curl --request POST \
  --url https://production.hifi.com/v3/onramps/{onrampId}/cancel \
  --header 'Authorization: Bearer <token>'

import requests

url = "https://production.hifi.com/v3/onramps/{onrampId}/cancel"

headers = {"Authorization": "Bearer <token>"}

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

print(response.text)

const options = {method: 'POST', headers: {Authorization: 'Bearer <token>'}};

fetch('https://production.hifi.com/v3/onramps/{onrampId}/cancel', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://production.hifi.com/v3/onramps/{onrampId}/cancel",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

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

func main() {

	url := "https://production.hifi.com/v3/onramps/{onrampId}/cancel"

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

	req.Header.Add("Authorization", "Bearer <token>")

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://production.hifi.com/v3/onramps/{onrampId}/cancel")
  .header("Authorization", "Bearer <token>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://production.hifi.com/v3/onramps/{onrampId}/cancel")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'

response = http.request(request)
puts response.read_body

{
  "<<": {
    "id": "onramp_7bV1aLcs3Kf9dQ2mNpXwZ",
    "requestId": "b3d1f2a4-5c6e-7890-abcd-ef1234567890",
    "status": "AWAITING_FUNDS",
    "failedReason": null,
    "error": null,
    "errorDetails": null,
    "source": {
      "amount": 100,
      "currency": "USD",
      "userId": "usr_3Kf9dQ2mNpXwZ7bV1aLcs",
      "externalAccountId": null,
      "virtualAccountId": null,
      "depositInstructions": {
        "bankName": "Cross River Bank",
        "bankAddress": "2115 Linwood Ave, Fort Lee, NJ 07024",
        "beneficiary": {
          "name": "HIFI Bridge Inc",
          "address": "123 Main Street, New York, NY, 10001, USA"
        },
        "ach": {
          "routingNumber": "021000021",
          "accountNumber": "123456789"
        },
        "wire": {
          "routingNumber": "021000021",
          "accountNumber": "123456789"
        },
        "rtp": {
          "routingNumber": "021000021",
          "accountNumber": "123456789"
        },
        "reference": "HIFI-9A2B",
        "depositBy": "2026-07-02T10:30:00.000Z",
        "instruction": "Please deposit USD to the bank account provided. For USDT onramp, a minimum of $10 is required, or the funds will be returned."
      },
      "depositTracking": null
    },
    "destination": {
      "chain": "POLYGON",
      "amount": 100,
      "currency": "USDC",
      "userId": "usr_3Kf9dQ2mNpXwZ7bV1aLcs",
      "walletId": "wlt_1aLcs3Kf9dQ2mNpXwZ7bV",
      "externalWalletId": null,
      "walletAddress": "0x1234567890abcdef1234567890abcdef12345678"
    },
    "receipt": {
      "transactionHash": null
    },
    "settlement": null,
    "quote": {
      "sendGross": {
        "amount": "100.00",
        "currency": "USD"
      },
      "sendNet": {
        "amount": "100.00",
        "currency": "USD"
      },
      "railFee": {
        "amount": "0.00",
        "currency": "USDC"
      },
      "receiveGross": {
        "amount": "100.00",
        "currency": "USDC"
      },
      "receiveNet": {
        "amount": "100.00",
        "currency": "USDC"
      },
      "rate": "1.00",
      "conversionFee": {
        "amount": "0",
        "currency": "USDC",
        "description": "No conversion fee applicable",
        "timing": "N/A"
      },
      "expiresAt": "N/A"
    },
    "microDeposits": {
      "count": 0,
      "data": []
    },
    "sameDayAch": false,
    "description": "Monthly top-up",
    "createdAt": "2026-07-01T10:30:00.000Z",
    "updatedAt": "2026-07-01T10:30:00.000Z"
  },
  "status": "CANCELLED"
}

{
  "type": "VALIDATION_ERROR",
  "message": "One or more fields are invalid or missing.",
  "fields": [
    {
      "code": "invalid_value",
      "message": "Must be a valid email address",
      "field": "email"
    }
  ]
}

{
  "type": "UNAUTHORIZED",
  "message": "Authentication required"
}

{
  "type": "RESOURCE_NOT_FOUND",
  "message": "<string>",
  "fields": [
    {
      "code": "<string>",
      "message": "<string>",
      "field": "<string>"
    }
  ]
}

{
  "type": "RESOURCE_CONFLICT",
  "message": "Resource already exists or conflicts with current state"
}

{
  "type": "ACTION_NOT_ALLOWED",
  "message": "This action is not allowed"
}

{
  "type": "INTERNAL_SERVER_ERROR",
  "message": "An internal server error occurred"
}