curl --request POST \
  --url https://api.interchange.io/api/v2/buyer/advertisers/{accountId}/audiences/sync \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "audiences": [
    {
      "audienceId": "<string>",
      "name": "<string>",
      "add": [
        {
          "externalId": "<string>",
          "hashedEmail": "a1b2c3d4e5f6...",
          "hashedPhone": "f6e5d4c3b2a1...",
          "uids": [
            {
              "type": "<string>",
              "value": "<string>"
            }
          ]
        }
      ],
      "remove": [
        {
          "externalId": "<string>",
          "hashedEmail": "a1b2c3d4e5f6...",
          "hashedPhone": "f6e5d4c3b2a1...",
          "uids": [
            {
              "type": "<string>",
              "value": "<string>"
            }
          ]
        }
      ],
      "delete": true
    }
  ]
}
'

import requests

url = "https://api.interchange.io/api/v2/buyer/advertisers/{accountId}/audiences/sync"

payload = { "audiences": [
        {
            "audienceId": "<string>",
            "name": "<string>",
            "add": [
                {
                    "externalId": "<string>",
                    "hashedEmail": "a1b2c3d4e5f6...",
                    "hashedPhone": "f6e5d4c3b2a1...",
                    "uids": [
                        {
                            "type": "<string>",
                            "value": "<string>"
                        }
                    ]
                }
            ],
            "remove": [
                {
                    "externalId": "<string>",
                    "hashedEmail": "a1b2c3d4e5f6...",
                    "hashedPhone": "f6e5d4c3b2a1...",
                    "uids": [
                        {
                            "type": "<string>",
                            "value": "<string>"
                        }
                    ]
                }
            ],
            "delete": True
        }
    ] }
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({
    audiences: [
      {
        audienceId: '<string>',
        name: '<string>',
        add: [
          {
            externalId: '<string>',
            hashedEmail: 'a1b2c3d4e5f6...',
            hashedPhone: 'f6e5d4c3b2a1...',
            uids: [{type: '<string>', value: '<string>'}]
          }
        ],
        remove: [
          {
            externalId: '<string>',
            hashedEmail: 'a1b2c3d4e5f6...',
            hashedPhone: 'f6e5d4c3b2a1...',
            uids: [{type: '<string>', value: '<string>'}]
          }
        ],
        delete: true
      }
    ]
  })
};

fetch('https://api.interchange.io/api/v2/buyer/advertisers/{accountId}/audiences/sync', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "success": true,
  "accountId": "25",
  "operationId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "taskId": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
}

{
  "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": {}
  }
}