curl --request POST \
  --url https://sandbox.api.reap.global/card-3ds-challenges/{challengeId}/respond \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'Reap-Version: <reap-version>' \
  --data '
{
  "approve": true
}
'

{
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "cardId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "status": "PENDING",
  "merchant": {
    "name": "<string>",
    "countryCode": "<string>"
  },
  "transaction": {
    "amount": "<string>",
    "currency": "<string>",
    "timestamp": "<string>"
  },
  "expiresAt": "<string>"
}