Create a step workflow session

curl --request POST \
--url https://api.nfig.ai/apis/request/workflow/step/create \
--header 'Content-Type: application/json' \
--header 'api-key: <api-key>' \
--data '{
  "browserMode": "<mode>"
}'

{
  "workflowId": "67133e3bdc2f5555ef593",
  "sessionToken": "<string>",
  "debuggerUrl": "<string>"
}