curl --request POST \
  --url https://{region}.affinda.com/v3/mappings \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "dataSource": "mewERBRJJ",
  "scoreCutoff": 10,
  "organization": "mewlkWEKL",
  "orderBy": "label"
}
'

import requests

url = "https://{region}.affinda.com/v3/mappings"

payload = {
    "dataSource": "mewERBRJJ",
    "scoreCutoff": 10,
    "organization": "mewlkWEKL",
    "orderBy": "label"
}
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({
    dataSource: 'mewERBRJJ',
    scoreCutoff: 10,
    organization: 'mewlkWEKL',
    orderBy: 'label'
  })
};

fetch('https://{region}.affinda.com/v3/mappings', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "identifier": "mEFayXdO",
  "dataSource": "mewERBRJJ",
  "organization": "mewlkWEKL",
  "scoreCutoff": 10,
  "orderBy": "label"
}

{
  "type": "validation_error",
  "errors": [
    {
      "attr": "non_field_errors",
      "code": "unique",
      "detail": "This index name has already been used"
    }
  ]
}

{
  "type": "validation_error",
  "errors": [
    {
      "attr": "non_field_errors",
      "code": "unique",
      "detail": "This index name has already been used"
    }
  ]
}

{
  "type": "validation_error",
  "errors": [
    {
      "attr": "non_field_errors",
      "code": "unique",
      "detail": "This index name has already been used"
    }
  ]
}