Vadym

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Any updates? How to do the right request? let authenticationString = btoa('user:API_KEY-us20'); authenticationString = `Basic ${authenticationString}`; const result = await fetch('https://us20.api.mailchimp.com/3.0/lists/XXXXXXXX/members', { mode: 'no-cors', method: 'POST', headers: { authorization: authenticationString,...

> > Any updates? > > How to do the right request? > > let authenticationString = btoa('user:API_KEY-us20'); > > authenticationString = `Basic ${authenticationString}`; > > ``` > > const...