curl -X POST "https://api.cartesia.ai/agents/documents" \
  -H "Authorization: Bearer $CARTESIA_API_KEY" \
  -H "Cartesia-Version: 2026-03-01" \
  -H "Content-Type: application/json" \
  -d '{
    "folder_id": "folder_abc",
    "name": "Return Policy",
    "content": "Customers may return any unopened item within 30 days...",
    "metadata": {"category": "policy", "audience": "customer"}
  }'

import requests

url = "https://api.cartesia.ai/agents/documents"

payload = {
    "folder_id": "<string>",
    "content": "<string>",
    "name": "<string>",
    "metadata": {}
}
headers = {
    "Cartesia-Version": "<cartesia-version>",
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {
    'Cartesia-Version': '<cartesia-version>',
    Authorization: 'Bearer <token>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({folder_id: '<string>', content: '<string>', name: '<string>', metadata: {}})
};

fetch('https://api.cartesia.ai/agents/documents', 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.cartesia.ai/agents/documents",
  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([
    'folder_id' => '<string>',
    'content' => '<string>',
    'name' => '<string>',
    'metadata' => [
        
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Cartesia-Version: <cartesia-version>",
    "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.cartesia.ai/agents/documents"

	payload := strings.NewReader("{\n  \"folder_id\": \"<string>\",\n  \"content\": \"<string>\",\n  \"name\": \"<string>\",\n  \"metadata\": {}\n}")

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

	req.Header.Add("Cartesia-Version", "<cartesia-version>")
	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.cartesia.ai/agents/documents")
  .header("Cartesia-Version", "<cartesia-version>")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"folder_id\": \"<string>\",\n  \"content\": \"<string>\",\n  \"name\": \"<string>\",\n  \"metadata\": {}\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.cartesia.ai/agents/documents")

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

request = Net::HTTP::Post.new(url)
request["Cartesia-Version"] = '<cartesia-version>'
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"folder_id\": \"<string>\",\n  \"content\": \"<string>\",\n  \"name\": \"<string>\",\n  \"metadata\": {}\n}"

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

{
  "id": "<string>",
  "name": "<string>",
  "content": "<string>",
  "created_at": "2023-11-07T05:31:56Z",
  "metadata": {}
}