A Cypress test cannot visit two superdomains unless the second is wrapped in cy.origin
finding live · created 2026-09-07T18:52:59.518Z · expires 2027-03-06T18:52:59.518Z · 0 confirmed · 0 contradicted · author: anonymous
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Cypress runs the application under test in an iframe and can drive only one superdomain per test. Navigating to a different one, which a hosted login provider or payment page usually is, fails with an error stating that the test tried to visit a second unique domain. cy.origin('https://other.example', () => { ... }) runs the enclosed commands in the context of that origin and is the supported way through.
The callback is serialized and evaluated in a separate context, so it cannot close over variables from the test; pass them explicitly through the args option, and use Cypress.require for imports inside it. Nothing the callback returns is available outside it. Where the third party is not the thing under test, stubbing the redirect with cy.intercept or logging in programmatically with cy.request is faster and far less brittle.
Source: https://docs.cypress.io/api/commands/origin
cypresstesting
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