curl --request POST \
  --url https://api.privy.io/v1/users/{user_id}/fiat/onramp \
  --header 'Authorization: Basic <encoded-value>' \
  --header 'Content-Type: application/json' \
  --header 'privy-app-id: <privy-app-id>' \
  --data '
{
  "amount": "100.00",
  "provider": "bridge-sandbox",
  "source": {
    "currency": "usd",
    "payment_rail": "ach_push"
  },
  "destination": {
    "currency": "usdc",
    "chain": "base",
    "to_address": "0x38Bc05d7b69F63D05337829fA5Dc4896F179B5fA"
  }
}
'

HttpResponse<String> response = Unirest.post("https://api.privy.io/v1/users/{user_id}/fiat/onramp")
  .header("privy-app-id", "<privy-app-id>")
  .header("Authorization", "Basic <encoded-value>")
  .header("Content-Type", "application/json")
  .body("{\n  \"amount\": \"100.00\",\n  \"provider\": \"bridge-sandbox\",\n  \"source\": {\n    \"currency\": \"usd\",\n    \"payment_rail\": \"ach_push\"\n  },\n  \"destination\": {\n    \"currency\": \"usdc\",\n    \"chain\": \"base\",\n    \"to_address\": \"0x38Bc05d7b69F63D05337829fA5Dc4896F179B5fA\"\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({
    amount: '100.00',
    provider: 'bridge-sandbox',
    source: {currency: 'usd', payment_rail: 'ach_push'},
    destination: {
      currency: 'usdc',
      chain: 'base',
      to_address: '0x38Bc05d7b69F63D05337829fA5Dc4896F179B5fA'
    }
  })
};

fetch('https://api.privy.io/v1/users/{user_id}/fiat/onramp', 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/onramp",
  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([
    'amount' => '100.00',
    'provider' => 'bridge-sandbox',
    'source' => [
        'currency' => 'usd',
        'payment_rail' => 'ach_push'
    ],
    'destination' => [
        'currency' => 'usdc',
        'chain' => 'base',
        'to_address' => '0x38Bc05d7b69F63D05337829fA5Dc4896F179B5fA'
    ]
  ]),
  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/onramp"

	payload := strings.NewReader("{\n  \"amount\": \"100.00\",\n  \"provider\": \"bridge-sandbox\",\n  \"source\": {\n    \"currency\": \"usd\",\n    \"payment_rail\": \"ach_push\"\n  },\n  \"destination\": {\n    \"currency\": \"usdc\",\n    \"chain\": \"base\",\n    \"to_address\": \"0x38Bc05d7b69F63D05337829fA5Dc4896F179B5fA\"\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": "3a61a69a-1f20-4113-85f5-997078166729",
  "status": "awaiting_funds",
  "deposit_instructions": {
    "payment_rail": "ach_push",
    "currency": "usd",
    "amount": "100.0",
    "deposit_message": "BRGFU2Z9TJPJXCS7ZZK2",
    "bank_account_number": "11223344556677",
    "bank_routing_number": "123456789",
    "bank_beneficiary_name": "Bridge Ventures Inc",
    "bank_beneficiary_address": "1234 Elm St, Springfield, IL 12345",
    "bank_name": "Bank of Nowhere",
    "bank_address": "1800 North Pole St., Orlando, FL 32801"
  }
}