curl --request POST \
  --url https://api.sortx.co.uk/contacts/duplicate-check \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "name": "<string>",
  "kind": "<string>",
  "email": "<string>",
  "mobile": "<string>",
  "addressPostcode": "<string>",
  "registrationNumber": "<string>"
}
'

const options = {
  method: 'POST',
  headers: {'x-api-key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    name: '<string>',
    kind: '<string>',
    email: '<string>',
    mobile: '<string>',
    addressPostcode: '<string>',
    registrationNumber: '<string>'
  })
};

fetch('https://api.sortx.co.uk/contacts/duplicate-check', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.sortx.co.uk/contacts/duplicate-check"

payload = {
    "name": "<string>",
    "kind": "<string>",
    "email": "<string>",
    "mobile": "<string>",
    "addressPostcode": "<string>",
    "registrationNumber": "<string>"
}
headers = {
    "x-api-key": "<api-key>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

{
  "candidates": [
    {
      "contact": {
        "id": "<string>",
        "kind": "<string>",
        "name": "<string>",
        "email": "<string>",
        "mobile": "<string>",
        "addressPostcode": "<string>",
        "roles": [
          "<string>"
        ],
        "archivedAt": "<string>"
      },
      "matchedOn": [
        "email"
      ],
      "exact": true,
      "conflicting": [
        "<string>"
      ]
    }
  ],
  "totalMatched": 123,
  "truncated": true
}

{
  "_tag": "TenantCreateRejected",
  "reason": "<string>",
  "field": "<string>"
}

{
  "_tag": "Unauthenticated"
}

{
  "_tag": "TenantSuspended",
  "tenantId": "<string>",
  "reason": "<string>"
}

{
  "_tag": "EntitlementMissing",
  "tenantId": "<string>",
  "moduleId": "<string>"
}

{
  "_tag": "TenantNotFound",
  "slug": "<string>"
}

{
  "_tag": "WebhookDuplicate",
  "integration": "<string>",
  "externalId": "<string>"
}

{
  "_tag": "RateLimited",
  "key": "<string>",
  "retryAfterSeconds": 123,
  "message": "<string>"
}

{
  "_tag": "IntegrationUnavailable",
  "integration": "<string>",
  "detail": "<string>"
}