curl --request POST \
  --url https://sg.sandbox.api.reap.global/users/{id}/application \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'Reap-Version: <reap-version>' \
  --data '
{
  "method": "MANAGED_KYC"
}
'

const options = {
  method: 'POST',
  headers: {
    'Reap-Version': '<reap-version>',
    Authorization: 'Bearer <token>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({method: 'MANAGED_KYC'})
};

fetch('https://sg.sandbox.api.reap.global/users/{id}/application', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://sg.sandbox.api.reap.global/users/{id}/application"

payload = { "method": "MANAGED_KYC" }
headers = {
    "Reap-Version": "<reap-version>",
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

{
  "status": "NOT_STARTED",
  "nextAction": {
    "type": "PROVIDER_SDK",
    "provider": "SUMSUB",
    "sdkToken": "_act-sbx-abc123-xyz789"
  },
  "provider": "sumsub",
  "sdkToken": "_act-sbx-abc123-xyz789"
}

{
  "error": {
    "code": "INVALID_APPLICATION_STATUS",
    "message": "<string>",
    "detail": {}
  }
}

{
  "error": {
    "code": "VERIFICATION_METHOD_NOT_ENABLED",
    "message": "<string>",
    "detail": {}
  }
}

{
  "error": {
    "code": "USER_NOT_FOUND",
    "message": "<string>",
    "detail": {}
  }
}

{
  "error": {
    "code": "USER_APPLICATION_FINALIZING",
    "message": "<string>",
    "detail": {}
  }
}

{
  "error": {
    "code": "SUMSUB_APPLICANT_NOT_APPROVED",
    "message": "<string>",
    "detail": {}
  }
}

{
  "error": {
    "code": "SERVICE_UNAVAILABLE",
    "message": "<string>",
    "detail": {}
  }
}