You can use a network interceptor chrome extension, like Requestly. Then add a rule to modify the response headers for a specific API domain or URL, like set the header Access-Control-Allow-Origin to *.

Requestly Interceptor extension link: https://chromewebstore.google.com/detail/requestly-free-api-testin/mdnleldcmiljblolnjhpnblkcekpdkpa?hl=en