curl --request POST \
  --url https://api.interchange.io/api/v2/storefront/storefronts/{storefrontId}/demand-signals/{signalId}/respond \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "kind": "QUOTE",
  "payload": {
    "proposedCpm": 1,
    "currency": "<string>",
    "products": [
      {
        "productId": "<string>",
        "name": "<string>",
        "estimatedImpressions": 4503599627370495
      }
    ],
    "notes": "<string>"
  }
}
'

import requests

url = "https://api.interchange.io/api/v2/storefront/storefronts/{storefrontId}/demand-signals/{signalId}/respond"

payload = {
    "kind": "QUOTE",
    "payload": {
        "proposedCpm": 1,
        "currency": "<string>",
        "products": [
            {
                "productId": "<string>",
                "name": "<string>",
                "estimatedImpressions": 4503599627370495
            }
        ],
        "notes": "<string>"
    }
}
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({
    kind: 'QUOTE',
    payload: {
      proposedCpm: 1,
      currency: '<string>',
      products: [
        {
          productId: '<string>',
          name: '<string>',
          estimatedImpressions: 4503599627370495
        }
      ],
      notes: '<string>'
    }
  })
};

fetch('https://api.interchange.io/api/v2/storefront/storefronts/{storefrontId}/demand-signals/{signalId}/respond', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "id": "<string>",
  "demandSignalId": "<string>",
  "demandSignalTargetId": "<string>",
  "sellerCustomerId": 0,
  "storefrontId": "<string>",
  "payload": {},
  "matchScore": 50,
  "actorUserId": 0,
  "createdAt": "<string>",
  "proposalCode": "<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": {}
  }
}

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