curl --request POST \
  --url https://east.sandbox.spade.com/merchants/match \
  --header 'Content-Type: application/json' \
  --header 'X-Api-Key: <api-key>' \
  --data '
{
  "merchantName": "<string>",
  "address": "<string>",
  "city": "<string>",
  "region": "<string>",
  "country": "<string>",
  "postalCode": "<string>",
  "requestId": "<string>",
  "latitude": 123,
  "longitude": 123,
  "website": "<string>",
  "customAttributes": {}
}
'

{
  "requestId": "<string>",
  "counterparty": {
    "id": "<string>",
    "name": "<string>",
    "similarity": 123
  },
  "location": {
    "id": "<string>",
    "name": "<string>",
    "address": "<string>",
    "city": "<string>",
    "similarity": 123
  },
  "customAttributes": {}
}