I solve it using direclt API from the browser console. Here is how I did it: Workaround: Create API Keys via browser console when Integrations page is blank If the Integrations tab under Users and Access shows a blank page (with console error [maison] integrations @ url(/access/m-integrations/asset-manifest.json): No app or default mount found!), you can use the internal REST API directly from the browser console. Steps: Go to https://appstoreconnect.apple.com and make sure you're logged in with an Account Holder or Admin account Open the browser developer console (F12 → Console tab) Create the API Key: jsfetch('/iris/v1/apiKeys', { method: 'POST', credentials: 'include', headers: { 'Accept': 'application/json', 'Content-Type': 'application/json' }, body: JSON.stringify({ data: { type: 'apiKeys', attributes: { nickname: 'NEED_TO_DO_SOME_STUFF', allAppsVisible: true, keyType: 'PUBLIC_API', roles: ['APP_MANAGER'] } } }) }).then(r => r.json()).then(d => { console.log('✅ Key created!'); console.log('Key ID: