curl --request POST \
  --url https://backend.swap.coffee/v1/profile/{address}/proof \
  --header 'Content-Type: application/json' \
  --header 'X-Api-Key: <api-key>' \
  --data '
{
  "public_key": "<string>",
  "wallet_state_init": "aSDinaTvuI8gbWludGxpZnk=",
  "proof": {
    "timestamp": 123,
    "domain_len": 123,
    "domain_val": "<string>",
    "payload": "<string>",
    "signature": "<string>"
  }
}
'

import requests

url = "https://backend.swap.coffee/v1/profile/{address}/proof"

payload = {
    "public_key": "<string>",
    "wallet_state_init": "aSDinaTvuI8gbWludGxpZnk=",
    "proof": {
        "timestamp": 123,
        "domain_len": 123,
        "domain_val": "<string>",
        "payload": "<string>",
        "signature": "<string>"
    }
}
headers = {
    "X-Api-Key": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'X-Api-Key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    public_key: '<string>',
    wallet_state_init: 'aSDinaTvuI8gbWludGxpZnk=',
    proof: {
      timestamp: 123,
      domain_len: 123,
      domain_val: '<string>',
      payload: '<string>',
      signature: '<string>'
    }
  })
};

fetch('https://backend.swap.coffee/v1/profile/{address}/proof', 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://backend.swap.coffee/v1/profile/{address}/proof",
  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([
    'public_key' => '<string>',
    'wallet_state_init' => 'aSDinaTvuI8gbWludGxpZnk=',
    'proof' => [
        'timestamp' => 123,
        'domain_len' => 123,
        'domain_val' => '<string>',
        'payload' => '<string>',
        'signature' => '<string>'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "X-Api-Key: <api-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"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://backend.swap.coffee/v1/profile/{address}/proof"

	payload := strings.NewReader("{\n  \"public_key\": \"<string>\",\n  \"wallet_state_init\": \"aSDinaTvuI8gbWludGxpZnk=\",\n  \"proof\": {\n    \"timestamp\": 123,\n    \"domain_len\": 123,\n    \"domain_val\": \"<string>\",\n    \"payload\": \"<string>\",\n    \"signature\": \"<string>\"\n  }\n}")

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

	req.Header.Add("X-Api-Key", "<api-key>")
	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://backend.swap.coffee/v1/profile/{address}/proof")
  .header("X-Api-Key", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"public_key\": \"<string>\",\n  \"wallet_state_init\": \"aSDinaTvuI8gbWludGxpZnk=\",\n  \"proof\": {\n    \"timestamp\": 123,\n    \"domain_len\": 123,\n    \"domain_val\": \"<string>\",\n    \"payload\": \"<string>\",\n    \"signature\": \"<string>\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://backend.swap.coffee/v1/profile/{address}/proof")

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

request = Net::HTTP::Post.new(url)
request["X-Api-Key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"public_key\": \"<string>\",\n  \"wallet_state_init\": \"aSDinaTvuI8gbWludGxpZnk=\",\n  \"proof\": {\n    \"timestamp\": 123,\n    \"domain_len\": 123,\n    \"domain_val\": \"<string>\",\n    \"payload\": \"<string>\",\n    \"signature\": \"<string>\"\n  }\n}"

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

{
  "error": "<string>"
}