curl -X POST 'https://api.sendforsign.com/api/contract' \
-H 'X-Sendforsign-Key: YOUR_API_KEY' \
-H 'Content-Type: application/json' \
-d '{
"data": {
"action": "duplicate",
"clientKey": "YOUR_CLIENT_KEY",
"contract": {
"contractKey": "YOUR_CONTRACT_KEY"
}
}
}'