curl --request POST \
  --url https://api.together.ai/v1/rl/training-sessions/{session_id}/stop \
  --header 'Authorization: Bearer <token>'

import requests

url = "https://api.together.ai/v1/rl/training-sessions/{session_id}/stop"

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

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

print(response.text)

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

fetch('https://api.together.ai/v1/rl/training-sessions/{session_id}/stop', 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.together.ai/v1/rl/training-sessions/{session_id}/stop",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  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.together.ai/v1/rl/training-sessions/{session_id}/stop"

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

}

HttpResponse<String> response = Unirest.post("https://api.together.ai/v1/rl/training-sessions/{session_id}/stop")
  .header("Authorization", "Bearer <token>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.together.ai/v1/rl/training-sessions/{session_id}/stop")

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

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

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

{
  "id": "123e4567-e89b-12d3-a456-426614174000",
  "metadata": {
    "wandb": {
      "entity": "example-org",
      "project": "grpo-gsm8k",
      "group": "gsm8k-35b-sweep",
      "run_name": "exp2-thinking-4k-ctx",
      "run_id": "abc123",
      "url": "https://wandb.ai/example-org/example-project/runs/run-id"
    }
  },
  "status": "TRAINING_SESSION_STATUS_RUNNING",
  "inference_checkpoints": [
    {
      "id": "123e4567-e89b-12d3-a456-426614174000",
      "step": "42",
      "created_at": "2026-01-02T00:00:00Z",
      "registration": {
        "model": {
          "id": "ml_abc123",
          "revision_id": "rv_def456"
        },
        "adapter": {
          "id": "ml_abc123",
          "revision_id": "rv_def456"
        }
      }
    }
  ],
  "training_checkpoints": [
    {
      "id": "123e4567-e89b-12d3-a456-426614174000",
      "step": "42",
      "created_at": "2026-01-02T00:00:00Z",
      "registration": {
        "id": "ml_abc123",
        "revision_id": "rv_def456"
      }
    }
  ],
  "step": "100",
  "created_at": "2026-01-02T00:00:00Z",
  "updated_at": "2026-01-02T00:00:05Z",
  "model_resources_id": "123e4567-e89b-12d3-a456-426614174000",
  "base_model": "Qwen/Qwen3.5-4B",
  "created_by": "user_123",
  "policy_state": {
    "trainer_step": "7",
    "target_weights_version": "7",
    "applied_weights_version": "6",
    "pending_publish": true
  },
  "display_name": "gsm8k-experiment-2",
  "error": {
    "code": "TRAINING_SESSION_ERROR_CODE_RESOURCE_AT_CAPACITY",
    "message": "The session could not start because the selected resource has no available capacity.",
    "occurred_at": "2026-01-02T00:00:05Z"
  },
  "resume_from_checkpoint_id": "123e4567-e89b-12d3-a456-426614174000",
  "lora_config": {
    "rank": 32,
    "alpha": 64,
    "dropout": 0,
    "seed": "59",
    "train_unembed": true
  }
}

{
  "error": {
    "message": "<string>",
    "type": "<string>",
    "param": null,
    "code": null
  }
}