curl --request POST \
  --url https://api.privy.io/v1/users/{user_id}/fiat/offramp \
  --header 'Authorization: Basic <encoded-value>' \
  --header 'Content-Type: application/json' \
  --header 'privy-app-id: <privy-app-id>' \
  --data '
{
  "provider": "bridge-sandbox",
  "amount": "100.00",
  "source": {
    "currency": "usdc",
    "chain": "base",
    "from_address": "0xc24272abc794b973b896715db40a72714a030323"
  },
  "destination": {
    "currency": "usd",
    "payment_rail": "ach_push",
    "external_account_id": "a068d2dd-743a-4011-9b62-8ad33cc7a7be"
  }
}
'

HttpResponse<String> response = Unirest.post("https://api.privy.io/v1/users/{user_id}/fiat/offramp")
  .header("privy-app-id", "<privy-app-id>")
  .header("Authorization", "Basic <encoded-value>")
  .header("Content-Type", "application/json")
  .body("{\n  \"provider\": \"bridge-sandbox\",\n  \"amount\": \"100.00\",\n  \"source\": {\n    \"currency\": \"usdc\",\n    \"chain\": \"base\",\n    \"from_address\": \"0xc24272abc794b973b896715db40a72714a030323\"\n  },\n  \"destination\": {\n    \"currency\": \"usd\",\n    \"payment_rail\": \"ach_push\",\n    \"external_account_id\": \"a068d2dd-743a-4011-9b62-8ad33cc7a7be\"\n  }\n}")
  .asString();

const options = {
  method: 'POST',
  headers: {
    'privy-app-id': '<privy-app-id>',
    Authorization: 'Basic <encoded-value>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    provider: 'bridge-sandbox',
    amount: '100.00',
    source: {
      currency: 'usdc',
      chain: 'base',
      from_address: '0xc24272abc794b973b896715db40a72714a030323'
    },
    destination: {
      currency: 'usd',
      payment_rail: 'ach_push',
      external_account_id: 'a068d2dd-743a-4011-9b62-8ad33cc7a7be'
    }
  })
};

fetch('https://api.privy.io/v1/users/{user_id}/fiat/offramp', 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://api.privy.io/v1/users/{user_id}/fiat/offramp",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'provider' => 'bridge-sandbox',
    'amount' => '100.00',
    'source' => [
        'currency' => 'usdc',
        'chain' => 'base',
        'from_address' => '0xc24272abc794b973b896715db40a72714a030323'
    ],
    'destination' => [
        'currency' => 'usd',
        'payment_rail' => 'ach_push',
        'external_account_id' => 'a068d2dd-743a-4011-9b62-8ad33cc7a7be'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Basic <encoded-value>",
    "Content-Type: application/json",
    "privy-app-id: <privy-app-id>"
  ],
]);

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

curl_close($curl);

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

package main

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

func main() {

	url := "https://api.privy.io/v1/users/{user_id}/fiat/offramp"

	payload := strings.NewReader("{\n  \"provider\": \"bridge-sandbox\",\n  \"amount\": \"100.00\",\n  \"source\": {\n    \"currency\": \"usdc\",\n    \"chain\": \"base\",\n    \"from_address\": \"0xc24272abc794b973b896715db40a72714a030323\"\n  },\n  \"destination\": {\n    \"currency\": \"usd\",\n    \"payment_rail\": \"ach_push\",\n    \"external_account_id\": \"a068d2dd-743a-4011-9b62-8ad33cc7a7be\"\n  }\n}")

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

	req.Header.Add("privy-app-id", "<privy-app-id>")
	req.Header.Add("Authorization", "Basic <encoded-value>")
	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": "d220bcf7-4ad5-4687-8a61-e51c5875225e",
  "status": "awaiting_funds",
  "deposit_instructions": {
    "amount": "100.0",
    "currency": "usdc",
    "to_address": "0xdeadbeef2usdcbase",
    "from_address": "0xc24272abc794b973b896715db40a72714a030323",
    "chain": "base"
  }
}