Title: Api problems
Last modified: July 13, 2026

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# Api problems

 *  Resolved [steff66](https://wordpress.org/support/users/steff66/)
 * (@steff66)
 * [1 month ago](https://wordpress.org/support/topic/api-problems-4/)
 * Hello,
 * I would like to use the EventPrime REST API to transfer events to a subdomain(
   from my main WordPress site to a subsite). Unfortunately, I’m running into a 
   problem.
 * The `get_access_token` endpoint (`/wp-json/eventprime/v1/integration?action=get_access_token`)
   has consistently been returning `{"status":"error","message":"Invalid credentials."}`(
   HTTP 401) — with **multiple different Administrator accounts**, whose passwords
   are verifiably correct (they work fine on the normal wp-login). The API was working
   correctly before this. All WordPress-side login-protection plugins (Captcha, 
   Hide-Login, Login-Limiter) have been disabled for testing, without any change
   in behavior. EventPrime version: 4.3.4.3. Site URL: seiffen.de.
 * Could you please check whether there is any internal rate-limiting or lockout
   mechanism on the `get_access_token` endpoint that might be blocking these requests,
   and if so, how it can be reset?
 * Thank you very much for your help.
 * Best regards,
   Steffen

Viewing 1 replies (of 1 total)

 *  Plugin Support [epsupport1](https://wordpress.org/support/users/epsupport1/)
 * (@epsupport1)
 * [1 month ago](https://wordpress.org/support/topic/api-problems-4/#post-18965362)
 * Hi [@steff66](https://wordpress.org/support/users/steff66/),
 * Thank you for reaching out.
 * To generate an API access token successfully, please verify the following requirements
   on your end:
    - **Permalinks**: In your WordPress dashboard, go to Settings → Permalinks and
      ensure the permalink structure is set to Post name. The WordPress REST API
      may not function correctly if the permalink setting is Plain.
    - **HTTPS**: Please confirm that your website is secured with a valid SSL certificate
      and is accessible over HTTPS.
    - **Enable API**: Navigate to EventPrime → Settings → API / Webhooks and make
      sure the Enable API option is turned on.
    - **Application Password**: When generating the access token, please use a WordPress
      Application Password rather than your regular WordPress account password.
 * Based on the information you’ve shared, the authentication credentials appear
   to be the likely source of the issue.
    Please verify the above and let us know
   the results.

Viewing 1 replies (of 1 total)

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 * 1 reply
 * 2 participants
 * Last reply from: [epsupport1](https://wordpress.org/support/users/epsupport1/)
 * Last activity: [1 month ago](https://wordpress.org/support/topic/api-problems-4/#post-18965362)
 * Status: resolved