Set billing address

POST {{serverUrl}}/index.php/rest/V1/guest-carts/{{cartId}}/billing-address

Request Body

{"address"=>{"firstname"=>"Veronica ", "lastname"=>"Costello", "company"=>"Adyen", "street"=>["Simon Carmiggeltstraat", "Main Street"], "city"=>"Amsterdam", "region"=>"Amsterdam", "postcode"=>"1011 DK", "country_id"=>"NL", "telephone"=>"123456789", "email"=>"roni_cost@example.com"}, "useForShipping"=>true}