curl --request POST \
  --url https://api.interchange.io/api/v2/storefront/test-campaigns/plan \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "sandbox": true,
  "sourceId": "<string>",
  "budget": 1,
  "sourceName": "<string>"
}
'

import requests

url = "https://api.interchange.io/api/v2/storefront/test-campaigns/plan"

payload = {
    "sandbox": True,
    "sourceId": "<string>",
    "budget": 1,
    "sourceName": "<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({sandbox: true, sourceId: '<string>', budget: 1, sourceName: '<string>'})
};

fetch('https://api.interchange.io/api/v2/storefront/test-campaigns/plan', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "confirmation": {
    "planToken": "<string>",
    "expiresAt": "2023-11-07T05:31:56Z",
    "missingInputs": [
      "<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": {}
  }
}