curl --request POST \
  --url https://api.interchange.io/api/v2/buyer/media-buys/batch \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "productQueryId": "<string>",
  "campaign": {
    "campaignId": "<string>"
  },
  "selections": [
    {
      "kind": "proposal",
      "proposalId": "sfp1:42:cHJvcG9zYWwtNw",
      "totalBudget": 1
    }
  ]
}
'

import requests

url = "https://api.interchange.io/api/v2/buyer/media-buys/batch"

payload = {
    "productQueryId": "<string>",
    "campaign": { "campaignId": "<string>" },
    "selections": [
        {
            "kind": "proposal",
            "proposalId": "sfp1:42:cHJvcG9zYWwtNw",
            "totalBudget": 1
        }
    ]
}
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({
    productQueryId: '<string>',
    campaign: {campaignId: '<string>'},
    selections: [{kind: 'proposal', proposalId: 'sfp1:42:cHJvcG9zYWwtNw', totalBudget: 1}]
  })
};

fetch('https://api.interchange.io/api/v2/buyer/media-buys/batch', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "productQueryId": "<string>",
  "campaignId": "<string>",
  "campaignCreated": true,
  "campaignStatus": "<string>",
  "queryProductsSelected": 4503599627370495,
  "proposalsApplied": 4503599627370495,
  "mediaBuysStaged": 4503599627370495,
  "mediaBuysExecuted": 4503599627370495,
  "mediaBuyRefs": [
    {
      "mediaBuyId": "<string>",
      "status": "<string>",
      "pendingChange": {
        "status": "<string>"
      }
    }
  ],
  "mediaBuyRefsTruncated": true,
  "success": true,
  "noOp": true,
  "errors": [
    {
      "mediaBuyId": "<string>",
      "salesAgentId": "<string>",
      "message": "<string>",
      "debug": "<unknown>"
    }
  ],
  "warnings": [
    "<string>"
  ]
}

{
  "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": {}
  }
}