curl --request POST \
  --url http://localhost:8081/v1/connections/test \
  --header 'Content-Type: application/json' \
  --header 'X-Org-Id: <x-org-id>' \
  --header 'X-Reevit-Key: <api-key>' \
  --data '
{
  "provider": "paystack",
  "credentials": {},
  "id": "<string>",
  "mode": "live",
  "status": "active",
  "capabilities": {},
  "routing_hints": {
    "country_preference": [
      "<string>"
    ],
    "method_bias": {},
    "fallback_only": true
  },
  "labels": [
    "<string>"
  ]
}
'

{
  "ok": true,
  "message": "<string>"
}