{
"cert_id": 0,
"domains": [
"string"
]
}curl --location --request POST 'https://api.v2.rainyun.com/product/rcdn/instance//ssl_bind' \
--header 'x-api-key;' \
--header 'rain-dev-token: {{rain-dev-token}}' \
--header 'Content-Type: application/json' \
--data-raw '{
"cert_id": 0,
"domains": [
"string"
]
}'{}