Get session totals

Returns exact session counts and run time for one date window: a total, one entry per UTC day, and one entry per model. Use it for counts and charts. The access rule is the same as GET /accounts/{account_id}/sessions.

A session counts on the UTC day it was created, including all of its run time. A closed session ran from created_at to updated_at; an open session runs until the time of the request.

The window may be at most 366 days. A window holding more than 200,000 sessions returns 422, and a read longer than 20 seconds returns 504. Neither returns partial counts; use a narrower window.

GET

accounts

{account_id}

sessions

stats

Get session totals

curl --request GET \
  --url https://api.reactor.inc/accounts/{account_id}/sessions/stats \
  --header 'Authorization: Bearer <token>'

import requests

url = "https://api.reactor.inc/accounts/{account_id}/sessions/stats"

headers = {"Authorization": "Bearer <token>"}

response = requests.get(url, headers=headers)

print(response.text)

const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};

fetch('https://api.reactor.inc/accounts/{account_id}/sessions/stats', 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.reactor.inc/accounts/{account_id}/sessions/stats",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://api.reactor.inc/accounts/{account_id}/sessions/stats"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("Authorization", "Bearer <token>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

require 'uri'
require 'net/http'

url = URI("https://api.reactor.inc/accounts/{account_id}/sessions/stats")

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

request = Net::HTTP::Get.new(url)
request["Authorization"] = 'Bearer <token>'

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

{
  "total": 10432,
  "by_day": [
    {
      "day": "2026-10-01",
      "sessions": 312,
      "seconds": 48120
    },
    {
      "day": "2026-10-02",
      "sessions": 0,
      "seconds": 0
    }
  ],
  "by_model": [
    {
      "model": "reactor/helios",
      "sessions": 8001,
      "seconds": 1200400
    },
    {
      "model": "your-org/your-model",
      "sessions": 2431,
      "seconds": 301877
    }
  ]
}

{
  "error": "invalid_request",
  "message": "invalid window: must be at most 366 days"
}

{
  "error": "<string>",
  "message": "<string>",
  "resource": "<string>",
  "reason": "<string>"
}

{
  "error": "<string>",
  "message": "<string>",
  "resource": "<string>",
  "reason": "<string>"
}

{
  "error": "session_stats_too_large",
  "message": "the window holds more than 200000 sessions; use a narrower window"
}

{
  "error": "<string>",
  "message": "<string>",
  "resource": "<string>",
  "reason": "<string>"
}

{
  "error": "session_stats_timeout",
  "message": "the session stats took too long to compute; use a narrower window"
}

Authorizations

Authorization

string

header

required

A Reactor API key (rk_...), sent as Authorization: Bearer rk_.... Keep it on a server.

Path Parameters

account_id

string<uuid>

required

The account's ID. Use the account_id from GET /me.

Query Parameters

after

string<date>

required

Inclusive lower bound on created_at, as a YYYY-MM-DD date read as midnight UTC.

Example:

"2026-10-01"

before

string<date>

required

Exclusive upper bound on created_at, as a YYYY-MM-DD date read as midnight UTC. At most 366 days after after.

Example:

"2026-11-01"

model

string

Exact, case-sensitive match on the session's model name, for example reactor/helios. Surrounding spaces are trimmed; an empty value means no filter.

Example:

"reactor/helios"

Response

The session totals for the window.

total

integer<int64>

required

Sessions created in the window, after the model filter.

by_day

object[]

required

One entry per UTC day in the window, oldest first, including days with no sessions.

Show child attributes

by_model

object[]

required

One entry per model with sessions in the window, by sessions descending, then model ascending.

Show child attributes

⌘I

Get session totals

curl --request GET \
  --url https://api.reactor.inc/accounts/{account_id}/sessions/stats \
  --header 'Authorization: Bearer <token>'

import requests

url = "https://api.reactor.inc/accounts/{account_id}/sessions/stats"

headers = {"Authorization": "Bearer <token>"}

response = requests.get(url, headers=headers)

print(response.text)

const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};

fetch('https://api.reactor.inc/accounts/{account_id}/sessions/stats', 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.reactor.inc/accounts/{account_id}/sessions/stats",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://api.reactor.inc/accounts/{account_id}/sessions/stats"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("Authorization", "Bearer <token>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

require 'uri'
require 'net/http'

url = URI("https://api.reactor.inc/accounts/{account_id}/sessions/stats")

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

request = Net::HTTP::Get.new(url)
request["Authorization"] = 'Bearer <token>'

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

{
  "total": 10432,
  "by_day": [
    {
      "day": "2026-10-01",
      "sessions": 312,
      "seconds": 48120
    },
    {
      "day": "2026-10-02",
      "sessions": 0,
      "seconds": 0
    }
  ],
  "by_model": [
    {
      "model": "reactor/helios",
      "sessions": 8001,
      "seconds": 1200400
    },
    {
      "model": "your-org/your-model",
      "sessions": 2431,
      "seconds": 301877
    }
  ]
}

{
  "error": "invalid_request",
  "message": "invalid window: must be at most 366 days"
}

{
  "error": "<string>",
  "message": "<string>",
  "resource": "<string>",
  "reason": "<string>"
}

{
  "error": "<string>",
  "message": "<string>",
  "resource": "<string>",
  "reason": "<string>"
}

{
  "error": "session_stats_too_large",
  "message": "the window holds more than 200000 sessions; use a narrower window"
}

{
  "error": "<string>",
  "message": "<string>",
  "resource": "<string>",
  "reason": "<string>"
}

{
  "error": "session_stats_timeout",
  "message": "the session stats took too long to compute; use a narrower window"
}

Get started

SDK Reference

CLI Reference

Platform API Reference

Endpoints

Get session totals

Authorizations

Path Parameters

Query Parameters

Response