curl --request PATCH \
  --url http://localhost:3500/v1/claims/{id}/refunds/{refund_id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "amount": "<string>",
  "currency_code": "<string>",
  "comment": "<string>",
  "credit_note_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
}
'

const options = {
  method: 'PATCH',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    amount: '<string>',
    currency_code: '<string>',
    comment: '<string>',
    credit_note_id: '3c90c3cc-0d44-4b50-8888-8dd25736052a'
  })
};

fetch('http://localhost:3500/v1/claims/{id}/refunds/{refund_id}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "http://localhost:3500/v1/claims/{id}/refunds/{refund_id}"

payload = {
    "amount": "<string>",
    "currency_code": "<string>",
    "comment": "<string>",
    "credit_note_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

{
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "amount": "<string>",
  "currency_code": "<string>",
  "comment": "<string>",
  "credit_note_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "created_by_user_id": "<string>",
  "created_at": "2023-11-07T05:31:56Z",
  "updated_at": "2023-11-07T05:31:56Z"
}

{
  "error": {
    "code": "validation_error",
    "message": "Invalid request format, parameters, or body. Details contain up to 20 actionable field errors; the complete encoded request body must be at most 2 MiB (2,097,152 bytes).",
    "request_id": "req_example"
  }
}

{
  "error": {
    "code": "invalid_token",
    "message": "Missing or invalid bearer credential.",
    "request_id": "req_example"
  }
}

{
  "error": {
    "code": "forbidden",
    "message": "Access denied: forbidden, token_disabled, organization_required, insufficient_role, or mfa_required. Check the error code and effective permissions.",
    "request_id": "req_example"
  }
}

{
  "error": {
    "code": "not_found",
    "message": "The resource does not exist in the current organization.",
    "request_id": "req_example"
  }
}

{
  "error": {
    "code": "conflict",
    "message": "The refund or credit-note relationship conflicts with the current state.",
    "request_id": "req_example"
  }
}

{
  "error": {
    "code": "precondition_failed",
    "message": "The resource changed. Fetch it again before retrying.",
    "request_id": "req_example"
  }
}

{
  "error": {
    "code": "rate_limit_exceeded",
    "message": "The IP or authenticated credential exceeded its request limit.",
    "request_id": "req_example"
  }
}

{
  "error": {
    "code": "internal_error",
    "message": "Unexpected server failure. Include the request ID when contacting support.",
    "request_id": "req_example"
  }
}

{
  "error": {
    "code": "service_unavailable",
    "message": "Authentication infrastructure is unavailable or rate limited. Honor Retry-After when provided.",
    "request_id": "req_example"
  }
}