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fetch klaviyo API A cross-origin issue has occurred

  • September 26, 2025
  • 1 reply
  • 44 views

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Best answer by whereisjad

@bodyparkATOM 

Have you seen these Community threads on the topic? I would recommend trying the solutions here as a first step:

https://community.klaviyo.com/developer%2Dgroup%2D64/url%2Dhas%2Dbeen%2Dblocked%2Dby%2Dcors%2Dpolicy%2D7365

https://community.klaviyo.com/developer%2Dgroup%2D64/cors%2Dpolicy%2Dno%2Daccess%2Dcontrol%2Dallow%2Dorigin%2D1457

 

 

 

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whereisjad
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