curl --request POST \
  --url https://b2b-api-sandbox.easyonramp.com/api/v1/cards/transactions/{transactionId}/dispute \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "disputeType": "fraud",
  "disputeReasonCode": "otherFraudCardAbsent",
  "textEvidence": "<string>"
}
'

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    disputeType: 'fraud',
    disputeReasonCode: 'otherFraudCardAbsent',
    textEvidence: '<string>'
  })
};

fetch('https://b2b-api-sandbox.easyonramp.com/api/v1/cards/transactions/{transactionId}/dispute', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://b2b-api-sandbox.easyonramp.com/api/v1/cards/transactions/{transactionId}/dispute"

payload = {
    "disputeType": "fraud",
    "disputeReasonCode": "otherFraudCardAbsent",
    "textEvidence": "<string>"
}
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://b2b-api-sandbox.easyonramp.com/api/v1/cards/transactions/{transactionId}/dispute"

	payload := strings.NewReader("{\n  \"disputeType\": \"fraud\",\n  \"disputeReasonCode\": \"otherFraudCardAbsent\",\n  \"textEvidence\": \"<string>\"\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))

}

{
  "id": "880e8400-e29b-41d4-a716-446655440099",
  "transactionId": "770e8400-e29b-41d4-a716-446655440011",
  "status": "pending",
  "disputeAmount": 123,
  "createdAt": "<string>",
  "reviewedBy": "rain",
  "disputeType": "fraud",
  "disputeReasonCode": "emvLiabilityShiftCounterfeitFraud",
  "textEvidence": "<string>",
  "currency": "<string>",
  "updatedAt": "<string>",
  "resolvedAt": "<string>",
  "filedWithNetworkAt": "<string>",
  "hasFileEvidence": true,
  "attachmentCount": 1
}