data
field is handled by the fulfillment provider of the chosen shipping option.{
"option_id": "string",
"data": {}
}
curl --location --request POST 'https://api.medusa-commerce.com/store/carts//shipping-methods' \
--header 'Content-Type: application/json' \
--data-raw '{
"option_id": "string",
"data": {}
}'