curl --request POST \
  --url https://api.decodahealth.com/v1/charge/adjust \
  --header 'API-KEY: <api-key>' \
  --header 'Content-Type: application/json' \
  --header 'TENANT: <tenant>' \
  --data '{
  "amount": 123,
  "chargeId": "<string>",
  "providerId": "<string>",
  "reason": "<string>"
}'

{
  "adjustmentType": "WRITE_OFF",
  "amount": 123,
  "chargeId": "<string>",
  "createdDate": "2023-11-07T05:31:56Z",
  "id": "<string>",
  "providerId": "<string>",
  "reason": "<string>"
}