curl --request POST \
  --url https://sandbox-api.polygon.technology/v0.13/cash-ins/{cashInId}/cancel \
  --header 'Authorization: Bearer <token>' \
  --header 'Idempotency-Key: <idempotency-key>'

import requests

url = "https://sandbox-api.polygon.technology/v0.13/cash-ins/{cashInId}/cancel"

headers = {
    "Idempotency-Key": "<idempotency-key>",
    "Authorization": "Bearer <token>"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'Idempotency-Key': '<idempotency-key>', Authorization: 'Bearer <token>'}
};

fetch('https://sandbox-api.polygon.technology/v0.13/cash-ins/{cashInId}/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://sandbox-api.polygon.technology/v0.13/cash-ins/{cashInId}/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>",
    "Idempotency-Key: <idempotency-key>"
  ],
]);

$response = curl_exec($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://sandbox-api.polygon.technology/v0.13/cash-ins/{cashInId}/cancel"

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

	req.Header.Add("Idempotency-Key", "<idempotency-key>")
	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://sandbox-api.polygon.technology/v0.13/cash-ins/{cashInId}/cancel")
  .header("Idempotency-Key", "<idempotency-key>")
  .header("Authorization", "Bearer <token>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://sandbox-api.polygon.technology/v0.13/cash-ins/{cashInId}/cancel")

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

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

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

{
  "id": "ci_44vxe2xk8gfsjehfcw3npt5bg8",
  "status": "pending",
  "customer": {
    "id": "cst_vfa0nxw6zvyws9g237jrxn4y7k"
  },
  "source": {
    "type": "cash",
    "asset": "usd",
    "details": {
      "locationId": "loc_01H9Xd",
      "locationName": "CVS Pharmacy #4521",
      "locationAddress": {
        "line1": "123 Main St",
        "city": "San Francisco",
        "state": "CA",
        "zipCode": "94105",
        "country": "US"
      },
      "locationProvider": "greendot"
    }
  },
  "destination": {
    "type": "walletCrypto",
    "id": "wlt_5h4jzzpr9xre3bamd9ca7qyghn",
    "asset": "usdc",
    "network": "polygon",
    "details": {
      "address": "0x7b3a9f2c4d1ea8bf6390ce5d2b7fa104c8e3d9b1"
    }
  },
  "pricing": {
    "source": {
      "asset": "usd",
      "amount": "200.00"
    },
    "destination": {
      "asset": "usdc",
      "amount": "200.000000"
    },
    "fees": [],
    "exchangeRate": "1.0000",
    "fixedAmountSide": "source",
    "sponsorGas": true
  },
  "depositInstructions": {
    "cashInCode": "483 291"
  },
  "expiresAt": "2026-05-15T18:32:48Z",
  "createdAt": "2026-05-15T17:32:48Z",
  "updatedAt": "2026-05-15T17:32:48Z"
}

{
  "error": "Unauthorized",
  "code": 1000,
  "msg": "unauthorized access",
  "cause": "<string>"
}

{
  "error": "CashInNotFound",
  "code": 10113,
  "msg": "cash-in not found",
  "cause": "<string>"
}

{
  "error": "CashInAlreadyScanned",
  "code": 10390,
  "msg": "the cash-in's code was already scanned at the cash location",
  "cause": "<string>"
}

{
  "error": "ProjectMissingCoinmeID",
  "code": 10073,
  "msg": "project is not enrolled with a custodial wallet provider",
  "cause": "<string>"
}

{
  "error": "Internal",
  "code": 10124,
  "msg": "internal error",
  "cause": "<string>"
}

{
  "error": "ProviderRequestFailed",
  "code": 10375,
  "msg": "the provider could not complete the request",
  "cause": "<string>"
}

{
  "error": "ProviderTimeout",
  "code": 10021,
  "msg": "the provider's refresh service did not respond in time",
  "cause": "<string>"
}