curl --request POST \
  --url https://api.interchange.io/api/v2/storefront/demand-inbox/{runId}/exchange/revisions/{revisionId}/submit \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "expectedSubmissionGeneration": 4503599627370495
}
'

import requests

url = "https://api.interchange.io/api/v2/storefront/demand-inbox/{runId}/exchange/revisions/{revisionId}/submit"

payload = { "expectedSubmissionGeneration": 4503599627370495 }
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({expectedSubmissionGeneration: 4503599627370495})
};

fetch('https://api.interchange.io/api/v2/storefront/demand-inbox/{runId}/exchange/revisions/{revisionId}/submit', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "id": "<string>",
  "exchangeId": "<string>",
  "overrides": {
    "posture": {},
    "pricing": {
      "priceAdjustmentBasisPoints": 45000,
      "floorCpm": {
        "amount": 1,
        "currency": "<string>"
      }
    },
    "rules": {
      "requiredBundleIds": [
        "<string>"
      ],
      "excludedBundleIds": [
        "<string>"
      ],
      "maxProducts": 50
    }
  },
  "composeError": {
    "code": "<string>",
    "message": "<string>"
  },
  "proposalPreview": "<unknown>",
  "proposalPreviewSnapshots": "<unknown>",
  "settlementCurrency": "<string>",
  "buyerStatedCurrencies": [
    "<string>"
  ],
  "composedByUserId": 0,
  "composedAt": "<string>",
  "approval": {
    "decidedByUserId": 0,
    "decidedAt": "<string>",
    "notes": "<string>"
  },
  "send": {},
  "sentProposalArtifactId": "<string>",
  "delivery": {
    "status": "not_delivered",
    "reason": "no_delivery_lane"
  },
  "canApprove": true,
  "canAmend": true,
  "canSubmit": true,
  "canDiscard": true,
  "submissionGeneration": 0,
  "amendCount": 0
}

{
  "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": {}
  }
}

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

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