curl --request POST \
  --url https://origami.chat/api/v2/campaigns/{campaignId}/pause \
  --header 'Authorization: Bearer <token>'

{
  "object": "<string>",
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "launched": 123,
  "launch": {
    "scheduled": 123,
    "firstScheduledAt": "2023-11-07T05:31:56Z",
    "missingRecipientCount": 123,
    "duplicateActiveCancelledCount": 123,
    "duplicatePriorCancelledCount": 123,
    "blocked": {
      "reason": "<string>",
      "message": "<string>",
      "missingChannels": [
        "<string>"
      ]
    }
  },
  "pause": {
    "stoppedSequences": 123,
    "haltedSteps": 123,
    "inFlightSending": 123,
    "alreadyPaused": true
  },
  "resume": {
    "resumedSequences": 123,
    "noAccountSequences": 123,
    "missingChannels": [
      "<string>"
    ]
  }
}