curl --request POST \
  --url https://api.spacebring.com/contracts/v1 \
  --header 'Authorization: Basic <encoded-value>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "contract": {
    "customerRef": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "expirationDate": "2023-11-07T05:31:56Z",
    "signers": [
      {
        "email": "<string>",
        "name": "<string>",
        "phoneNumber": "<string>",
        "surname": "<string>"
      }
    ],
    "templateRef": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "actionable": false,
    "endDate": "2023-11-07T05:31:56Z",
    "items": [
      {
        "quantity": 2,
        "title": "<string>",
        "couponRef": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
        "oneOff": true,
        "optionRef": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
        "planRef": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
        "price": 123,
        "productRef": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
        "resourceRef": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
        "tierRef": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
      }
    ],
    "startDate": "2023-11-07T05:31:56Z"
  }
}
'

{
  "contract": {
    "actionable": true,
    "createDate": "2023-11-07T05:31:56Z",
    "customer": {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "company": {
        "title": "<string>",
        "logo": {
          "key": "<string>",
          "url": "<string>"
        },
        "publicLogoUrl": "<string>"
      },
      "user": {
        "email": "<string>",
        "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
        "name": "<string>",
        "photoUrl": "<string>",
        "about": "<string>",
        "phoneNumber": "<string>",
        "surname": "<string>"
      }
    },
    "customerRef": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "expirationDate": "2023-11-07T05:31:56Z",
    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "locationRef": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "signers": [
      {
        "email": "<string>",
        "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
        "name": "<string>",
        "declinedDate": "2023-11-07T05:31:56Z",
        "order": 123,
        "phoneNumber": "<string>",
        "signedDate": "2023-11-07T05:31:56Z",
        "status": "<string>",
        "surname": "<string>"
      }
    ],
    "templateRef": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "title": "<string>",
    "endDate": "2023-11-07T05:31:56Z",
    "issueDate": "2023-11-07T05:31:56Z",
    "items": [
      {
        "quantity": 123,
        "title": "<string>",
        "couponRef": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
        "entire": true,
        "optionRef": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
        "period": "<string>",
        "planRef": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
        "price": 123,
        "productRef": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
        "resourceRef": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
        "tierRef": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
      }
    ],
    "signedDocument": {
      "key": "<string>",
      "url": "<string>"
    },
    "startDate": "2023-11-07T05:31:56Z",
    "terminationDate": "2023-11-07T05:31:56Z",
    "terminationReason": "<string>",
    "unsignedDocument": {
      "key": "<string>",
      "url": "<string>"
    }
  }
}