curl -X POST "https://api.tokenlab.sh/v1/messages" \
  -H "x-api-key: sk-your-api-key" \
  -H "anthropic-version: 2023-06-01" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "claude-sonnet-4-6",
    "max_tokens": 1024,
    "system": "You are a helpful assistant.",
    "messages": [
      {"role": "user", "content": "Hello, Claude!"}
    ]
  }'

from anthropic import Anthropic

client = Anthropic(
    api_key="sk-your-api-key",
    base_url="https://api.tokenlab.sh"
)

message = client.messages.create(
    model="claude-sonnet-4-6",
    max_tokens=1024,
    system="You are a helpful assistant.",
    messages=[
        {"role": "user", "content": "Hello, Claude!"}
    ]
)

print(message.content[0].text)

import Anthropic from '@anthropic-ai/sdk';

const client = new Anthropic({
  apiKey: 'sk-your-api-key',
  baseURL: 'https://api.tokenlab.sh'
});

const message = await client.messages.create({
  model: 'claude-sonnet-4-6',
  max_tokens: 1024,
  system: 'You are a helpful assistant.',
  messages: [
    { role: 'user', content: 'Hello, Claude!' }
  ]
});

console.log(message.content[0].text);

package main

import (
    "bytes"
    "encoding/json"
    "fmt"
    "io"
    "net/http"
)

func main() {
    payload := map[string]interface{}{
        "model":      "claude-sonnet-4-6",
        "max_tokens": 1024,
        "system":     "You are a helpful assistant.",
        "messages": []map[string]string{
            {"role": "user", "content": "Hello, Claude!"},
        },
    }

    jsonData, _ := json.Marshal(payload)
    req, _ := http.NewRequest("POST", "https://api.tokenlab.sh/v1/messages", bytes.NewBuffer(jsonData))
    req.Header.Set("x-api-key", "sk-your-api-key")
    req.Header.Set("anthropic-version", "2023-06-01")
    req.Header.Set("Content-Type", "application/json")

    client := &http.Client{}
    resp, _ := client.Do(req)
    defer resp.Body.Close()

    body, _ := io.ReadAll(resp.Body)
    fmt.Println(string(body))
}

<?php
$payload = [
    'model' => 'claude-sonnet-4-6',
    'max_tokens' => 1024,
    'system' => 'You are a helpful assistant.',
    'messages' => [
        ['role' => 'user', 'content' => 'Hello, Claude!']
    ]
];

$ch = curl_init('https://api.tokenlab.sh/v1/messages');

curl_setopt_array($ch, [
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_POST => true,
    CURLOPT_HTTPHEADER => [
        'x-api-key: sk-your-api-key',
        'anthropic-version: 2023-06-01',
        'Content-Type: application/json'
    ],
    CURLOPT_POSTFIELDS => json_encode($payload)
]);

$response = curl_exec($ch);
curl_close($ch);

$data = json_decode($response, true);
echo $data['content'][0]['text'];

{
  "id": "msg_abc123",
  "type": "message",
  "role": "assistant",
  "content": [
    {
      "type": "text",
      "text": "Hello! How can I help you today?"
    }
  ],
  "model": "claude-sonnet-4-6",
  "stop_reason": "end_turn",
  "usage": {
    "input_tokens": 15,
    "output_tokens": 10
  }
}