curl -i -X POST \
  'https://api.mediamath.com/api/v3.0/campaigns/{campaign_id}' \
  -H 'Authorization: Bearer <YOUR_TOKEN_HERE>' \
  -H 'Content-Type: application/json' \
  -d '{
    "archived": false,
    "status": true,
    "name": "string",
    "service_type": "SELF",
    "io_name": "string",
    "io_reference_num": "string",
    "is_programmatic_guaranteed": true,
    "political": false,
    "source_campaign_id": 7,
    "zone_name": "string",
    "viewability": {
      "vendor_id": 34,
      "type": "AUTO_TAG",
      "sample_rate": 0
    },
    "identity": {
      "device_graph_only": false,
      "bid_min_devices": 1,
      "connected_id_type": "DETERMINISTIC_FIRST"
    },
    "ad_server": {
      "ad_server_id": 19,
      "ad_server_username": "string",
      "ad_server_password": "string",
      "use_default_ad_server": true,
      "ad_server_fee": 0
    },
    "pacing": {
      "pacing_alert": 0,
      "impression_cap_automatic": false,
      "impression_cap_amount": 11,
      "impression_cap_type": "even",
      "spend_cap_type": "even",
      "spend_cap_amount": 0,
      "spend_cap_automatic": true,
      "brain_intraday_pacing": false,
      "spend_pace_ahead": false,
      "impression_pace_ahead": false
    },
    "attribution": {
      "has_custom_attribution": false,
      "custom_attribution_source": "3rd Party Attribution",
      "pc_window_minutes": 5,
      "pv_window_minutes": 6,
      "pv_pct": 100,
      "merit_pixel_id": 17,
      "merit_pixels": [
        {
          "pixel_id": 1,
          "weight": 1,
          "funnel_position": 1
        }
      ],
      "conversion_type": "every",
      "conversion_variable_minutes": 1
    },
    "vendor_contracts": [
      {
        "vendor_id": 23,
        "use_mm_contract": true,
        "price": 0.1,
        "rate_card_type": "CPM"
      }
    ],
    "mfa_avoidance": "INHERIT",
    "targeting_identity_level": "INHERIT",
    "version": 4,
    "goals": {
      "goal_type": "spend",
      "goal_alert": 0,
      "goal_value": 0.0001,
      "goal_category": "audience"
    },
    "budget": {
      "total_budget": 0.1,
      "total_impression_budget": 18789,
      "currency_code": "USD",
      "margin_pct": 0,
      "dynamic_budget_allocation_type": "SBA_AUTO_ALLOCATION",
      "dynamic_budget_allocation_applied": "2019-08-24T14:15:22Z",
      "dynamic_budget_allocation_available": "2019-08-24T14:15:22Z",
      "flights": [
        {
          "id": 77,
          "start_date": "2019-08-24T14:15:22Z",
          "end_date": "2019-08-24T14:15:22Z",
          "total_budget": 0.1,
          "total_impression_budget": 12345
        }
      ]
    },
    "frequency": {
      "frequency_type": "even",
      "frequency_interval": "hour",
      "frequency_amount": 10,
      "use_mm_freq": false,
      "frequency_optimization": false
    },
    "inventory": {
      "ads_txt_verified": "ANY",
      "minimize_multi_ads": false,
      "override_suspicious_traffic_filter": false,
      "suspicious_traffic_filter_level": 25,
      "dcs_data_is_campaign_level": false,
      "restrict_targeting_to_deterministic_id": true,
      "restrict_targeting_to_same_device_id": true
    },
    "site_lists": [
      {
        "id": 23,
        "assigned": true
      }
    ],
    "custom_brain_selections": [
      {
        "selection_id": 45,
        "selection_type": "Audience Target"
      }
    ]
  }'