curl --request PATCH \
  --url https://api.withampersand.com/v1/projects/{projectIdOrName}/destinations/{destination} \
  --header 'Content-Type: application/json' \
  --header 'X-Api-Key: <api-key>' \
  --data '{
  "updateMask": [
    "name",
    "metadata.url"
  ],
  "destination": {
    "name": "leadConvertedWebhook",
    "metadata": {
      "url": "https://webhooks.mailmonkey.com/salesforce-lead-converted",
      "headers": {
        "Authorization": "Bearer 1234"
      }
    }
  }
}'

{
  "id": "<string>",
  "name": "leadConvertedWebhook",
  "type": "webhook",
  "metadata": {
    "url": "https://webhooks.mailmonkey.com/salesforce-lead-converted",
    "headers": {
      "Authorization": "Bearer 1234"
    }
  },
  "createTime": "2023-11-07T05:31:56Z",
  "updateTime": "2023-11-07T05:31:56Z",
  "secrets": {
    "webhookSigningKey": "<string>"
  }
}