curl --request POST \
  --url https://api.interchange.io/api/v2/buyer/campaigns/{campaignId}/creative-collections/{collectionId}/attach \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "role": "creative_library",
  "sync_policy": "manual",
  "metadata": {}
}
'

import requests

url = "https://api.interchange.io/api/v2/buyer/campaigns/{campaignId}/creative-collections/{collectionId}/attach"

payload = {
    "role": "creative_library",
    "sync_policy": "manual",
    "metadata": {}
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({role: 'creative_library', sync_policy: 'manual', metadata: {}})
};

fetch('https://api.interchange.io/api/v2/buyer/campaigns/{campaignId}/creative-collections/{collectionId}/attach', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "collection": {
    "collection_id": "<string>",
    "name": "<string>",
    "member_count": 4503599627370495,
    "creative_count": 4503599627370495,
    "asset_count": 4503599627370495,
    "attached_campaign_count": 4503599627370495,
    "created_at": "2023-11-07T05:31:56Z",
    "updated_at": "2023-11-07T05:31:56Z",
    "campaign_id": "<string>",
    "advertiser_id": "<string>",
    "owner_scope": "advertiser",
    "description": "<string>",
    "metadata": {},
    "members": [
      {
        "member_type": "creative",
        "member_id": "<string>",
        "created_at": "2023-11-07T05:31:56Z",
        "updated_at": "2023-11-07T05:31:56Z",
        "label": "<string>",
        "metadata": {},
        "creative": {
          "creative_id": "<string>",
          "name": "<string>",
          "created_at": "2023-11-07T05:31:56Z",
          "updated_at": "2023-11-07T05:31:56Z",
          "asset_count": 3,
          "preview_revision": "<string>",
          "campaign_id": "<string>",
          "format_id": {
            "id": "<string>",
            "agent_url": "<string>",
            "width": 123,
            "height": 123,
            "duration_ms": 123
          },
          "format_kind": "<string>",
          "template_id": "<string>",
          "brand_domain": "<string>",
          "preview_url": "<string>",
          "requires_upgrade": true,
          "reuse_count": 4503599627370495,
          "creative_role": "evergreen",
          "creative_source": "uploaded",
          "platform_links": [
            {
              "agent_id": "<string>",
              "agent_name": "<string>",
              "status": "<string>",
              "platform_id": "<string>",
              "approval_status": "<string>",
              "synced_at": "2023-11-07T05:31:56Z"
            }
          ],
          "primary_asset_type": "IMAGE",
          "sync_status": {
            "synced": true,
            "agent_count": 0
          },
          "target_format_ids": [
            {
              "id": "<string>",
              "agent_url": "<string>",
              "width": 123,
              "height": 123,
              "duration_ms": 123
            }
          ],
          "placements": [
            {
              "placement_id": "<string>",
              "placement_name": "<string>"
            }
          ]
        }
      }
    ],
    "attachments": [
      {
        "campaign_id": "<string>",
        "collection_id": "<string>",
        "role": "creative_library",
        "sync_policy": "manual",
        "created_at": "2023-11-07T05:31:56Z",
        "updated_at": "2023-11-07T05:31:56Z",
        "metadata": {}
      }
    ]
  },
  "added_count": 4503599627370495,
  "removed_count": 4503599627370495,
  "attached": {
    "campaign_id": "<string>",
    "collection_id": "<string>",
    "role": "creative_library",
    "sync_policy": "manual",
    "created_at": "2023-11-07T05:31:56Z",
    "updated_at": "2023-11-07T05:31:56Z",
    "metadata": {}
  },
  "assigned_count": 4503599627370495,
  "legacy_members_excluded": 4503599627370495,
  "ownership_excluded": 4503599627370495
}

{
  "data": null,
  "error": {
    "code": "<string>",
    "message": "<string>",
    "field": "<string>",
    "details": {}
  }
}

{
  "data": null,
  "error": {
    "code": "<string>",
    "message": "<string>",
    "field": "<string>",
    "details": {}
  }
}

{
  "data": null,
  "error": {
    "code": "<string>",
    "message": "<string>",
    "field": "<string>",
    "details": {}
  }
}