curl --request POST \
  --url https://www.anyfast.ai/v1/messages \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "model": "claude-opus-5",
  "messages": [
    {
      "role": "user",
      "content": "Hello, Claude!"
    }
  ],
  "max_tokens": 4096,
  "system": "<string>",
  "metadata": {
    "user_id": "<string>"
  },
  "stop_sequences": [
    "<string>"
  ],
  "stream": false,
  "tools": [
    {
      "name": "<string>",
      "input_schema": {},
      "description": "<string>"
    }
  ],
  "output_config": {
    "effort": "high"
  }
}
'

import requests

url = "https://www.anyfast.ai/v1/messages"

payload = {
    "model": "claude-opus-5",
    "messages": [
        {
            "role": "user",
            "content": "Hello, Claude!"
        }
    ],
    "max_tokens": 4096,
    "system": "<string>",
    "metadata": { "user_id": "<string>" },
    "stop_sequences": ["<string>"],
    "stream": False,
    "tools": [
        {
            "name": "<string>",
            "input_schema": {},
            "description": "<string>"
        }
    ],
    "output_config": { "effort": "high" }
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    model: 'claude-opus-5',
    messages: [{role: 'user', content: 'Hello, Claude!'}],
    max_tokens: 4096,
    system: '<string>',
    metadata: {user_id: '<string>'},
    stop_sequences: ['<string>'],
    stream: false,
    tools: [{name: '<string>', input_schema: {}, description: '<string>'}],
    output_config: {effort: 'high'}
  })
};

fetch('https://www.anyfast.ai/v1/messages', 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://www.anyfast.ai/v1/messages",
  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([
    'model' => 'claude-opus-5',
    'messages' => [
        [
                'role' => 'user',
                'content' => 'Hello, Claude!'
        ]
    ],
    'max_tokens' => 4096,
    'system' => '<string>',
    'metadata' => [
        'user_id' => '<string>'
    ],
    'stop_sequences' => [
        '<string>'
    ],
    'stream' => false,
    'tools' => [
        [
                'name' => '<string>',
                'input_schema' => [
                                
                ],
                'description' => '<string>'
        ]
    ],
    'output_config' => [
        'effort' => 'high'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($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://www.anyfast.ai/v1/messages"

	payload := strings.NewReader("{\n  \"model\": \"claude-opus-5\",\n  \"messages\": [\n    {\n      \"role\": \"user\",\n      \"content\": \"Hello, Claude!\"\n    }\n  ],\n  \"max_tokens\": 4096,\n  \"system\": \"<string>\",\n  \"metadata\": {\n    \"user_id\": \"<string>\"\n  },\n  \"stop_sequences\": [\n    \"<string>\"\n  ],\n  \"stream\": false,\n  \"tools\": [\n    {\n      \"name\": \"<string>\",\n      \"input_schema\": {},\n      \"description\": \"<string>\"\n    }\n  ],\n  \"output_config\": {\n    \"effort\": \"high\"\n  }\n}")

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

	req.Header.Add("Authorization", "Bearer <token>")
	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://www.anyfast.ai/v1/messages")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"model\": \"claude-opus-5\",\n  \"messages\": [\n    {\n      \"role\": \"user\",\n      \"content\": \"Hello, Claude!\"\n    }\n  ],\n  \"max_tokens\": 4096,\n  \"system\": \"<string>\",\n  \"metadata\": {\n    \"user_id\": \"<string>\"\n  },\n  \"stop_sequences\": [\n    \"<string>\"\n  ],\n  \"stream\": false,\n  \"tools\": [\n    {\n      \"name\": \"<string>\",\n      \"input_schema\": {},\n      \"description\": \"<string>\"\n    }\n  ],\n  \"output_config\": {\n    \"effort\": \"high\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://www.anyfast.ai/v1/messages")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"model\": \"claude-opus-5\",\n  \"messages\": [\n    {\n      \"role\": \"user\",\n      \"content\": \"Hello, Claude!\"\n    }\n  ],\n  \"max_tokens\": 4096,\n  \"system\": \"<string>\",\n  \"metadata\": {\n    \"user_id\": \"<string>\"\n  },\n  \"stop_sequences\": [\n    \"<string>\"\n  ],\n  \"stream\": false,\n  \"tools\": [\n    {\n      \"name\": \"<string>\",\n      \"input_schema\": {},\n      \"description\": \"<string>\"\n    }\n  ],\n  \"output_config\": {\n    \"effort\": \"high\"\n  }\n}"

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

{
  "id": "msg_01XFDUDYJgAACzvnptvVoYEL",
  "type": "message",
  "role": "assistant",
  "content": [
    {
      "type": "text",
      "text": "Hello! How can I help you today?"
    }
  ],
  "model": "claude-opus-5",
  "usage": {
    "input_tokens": 123,
    "output_tokens": 123,
    "cache_creation_input_tokens": 123,
    "cache_read_input_tokens": 123,
    "cache_creation": {
      "ephemeral_1h_input_tokens": 123,
      "ephemeral_5m_input_tokens": 123
    },
    "output_tokens_details": {
      "thinking_tokens": 123
    }
  },
  "stop_sequence": "<string>",
  "stop_details": {}
}

{
  "type": "error",
  "error": {
    "type": "invalid_request_error",
    "message": "Invalid request parameters"
  }
}

{
  "type": "error",
  "error": {
    "type": "invalid_request_error",
    "message": "Invalid request parameters"
  }
}

{
  "type": "error",
  "error": {
    "type": "invalid_request_error",
    "message": "Invalid request parameters"
  }
}