curl --request POST \
  --url https://app.teable.ai/api/attachments/signature \
  --header 'Authorization: Bearer REPLACE_BEARER_TOKEN' \
  --header 'content-type: application/json' \
  --data '{"contentType":"image/png","contentLength":123,"expiresIn":3600,"type":1,"baseId":"string"}'

const url = 'https://app.teable.ai/api/attachments/signature';
const options = {
  method: 'POST',
  headers: {
    Authorization: 'Bearer REPLACE_BEARER_TOKEN',
    'content-type': 'application/json'
  },
  body: '{"contentType":"image/png","contentLength":123,"expiresIn":3600,"type":1,"baseId":"string"}'
};

try {
  const response = await fetch(url, options);
  const data = await response.json();
  console.log(data);
} catch (error) {
  console.error(error);
}

const http = require('https');

const options = {
  method: 'POST',
  hostname: 'app.teable.ai',
  port: null,
  path: '/api/attachments/signature',
  headers: {
    Authorization: 'Bearer REPLACE_BEARER_TOKEN',
    'content-type': 'application/json'
  }
};

const req = http.request(options, function (res) {
  const chunks = [];

  res.on('data', function (chunk) {
    chunks.push(chunk);
  });

  res.on('end', function () {
    const body = Buffer.concat(chunks);
    console.log(body.toString());
  });
});

req.write(JSON.stringify({
  contentType: 'image/png',
  contentLength: 123,
  expiresIn: 3600,
  type: 1,
  baseId: 'string'
}));
req.end();

import http.client

conn = http.client.HTTPSConnection("app.teable.ai")

payload = "{\"contentType\":\"image/png\",\"contentLength\":123,\"expiresIn\":3600,\"type\":1,\"baseId\":\"string\"}"

headers = {
    'Authorization': "Bearer REPLACE_BEARER_TOKEN",
    'content-type': "application/json"
}

conn.request("POST", "/api/attachments/signature", payload, headers)

res = conn.getresponse()
data = res.read()

print(data.decode("utf-8"))

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://app.teable.ai/api/attachments/signature",
  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([
    'contentType' => 'image/png',
    'contentLength' => 123,
    'type' => 1,
    'expiresIn' => 3600,
    'baseId' => '<string>'
  ]),
  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://app.teable.ai/api/attachments/signature"

	payload := strings.NewReader("{\n  \"contentType\": \"image/png\",\n  \"contentLength\": 123,\n  \"type\": 1,\n  \"expiresIn\": 3600,\n  \"baseId\": \"<string>\"\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://app.teable.ai/api/attachments/signature")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"contentType\": \"image/png\",\n  \"contentLength\": 123,\n  \"type\": 1,\n  \"expiresIn\": 3600,\n  \"baseId\": \"<string>\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://app.teable.ai/api/attachments/signature")

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  \"contentType\": \"image/png\",\n  \"contentLength\": 123,\n  \"type\": 1,\n  \"expiresIn\": 3600,\n  \"baseId\": \"<string>\"\n}"

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

{
  "url": "https://example.com/attachment/upload",
  "uploadMethod": "POST",
  "token": "xxxxxxxx",
  "requestHeaders": {
    "Content-Type": "image/png"
  }
}