curl --request DELETE \
  --url https://api.withampersand.com/v1/projects/{projectIdOrName}/connections/{connectionId} \
  --header 'X-Api-Key: <api-key>'

{
  "type": "urn:problem-type:exampleOrganization:exampleProblem",
  "href": "https://www.belgif.be/specification/rest/api-guide/#standardized-problem-types",
  "title": "Description of the type of problem that occurred",
  "status": 400,
  "detail": "Description of specific occurrence of the problem",
  "instance": "urn:uuid:123e4567-e89b-12d3-a456-426614174000"
}