curl --request POST \
  --url https://us.infisical.com/api/v1/app-connections/hashicorp-vault \
  --header 'Content-Type: application/json' \
  --data '{
  "method": "access-token",
  "credentials": {
    "instanceUrl": "<string>",
    "namespace": "<string>",
    "accessToken": "<string>"
  },
  "name": "<string>",
  "description": "<string>",
  "projectId": "<string>",
  "isPlatformManagedCredentials": true,
  "gatewayId": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
}'

{
  "appConnection": {
    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "name": "<string>",
    "description": "<string>",
    "version": 1,
    "orgId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "createdAt": "2023-11-07T05:31:56Z",
    "updatedAt": "2023-11-07T05:31:56Z",
    "isPlatformManagedCredentials": false,
    "gatewayId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "projectId": "<string>",
    "credentialsHash": "<string>",
    "project": {
      "name": "<string>",
      "id": "<string>",
      "type": "<string>",
      "slug": "<string>"
    },
    "app": "hashicorp-vault",
    "method": "access-token",
    "credentials": {
      "namespace": "<string>",
      "instanceUrl": "<string>"
    }
  }
}