curl --request POST \
  --url https://api.bachs.io/v1/refunds \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "charge_id": "ch_9f4c1d2e7b6a4f8e9c0d1a2b3c4d5e6f",
  "reference": "RF-20260713-0042",
  "amount": "29.00",
  "fee_bearer": "org",
  "reason": "Customer requested cancellation",
  "idempotency_key": "RF-20260713-0042"
}
'

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    charge_id: 'ch_9f4c1d2e7b6a4f8e9c0d1a2b3c4d5e6f',
    reference: 'RF-20260713-0042',
    amount: '29.00',
    fee_bearer: 'org',
    reason: 'Customer requested cancellation',
    idempotency_key: 'RF-20260713-0042'
  })
};

fetch('https://api.bachs.io/v1/refunds', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.bachs.io/v1/refunds"

payload = {
    "charge_id": "ch_9f4c1d2e7b6a4f8e9c0d1a2b3c4d5e6f",
    "reference": "RF-20260713-0042",
    "amount": "29.00",
    "fee_bearer": "org",
    "reason": "Customer requested cancellation",
    "idempotency_key": "RF-20260713-0042"
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.bachs.io/v1/refunds"

	payload := strings.NewReader("{\n  \"charge_id\": \"ch_9f4c1d2e7b6a4f8e9c0d1a2b3c4d5e6f\",\n  \"reference\": \"RF-20260713-0042\",\n  \"amount\": \"29.00\",\n  \"fee_bearer\": \"org\",\n  \"reason\": \"Customer requested cancellation\",\n  \"idempotency_key\": \"RF-20260713-0042\"\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

{
  "refund_id": "b7f2c41a-9d38-4e6b-8c15-2a7d0e934f61",
  "charge_id": "ch_9f4c1d2e7b6a4f8e9c0d1a2b3c4d5e6f",
  "reference": "RF-20260713-0042",
  "status": "processing",
  "requested_amount": "29.00",
  "refunded_amount": null,
  "refund_fee_amount": "0.00",
  "fee_bearer": "org",
  "reason": "Customer requested cancellation",
  "created_at": "2026-07-13T14:20:00.000Z",
  "updated_at": "2026-07-13T14:20:00.000Z",
  "completed_at": null
}

{
  "detail": "Invalid request parameters",
  "error_code": "VALIDATION_ERROR",
  "errors": [
    {
      "field": "amount",
      "message": "Amount must be a positive decimal string",
      "type": "value_error"
    }
  ]
}

{
  "detail": "Invalid API key",
  "error_code": "UNAUTHORIZED"
}

{
  "detail": "API key does not have permission for this operation",
  "error_code": "FORBIDDEN"
}

{
  "detail": "Resource not found",
  "error_code": "NOT_FOUND"
}

{
  "detail": "Duplicate request detected",
  "error_code": "CONFLICT"
}

{
  "detail": "Rate limit exceeded. Please retry after a few seconds.",
  "error_code": "TOO_MANY_REQUESTS"
}

{
  "detail": "An unexpected error occurred. Please try again later.",
  "error_code": "INTERNAL_SERVER_ERROR"
}