curl --request GET \
  --url https://api.sendrealm.com/campaigns/{id}/audience-preview \
  --header 'Authorization: Bearer <token>'

const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};

fetch('https://api.sendrealm.com/campaigns/{id}/audience-preview', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.sendrealm.com/campaigns/{id}/audience-preview"

headers = {"Authorization": "Bearer <token>"}

response = requests.get(url, headers=headers)

print(response.text)

{
  "data": {
    "status": "ready",
    "exact": true,
    "calculated_at": "2023-11-07T05:31:56Z",
    "targeting": {
      "version": 1,
      "base": {
        "type": "all_contacts"
      },
      "excluded_audience_ids": [
        "3c90c3cc-0d44-4b50-8888-8dd25736052a"
      ],
      "contact_rules": {
        "kind": "group",
        "operator": "and",
        "children": "<array>"
      },
      "push_rules": {
        "kind": "group",
        "operator": "and",
        "children": "<array>"
      }
    },
    "effective_targeting": {
      "version": 1,
      "base": {
        "type": "all_contacts"
      },
      "excluded_audience_ids": [
        "3c90c3cc-0d44-4b50-8888-8dd25736052a"
      ],
      "contact_rules": {
        "kind": "group",
        "operator": "and",
        "children": "<array>"
      },
      "push_rules": {
        "kind": "group",
        "operator": "and",
        "children": "<array>"
      }
    },
    "matched_contacts": 123,
    "matched_devices": 123,
    "reachable_email_contacts": 123,
    "reachable_push_contacts": 123,
    "reachable_push_devices": 123,
    "by_platform": [
      {
        "platform": "<string>",
        "devices": 123
      }
    ]
  },
  "status": 123,
  "metadata": {
    "total": 123,
    "items": 123,
    "limit": 123,
    "after": "<string>",
    "next": "<string>",
    "has_more": true
  }
}

{
  "status": 123,
  "error": {
    "code": "<string>",
    "message": "<string>",
    "details": "<string>",
    "issues": [
      {
        "code": "<string>",
        "path": "<string>",
        "message": "<string>"
      }
    ]
  }
}

{
  "status": 123,
  "error": {
    "code": "<string>",
    "message": "<string>",
    "details": "<string>",
    "issues": [
      {
        "code": "<string>",
        "path": "<string>",
        "message": "<string>"
      }
    ]
  }
}

{
  "status": 123,
  "error": {
    "code": "<string>",
    "message": "<string>",
    "details": "<string>",
    "issues": [
      {
        "code": "<string>",
        "path": "<string>",
        "message": "<string>"
      }
    ]
  }
}