Create connect token

curl --request POST \
  --url https://api.openint.dev/v0/connect/token \
  --header 'Content-Type: application/json' \
  --header 'x-apikey: <api-key>' \
  --header 'x-connection-id: <api-key>' \
  --data '{
  "customerId": "<string>",
  "validityInSeconds": 2592000
}'

{
  "token": "<string>"
}