curl --request POST \
  --url https://api.interchange.io/api/v2/storefront/inventory-sources/{sourceId}/modular/avails-feed/upload \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: multipart/form-data' \
  --form file='@example-file'

import requests

url = "https://api.interchange.io/api/v2/storefront/inventory-sources/{sourceId}/modular/avails-feed/upload"

files = { "file": ("example-file", open("example-file", "rb")) }
headers = {"Authorization": "Bearer <token>"}

response = requests.post(url, files=files, headers=headers)

print(response.text)

const form = new FormData();
form.append('file', '<string>');

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

options.body = form;

fetch('https://api.interchange.io/api/v2/storefront/inventory-sources/{sourceId}/modular/avails-feed/upload', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "previewOnly": true,
  "inputSource": "<string>",
  "parsedAvailCount": 4503599627370495,
  "rejectedRowCount": 4503599627370495,
  "warningCount": 4503599627370495,
  "avails": [
    {
      "collectionId": "<string>",
      "collectionName": "<string>",
      "formatOptions": [
        {
          "format_kind": "image",
          "params": {},
          "format_option_id": "<string>",
          "publisher_domain": "<string>"
        }
      ],
      "publisherProperties": [
        {
          "selection_type": "all",
          "publisher_domain": "<string>",
          "publisher_domains": [
            "<string>"
          ]
        }
      ],
      "availId": "<string>",
      "name": "<string>",
      "startTime": "2023-11-07T05:31:56Z",
      "endTime": "2023-11-07T05:31:56Z",
      "impressionsCapacity": 4503599627370495,
      "collectionDescription": "<string>",
      "channel": "<string>",
      "upstreamBookedImpressions": 4503599627370495,
      "cpm": 1,
      "currency": "<string>",
      "targeting": {},
      "sourceMetadata": {}
    }
  ],
  "rejectedRows": [
    {
      "rowNumber": 4503599627370495,
      "rawRow": {},
      "diagnostics": [
        {
          "rowNumber": 4503599627370495,
          "code": "REQUIRED_FIELD_MISSING",
          "message": "<string>",
          "field": "<string>"
        }
      ]
    }
  ],
  "warnings": [
    {
      "rowNumber": 4503599627370495,
      "code": "REQUIRED_FIELD_MISSING",
      "message": "<string>",
      "field": "<string>"
    }
  ],
  "note": "<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": {}
  }
}