Apply coupon code to quote

put https://{baseUrl}/V1/storeview/{store-view-code}/user/quote/coupon/{coupon-code}

Apply coupon code to shopping cart quote.
Sample Curl
Simple product
curl --location 'https://mygatewayurl.com/V1/storeview/default/user/quote/coupon/10customer' --header 'Authorization: Bearer qsk2p2azmuylkcgsuhhkbale7vk571vn' --header 'Content-Type: application/json' --data '{}'

Language

Credentials

Bearer

URL

Click Try It! to start a request and see the response here!