Create a sandbox volume

curl --request POST \
  --url https://api.baseten.co/v1/sandboxes/volumes \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "name": "datasets",
  "size": "10Gi",
  "region": "us-pdx-1",
  "labels": {
    "project": "api-review"
  }
}
'

import requests

url = "https://api.baseten.co/v1/sandboxes/volumes"

payload = {
    "name": "datasets",
    "size": "10Gi",
    "region": "us-pdx-1",
    "labels": { "project": "api-review" }
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    name: 'datasets',
    size: '10Gi',
    region: 'us-pdx-1',
    labels: {project: 'api-review'}
  })
};

fetch('https://api.baseten.co/v1/sandboxes/volumes', 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.baseten.co/v1/sandboxes/volumes",
  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([
    'name' => 'datasets',
    'size' => '10Gi',
    'region' => 'us-pdx-1',
    'labels' => [
        'project' => 'api-review'
    ]
  ]),
  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://api.baseten.co/v1/sandboxes/volumes"

	payload := strings.NewReader("{\n  \"name\": \"datasets\",\n  \"size\": \"10Gi\",\n  \"region\": \"us-pdx-1\",\n  \"labels\": {\n    \"project\": \"api-review\"\n  }\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://api.baseten.co/v1/sandboxes/volumes")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"name\": \"datasets\",\n  \"size\": \"10Gi\",\n  \"region\": \"us-pdx-1\",\n  \"labels\": {\n    \"project\": \"api-review\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.baseten.co/v1/sandboxes/volumes")

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  \"name\": \"datasets\",\n  \"size\": \"10Gi\",\n  \"region\": \"us-pdx-1\",\n  \"labels\": {\n    \"project\": \"api-review\"\n  }\n}"

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

{
  "name": "datasets",
  "size": "10Gi",
  "region": "us-pdx-1",
  "status": "DEPLOYED",
  "attached_to": "baseten-api-review-0916",
  "labels": {
    "project": "api-review"
  },
  "created_at": "2026-10-12T12:00:00Z",
  "updated_at": "2026-10-12T12:00:00Z",
  "created_by": "sandbox-automation",
  "updated_by": "sandbox-automation"
}

{
  "code": "INVALID_REQUEST",
  "message": "One or more request parameters are invalid.",
  "details": {
    "request_id": "a3b7c4d2-91e6-4f08-9b5a-2c6d7e8f1043"
  }
}

{
  "code": "UNAUTHORIZED",
  "message": "Provide a valid authentication token in the Authorization header.",
  "details": {
    "header": "Authorization"
  }
}

{
  "code": "FORBIDDEN",
  "message": "This authentication token does not grant permission to perform this operation.",
  "details": {
    "request_id": "a3b7c4d2-91e6-4f08-9b5a-2c6d7e8f1043"
  }
}

{
  "code": "RESOURCE_IN_USE",
  "message": "The resource is currently in use or conflicts with the requested operation.",
  "details": {
    "request_id": "a3b7c4d2-91e6-4f08-9b5a-2c6d7e8f1043"
  }
}

{
  "code": "RATE_LIMITED",
  "message": "Too many requests. Try again in 30 seconds.",
  "details": {
    "retry_after_seconds": 30
  }
}

{
  "code": "INTERNAL_ERROR",
  "message": "The request could not be completed. Try again later.",
  "details": {
    "request_id": "a3b7c4d2-91e6-4f08-9b5a-2c6d7e8f1043"
  }
}