curl --request POST \
  --url https://app.teable.ai/api/table/%7BtableId%7D/record/%7BrecordId%7D/%7BfieldId%7D/insertAttachment \
  --header 'Authorization: Bearer REPLACE_BEARER_TOKEN' \
  --header 'content-type: application/json' \
  --data '{"attachments":[{"id":"string","name":"string","path":"string","token":"string","size":0,"mimetype":"string","presignedUrl":"string","width":0,"height":0,"smThumbnailUrl":"string","lgThumbnailUrl":"string"}],"anchorId":"string"}'

const url = 'https://app.teable.ai/api/table/%7BtableId%7D/record/%7BrecordId%7D/%7BfieldId%7D/insertAttachment';
const options = {
  method: 'POST',
  headers: {
    Authorization: 'Bearer REPLACE_BEARER_TOKEN',
    'content-type': 'application/json'
  },
  body: '{"attachments":[{"id":"string","name":"string","path":"string","token":"string","size":0,"mimetype":"string","presignedUrl":"string","width":0,"height":0,"smThumbnailUrl":"string","lgThumbnailUrl":"string"}],"anchorId":"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/table/%7BtableId%7D/record/%7BrecordId%7D/%7BfieldId%7D/insertAttachment',
  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({
  attachments: [
    {
      id: 'string',
      name: 'string',
      path: 'string',
      token: 'string',
      size: 0,
      mimetype: 'string',
      presignedUrl: 'string',
      width: 0,
      height: 0,
      smThumbnailUrl: 'string',
      lgThumbnailUrl: 'string'
    }
  ],
  anchorId: 'string'
}));
req.end();

import http.client

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

payload = "{\"attachments\":[{\"id\":\"string\",\"name\":\"string\",\"path\":\"string\",\"token\":\"string\",\"size\":0,\"mimetype\":\"string\",\"presignedUrl\":\"string\",\"width\":0,\"height\":0,\"smThumbnailUrl\":\"string\",\"lgThumbnailUrl\":\"string\"}],\"anchorId\":\"string\"}"

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

conn.request("POST", "/api/table/%7BtableId%7D/record/%7BrecordId%7D/%7BfieldId%7D/insertAttachment", 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/table/{tableId}/record/{recordId}/{fieldId}/insertAttachment",
  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([
    'attachments' => [
        [
                'id' => '<string>',
                'name' => '<string>',
                'path' => '<string>',
                'token' => '<string>',
                'size' => 123,
                'mimetype' => '<string>',
                'presignedUrl' => '<string>',
                'width' => 123,
                'height' => 123,
                'smThumbnailUrl' => '<string>',
                'lgThumbnailUrl' => '<string>'
        ]
    ],
    'anchorId' => '<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/table/{tableId}/record/{recordId}/{fieldId}/insertAttachment"

	payload := strings.NewReader("{\n  \"attachments\": [\n    {\n      \"id\": \"<string>\",\n      \"name\": \"<string>\",\n      \"path\": \"<string>\",\n      \"token\": \"<string>\",\n      \"size\": 123,\n      \"mimetype\": \"<string>\",\n      \"presignedUrl\": \"<string>\",\n      \"width\": 123,\n      \"height\": 123,\n      \"smThumbnailUrl\": \"<string>\",\n      \"lgThumbnailUrl\": \"<string>\"\n    }\n  ],\n  \"anchorId\": \"<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/table/{tableId}/record/{recordId}/{fieldId}/insertAttachment")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"attachments\": [\n    {\n      \"id\": \"<string>\",\n      \"name\": \"<string>\",\n      \"path\": \"<string>\",\n      \"token\": \"<string>\",\n      \"size\": 123,\n      \"mimetype\": \"<string>\",\n      \"presignedUrl\": \"<string>\",\n      \"width\": 123,\n      \"height\": 123,\n      \"smThumbnailUrl\": \"<string>\",\n      \"lgThumbnailUrl\": \"<string>\"\n    }\n  ],\n  \"anchorId\": \"<string>\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://app.teable.ai/api/table/{tableId}/record/{recordId}/{fieldId}/insertAttachment")

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  \"attachments\": [\n    {\n      \"id\": \"<string>\",\n      \"name\": \"<string>\",\n      \"path\": \"<string>\",\n      \"token\": \"<string>\",\n      \"size\": 123,\n      \"mimetype\": \"<string>\",\n      \"presignedUrl\": \"<string>\",\n      \"width\": 123,\n      \"height\": 123,\n      \"smThumbnailUrl\": \"<string>\",\n      \"lgThumbnailUrl\": \"<string>\"\n    }\n  ],\n  \"anchorId\": \"<string>\"\n}"

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

{
  "id": "<string>",
  "fields": {},
  "name": "<string>",
  "autoNumber": 123,
  "createdTime": "<string>",
  "lastModifiedTime": "<string>",
  "createdBy": "<string>",
  "lastModifiedBy": "<string>",
  "permissions": {},
  "undeletable": true
}