curl --request POST \
  --url https://api.circle.com/v1/exchange/stablefx/quotes \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "from": {
    "amount": "100.00"
  },
  "to": {
    "amount": "100.00"
  },
  "type": "tradable",
  "recipientAddress": "0x1234567890abcdef1234567890abcdef12345678"
}
'

import requests

url = "https://api.circle.com/v1/exchange/stablefx/quotes"

payload = {
    "from": { "amount": "100.00" },
    "to": { "amount": "100.00" },
    "type": "tradable",
    "recipientAddress": "0x1234567890abcdef1234567890abcdef12345678"
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    from: {amount: '100.00'},
    to: {amount: '100.00'},
    type: 'tradable',
    recipientAddress: '0x1234567890abcdef1234567890abcdef12345678'
  })
};

fetch('https://api.circle.com/v1/exchange/stablefx/quotes', 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.circle.com/v1/exchange/stablefx/quotes",
  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([
    'from' => [
        'amount' => '100.00'
    ],
    'to' => [
        'amount' => '100.00'
    ],
    'type' => 'tradable',
    'recipientAddress' => '0x1234567890abcdef1234567890abcdef12345678'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($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.circle.com/v1/exchange/stablefx/quotes"

	payload := strings.NewReader("{\n  \"from\": {\n    \"amount\": \"100.00\"\n  },\n  \"to\": {\n    \"amount\": \"100.00\"\n  },\n  \"type\": \"tradable\",\n  \"recipientAddress\": \"0x1234567890abcdef1234567890abcdef12345678\"\n}")

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

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

}

HttpResponse<String> response = Unirest.post("https://api.circle.com/v1/exchange/stablefx/quotes")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"from\": {\n    \"amount\": \"100.00\"\n  },\n  \"to\": {\n    \"amount\": \"100.00\"\n  },\n  \"type\": \"tradable\",\n  \"recipientAddress\": \"0x1234567890abcdef1234567890abcdef12345678\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.circle.com/v1/exchange/stablefx/quotes")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"from\": {\n    \"amount\": \"100.00\"\n  },\n  \"to\": {\n    \"amount\": \"100.00\"\n  },\n  \"type\": \"tradable\",\n  \"recipientAddress\": \"0x1234567890abcdef1234567890abcdef12345678\"\n}"

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

{
  "id": "c4d1da72-111e-4d52-bdbf-2e74a2d803d5",
  "rate": 0.915,
  "to": {
    "amount": "100.00"
  },
  "from": {
    "amount": "100.00"
  },
  "createdAt": "2023-01-01T12:04:05Z",
  "expiresAt": "2023-01-01T12:04:05Z",
  "fee": "100.00",
  "collateral": "100.00",
  "typedData": {
    "domain": {
      "name": "Permit2",
      "chainId": 11155111,
      "verifyingContract": "0xffd21ca8F0876DaFAD7de09404E0c1f868bbf1AE"
    },
    "types": {
      "EIP712Domain": [
        {
          "name": "<string>",
          "type": "<string>"
        }
      ],
      "Consideration": [
        {
          "name": "<string>",
          "type": "<string>"
        }
      ],
      "TraderDetails": [
        {
          "name": "consideration",
          "type": "Consideration"
        },
        {
          "name": "recipient",
          "type": "address"
        },
        {
          "name": "fee",
          "type": "uint256"
        },
        {
          "name": "authorizer",
          "type": "address"
        }
      ],
      "TokenPermissions": [
        {
          "name": "<string>",
          "type": "<string>"
        }
      ],
      "PermitWitnessTransferFrom": [
        {
          "name": "<string>",
          "type": "<string>"
        }
      ]
    },
    "primaryType": "PermitWitnessTransferFrom",
    "message": {
      "permitted": {
        "token": "0x3600000000000000000000000000000000000000",
        "amount": "429000000"
      },
      "spender": "0xa8f94168b4981840ba27d423f4ad6332bedee006",
      "nonce": "309585810",
      "deadline": "1770302983",
      "witness": {
        "consideration": {
          "quoteId": "<string>",
          "base": "<string>",
          "quote": "<string>",
          "baseAmount": "<string>",
          "quoteAmount": "<string>",
          "maturity": "1716153600"
        },
        "fee": "80000",
        "authorizer": "0x0000000000000000000000000000000000000000",
        "recipient": "0x1f531ce3c418bbd830d06138a9e5b5eacfdfb3d6"
      }
    }
  }
}