curl --request POST \
--url https://flowra.dev/api/v1/sandbox/sessions \
--header 'Content-Type: application/json' \
--header 'x-api-key: <api-key>' \
--data '
{
"threadId": "b737d8af-a9e0-4251-9714-3fdc1126e5fb",
"workflowId": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
"templateId": "code-interpreter-v1",
"maxDurationSec": 3600
}
'import requests
url = "https://flowra.dev/api/v1/sandbox/sessions"
payload = {
"threadId": "b737d8af-a9e0-4251-9714-3fdc1126e5fb",
"workflowId": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
"templateId": "code-interpreter-v1",
"maxDurationSec": 3600
}
headers = {
"x-api-key": "<api-key>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {'x-api-key': '<api-key>', 'Content-Type': 'application/json'},
body: JSON.stringify({
threadId: 'b737d8af-a9e0-4251-9714-3fdc1126e5fb',
workflowId: '3fa85f64-5717-4562-b3fc-2c963f66afa6',
templateId: 'code-interpreter-v1',
maxDurationSec: 3600
})
};
fetch('https://flowra.dev/api/v1/sandbox/sessions', 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://flowra.dev/api/v1/sandbox/sessions",
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([
'threadId' => 'b737d8af-a9e0-4251-9714-3fdc1126e5fb',
'workflowId' => '3fa85f64-5717-4562-b3fc-2c963f66afa6',
'templateId' => 'code-interpreter-v1',
'maxDurationSec' => 3600
]),
CURLOPT_HTTPHEADER => [
"Content-Type: application/json",
"x-api-key: <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://flowra.dev/api/v1/sandbox/sessions"
payload := strings.NewReader("{\n \"threadId\": \"b737d8af-a9e0-4251-9714-3fdc1126e5fb\",\n \"workflowId\": \"3fa85f64-5717-4562-b3fc-2c963f66afa6\",\n \"templateId\": \"code-interpreter-v1\",\n \"maxDurationSec\": 3600\n}")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("x-api-key", "<api-key>")
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://flowra.dev/api/v1/sandbox/sessions")
.header("x-api-key", "<api-key>")
.header("Content-Type", "application/json")
.body("{\n \"threadId\": \"b737d8af-a9e0-4251-9714-3fdc1126e5fb\",\n \"workflowId\": \"3fa85f64-5717-4562-b3fc-2c963f66afa6\",\n \"templateId\": \"code-interpreter-v1\",\n \"maxDurationSec\": 3600\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://flowra.dev/api/v1/sandbox/sessions")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["x-api-key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"threadId\": \"b737d8af-a9e0-4251-9714-3fdc1126e5fb\",\n \"workflowId\": \"3fa85f64-5717-4562-b3fc-2c963f66afa6\",\n \"templateId\": \"code-interpreter-v1\",\n \"maxDurationSec\": 3600\n}"
response = http.request(request)
puts response.read_body{
"success": true,
"message": "Operation completed successfully",
"data": {
"id": "",
"sandboxId": "",
"status": "active",
"threadId": "",
"cpuCount": 0,
"memoryMB": 0,
"maxDurationSec": 0,
"startedAt": ""
}
}Create a durable sandbox session
Starts a persistent code sandbox billed for the session lifetime. Default threadId is http:.
curl --request POST \
--url https://flowra.dev/api/v1/sandbox/sessions \
--header 'Content-Type: application/json' \
--header 'x-api-key: <api-key>' \
--data '
{
"threadId": "b737d8af-a9e0-4251-9714-3fdc1126e5fb",
"workflowId": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
"templateId": "code-interpreter-v1",
"maxDurationSec": 3600
}
'import requests
url = "https://flowra.dev/api/v1/sandbox/sessions"
payload = {
"threadId": "b737d8af-a9e0-4251-9714-3fdc1126e5fb",
"workflowId": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
"templateId": "code-interpreter-v1",
"maxDurationSec": 3600
}
headers = {
"x-api-key": "<api-key>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {'x-api-key': '<api-key>', 'Content-Type': 'application/json'},
body: JSON.stringify({
threadId: 'b737d8af-a9e0-4251-9714-3fdc1126e5fb',
workflowId: '3fa85f64-5717-4562-b3fc-2c963f66afa6',
templateId: 'code-interpreter-v1',
maxDurationSec: 3600
})
};
fetch('https://flowra.dev/api/v1/sandbox/sessions', 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://flowra.dev/api/v1/sandbox/sessions",
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([
'threadId' => 'b737d8af-a9e0-4251-9714-3fdc1126e5fb',
'workflowId' => '3fa85f64-5717-4562-b3fc-2c963f66afa6',
'templateId' => 'code-interpreter-v1',
'maxDurationSec' => 3600
]),
CURLOPT_HTTPHEADER => [
"Content-Type: application/json",
"x-api-key: <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://flowra.dev/api/v1/sandbox/sessions"
payload := strings.NewReader("{\n \"threadId\": \"b737d8af-a9e0-4251-9714-3fdc1126e5fb\",\n \"workflowId\": \"3fa85f64-5717-4562-b3fc-2c963f66afa6\",\n \"templateId\": \"code-interpreter-v1\",\n \"maxDurationSec\": 3600\n}")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("x-api-key", "<api-key>")
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://flowra.dev/api/v1/sandbox/sessions")
.header("x-api-key", "<api-key>")
.header("Content-Type", "application/json")
.body("{\n \"threadId\": \"b737d8af-a9e0-4251-9714-3fdc1126e5fb\",\n \"workflowId\": \"3fa85f64-5717-4562-b3fc-2c963f66afa6\",\n \"templateId\": \"code-interpreter-v1\",\n \"maxDurationSec\": 3600\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://flowra.dev/api/v1/sandbox/sessions")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["x-api-key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"threadId\": \"b737d8af-a9e0-4251-9714-3fdc1126e5fb\",\n \"workflowId\": \"3fa85f64-5717-4562-b3fc-2c963f66afa6\",\n \"templateId\": \"code-interpreter-v1\",\n \"maxDurationSec\": 3600\n}"
response = http.request(request)
puts response.read_body{
"success": true,
"message": "Operation completed successfully",
"data": {
"id": "",
"sandboxId": "",
"status": "active",
"threadId": "",
"cpuCount": 0,
"memoryMB": 0,
"maxDurationSec": 0,
"startedAt": ""
}
}Authorizations
Project API key. Create and manage keys in the dashboard under Project → API Keys. Send as header: x-api-key:
Headers
External user (end user) to act as. Optional — if omitted, Flowra uses the project’s default external user. Send a stable username (e.g. customer_alice) only when you need another end-user context.
Body
Isolation thread id. Defaults to http:{uuid} so HTTP sessions do not collide with chat threads.
"b737d8af-a9e0-4251-9714-3fdc1126e5fb"
Optional workflow id for billing attribution
"3fa85f64-5717-4562-b3fc-2c963f66afa6"
Sandbox template name or id override
"code-interpreter-v1"
Max session duration in seconds (capped by server config)
60 <= x <= 864003600
Response
Sandbox session created
Success status
true
Success message
"Operation completed successfully"
Show child attributes
Show child attributes
{
"id": "",
"sandboxId": "",
"status": "active",
"threadId": "",
"cpuCount": 0,
"memoryMB": 0,
"maxDurationSec": 0,
"startedAt": ""
}
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