💻 Examples

import requests
import time

API_BASE = "https://finetunelab.ai"
AUTH_TOKEN = "your-token"

headers = {
    "Authorization": f"Bearer {AUTH_TOKEN}",
    "Content-Type": "application/json"
}

def monitor_training(job_id):
    url = f"{API_BASE}/api/training/metrics/{job_id}"
    while True:
        response = requests.get(url, headers=headers)
        metrics = response.json()
        
        print(f"Step {metrics['current_step']}/{metrics['total_steps']}")
        print(f"Loss: {metrics['train_loss']:.4f}")
        
        if metrics.get("status") == "completed":
            break
        time.sleep(10)

import json

def validate_jsonl(file_path):
    errors = []
    with open(file_path, 'r') as f:
        for i, line in enumerate(f, 1):
            try:
                data = json.loads(line)
                if "messages" not in data:
                    errors.append(f"Line {i}: Missing messages")
            except json.JSONDecodeError:
                errors.append(f"Line {i}: Invalid JSON")
    return errors

class TrainingClient {
  constructor(baseUrl, authToken) {
    this.baseUrl = baseUrl;
    this.authToken = authToken;
  }

  async createConfig(config) {
    const response = await fetch(`${this.baseUrl}/api/training`, {
      method: 'POST',
      headers: {
        'Authorization': `Bearer ${this.authToken}`,
        'Content-Type': 'application/json',
      },
      body: JSON.stringify(config),
    });
    return response.json();
  }

  async getMetrics(jobId) {
    const response = await fetch(`${this.baseUrl}/api/training/metrics/${jobId}`, {
      headers: { 'Authorization': `Bearer ${this.authToken}` },
    });
    return response.json();
  }
}

import { useState, useEffect } from 'react';

export function useTraining(jobId) {
  const [metrics, setMetrics] = useState(null);

  useEffect(() => {
    if (!jobId) return;

    const fetchMetrics = async () => {
      const response = await fetch(`/api/training/metrics/${jobId}`);
      setMetrics(await response.json());
    };

    fetchMetrics();
    const interval = setInterval(fetchMetrics, 5000);
    return () => clearInterval(interval);
  }, [jobId]);

  return metrics;
}