curl --request POST \
  --url https://api.egp.scale.com/v5/credentials \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '{
  "type": "<string>",
  "name": "<string>",
  "description": "<string>",
  "payload": "<string>",
  "credential_metadata": {}
}'

{
  "id": "<string>",
  "object": "credential",
  "created_by_user_id": "<string>",
  "created_by_identity_type": "<string>",
  "type": "<string>",
  "name": "<string>",
  "description": "<string>",
  "credential_metadata": {},
  "created_at": "2023-11-07T05:31:56Z",
  "updated_at": "2023-11-07T05:31:56Z"
}