a helpful article about common problems in Wordpress in Zapier- https://help.zapier.com/hc/en-us/articles/8495969550989-Common-Problems-with-WordPress

Referencing some of the issues from the article-

Error: 500 Internal Server Error or other trouble connecting

In order to connect to WordPress, you must have XML-RPC functionality turned on. This is turned on by default in WordPress 3.5+. If you're having issues connecting, go to Settings > Writing > Remote Publishing and check the checkbox.

You may also receive this error if your WordPress installation is secured and not publicly available. Unfortunately, the installation must be publicly accessible to work with Zapier.

Also, we're unable to provide IPs to allowlist as our IPs are not static - they rotate because we use AWS. If you'd like, you should be able to allowlist a block of IPs from AWS to make this work. You would just need to make sure the list you're allowing is the us-east-1 IP range.

AWS provides a list of their IP address ranges at https://ip-ranges.amazonaws.com/ip-ranges.json. You can read more about how to use those IPs here.

Additionally, Zapier's calls will always include the header User-Agent: Zapier, so this may be an alternative when allowing a whole range of IPs isn't feasible.

Hope it helps!

Hi there ​@isparkdev 👋 Did the guides Andrew and Sparsh shared help you to get those errors sorted?

Want to make sure your WordPress account gets added successfully, so please keep us posted on how it went!