curl --request POST \
  --url https://api.agg.market/execution/withdrawals/{withdrawalId}/signatures \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'x-app-id: <api-key>' \
  --data '
{
  "signatures": [
    {
      "stepId": "<string>",
      "signature": "<string>",
      "txHash": "<string>"
    }
  ]
}
'

import requests

url = "https://api.agg.market/execution/withdrawals/{withdrawalId}/signatures"

payload = { "signatures": [
        {
            "stepId": "<string>",
            "signature": "<string>",
            "txHash": "<string>"
        }
    ] }
headers = {
    "x-app-id": "<api-key>",
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {
    'x-app-id': '<api-key>',
    Authorization: 'Bearer <token>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({signatures: [{stepId: '<string>', signature: '<string>', txHash: '<string>'}]})
};

fetch('https://api.agg.market/execution/withdrawals/{withdrawalId}/signatures', 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.agg.market/execution/withdrawals/{withdrawalId}/signatures",
  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([
    'signatures' => [
        [
                'stepId' => '<string>',
                'signature' => '<string>',
                'txHash' => '<string>'
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json",
    "x-app-id: <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://api.agg.market/execution/withdrawals/{withdrawalId}/signatures"

	payload := strings.NewReader("{\n  \"signatures\": [\n    {\n      \"stepId\": \"<string>\",\n      \"signature\": \"<string>\",\n      \"txHash\": \"<string>\"\n    }\n  ]\n}")

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

	req.Header.Add("x-app-id", "<api-key>")
	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.agg.market/execution/withdrawals/{withdrawalId}/signatures")
  .header("x-app-id", "<api-key>")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"signatures\": [\n    {\n      \"stepId\": \"<string>\",\n      \"signature\": \"<string>\",\n      \"txHash\": \"<string>\"\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.agg.market/execution/withdrawals/{withdrawalId}/signatures")

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

request = Net::HTTP::Post.new(url)
request["x-app-id"] = '<api-key>'
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"signatures\": [\n    {\n      \"stepId\": \"<string>\",\n      \"signature\": \"<string>\",\n      \"txHash\": \"<string>\"\n    }\n  ]\n}"

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

{
  "withdrawalId": "<string>",
  "status": "pending",
  "requested": {
    "tokenSymbol": "USDC",
    "amountRaw": "<string>"
  },
  "completedAmountRaw": "<string>",
  "destination": {
    "chainId": 2,
    "address": "<string>",
    "tokenSymbol": "USDC"
  },
  "legs": [
    {
      "type": "transfer",
      "status": "planned",
      "sourceChainId": 123,
      "destChainId": 123,
      "amountRaw": "<string>",
      "txHash": "<string>",
      "bridgeOperationId": "<string>",
      "sourceTokenSymbol": "<string>",
      "errorMessage": "<string>"
    }
  ],
  "expected": {
    "outputRaw": "<string>",
    "feeRaw": "<string>",
    "etaSeconds": 123
  },
  "pricingStatus": "unquoted",
  "errorMessage": "<string>",
  "sources": [
    {
      "sourceId": "<string>",
      "chainId": 123,
      "tokenSymbol": "USDC",
      "tokenAddress": "<string>",
      "decimals": 18,
      "amountRaw": "<string>",
      "status": "pending",
      "txHash": "<string>",
      "bridgeOperationId": "<string>",
      "custodyKind": "DEPOSIT_WALLET",
      "venue": "kalshi",
      "sourceVenueAccountId": "<string>",
      "sourceExternalAccountId": "<string>",
      "pendingReason": "awaiting_venue_submission"
    }
  ],
  "pendingSignatures": [
    {
      "stepId": "<string>",
      "type": "eip712",
      "venue": "<string>",
      "signerAddress": "<string>",
      "payload": "<unknown>",
      "expiresAt": "<string>",
      "chainId": 123,
      "purpose": "<string>",
      "optional": true
    }
  ]
}

{
  "message": "<string>"
}

{
  "message": "<string>"
}

{
  "message": "<string>"
}

{
  "message": "<string>"
}