curl --request POST \
  --url https://api.privy.io/v1/wallets/{wallet_id}/swap \
  --header 'Authorization: Basic <encoded-value>' \
  --header 'Content-Type: application/json' \
  --header 'privy-app-id: <privy-app-id>' \
  --data '
{
  "base_amount": "1000000000000000000",
  "amount_type": "exact_input",
  "source": {
    "asset_address": "native",
    "caip2": "eip155:1"
  },
  "destination": {
    "asset_address": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",
    "caip2": "eip155:1"
  },
  "slippage_bps": 50
}
'

HttpResponse<String> response = Unirest.post("https://api.privy.io/v1/wallets/{wallet_id}/swap")
  .header("privy-app-id", "<privy-app-id>")
  .header("Authorization", "Basic <encoded-value>")
  .header("Content-Type", "application/json")
  .body("{\n  \"base_amount\": \"1000000000000000000\",\n  \"amount_type\": \"exact_input\",\n  \"source\": {\n    \"asset_address\": \"native\",\n    \"caip2\": \"eip155:1\"\n  },\n  \"destination\": {\n    \"asset_address\": \"0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48\",\n    \"caip2\": \"eip155:1\"\n  },\n  \"slippage_bps\": 50\n}")
  .asString();

const options = {
  method: 'POST',
  headers: {
    'privy-app-id': '<privy-app-id>',
    Authorization: 'Basic <encoded-value>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    base_amount: '1000000000000000000',
    amount_type: 'exact_input',
    source: {asset_address: 'native', caip2: 'eip155:1'},
    destination: {asset_address: '0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48', caip2: 'eip155:1'},
    slippage_bps: 50
  })
};

fetch('https://api.privy.io/v1/wallets/{wallet_id}/swap', 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/wallets/{wallet_id}/swap",
  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([
    'base_amount' => '1000000000000000000',
    'amount_type' => 'exact_input',
    'source' => [
        'asset_address' => 'native',
        'caip2' => 'eip155:1'
    ],
    'destination' => [
        'asset_address' => '0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48',
        'caip2' => 'eip155:1'
    ],
    'slippage_bps' => 50
  ]),
  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/wallets/{wallet_id}/swap"

	payload := strings.NewReader("{\n  \"base_amount\": \"1000000000000000000\",\n  \"amount_type\": \"exact_input\",\n  \"source\": {\n    \"asset_address\": \"native\",\n    \"caip2\": \"eip155:1\"\n  },\n  \"destination\": {\n    \"asset_address\": \"0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48\",\n    \"caip2\": \"eip155:1\"\n  },\n  \"slippage_bps\": 50\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": "cm7oxq1el000e11o8iwp7d0d0",
  "status": "pending",
  "wallet_id": "fmfdj6yqly31huorjqzq38zc",
  "caip2": "eip155:1",
  "input_token": "native",
  "output_token": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",
  "input_amount": "1000000000000000000"
}