curl --request POST \
  --url https://toapis.com/v1/messages \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
    "model": "claude-sonnet-4-6",
    "max_tokens": 1024,
    "messages": [
      {
        "role": "user",
        "content": "Hello, tell me about yourself"
      }
    ]
  }'

curl --request POST \
  --url https://toapis.com/v1/messages \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
    "model": "claude-sonnet-4-6",
    "max_tokens": 1024,
    "system": "You are a professional coding assistant specializing in Python and Go.",
    "messages": [
      {
        "role": "user",
        "content": "Write a quicksort in Python"
      }
    ]
  }'

curl --request POST \
  --url https://toapis.com/v1/messages \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
    "model": "claude-sonnet-4-6",
    "max_tokens": 1024,
    "stream": true,
    "messages": [
      {
        "role": "user",
        "content": "Explain what recursion is"
      }
    ]
  }'

import anthropic

client = anthropic.Anthropic(
    api_key="your-ToAPIs-key",
    base_url="https://toapis.com"
)

message = client.messages.create(
    model="claude-sonnet-4-6",
    max_tokens=1024,
    messages=[
        {"role": "user", "content": "Hello, tell me about yourself"}
    ]
)

print(message.content[0].text)

import anthropic

client = anthropic.Anthropic(
    api_key="your-ToAPIs-key",
    base_url="https://toapis.com"
)

message = client.messages.create(
    model="claude-sonnet-4-6",
    max_tokens=1024,
    system="You are a professional coding assistant specializing in Python and Go.",
    messages=[
        {"role": "user", "content": "Write a quicksort in Python"}
    ]
)

print(message.content[0].text)

import anthropic

client = anthropic.Anthropic(
    api_key="your-ToAPIs-key",
    base_url="https://toapis.com"
)

with client.messages.stream(
    model="claude-sonnet-4-6",
    max_tokens=1024,
    messages=[
        {"role": "user", "content": "Explain what recursion is"}
    ]
) as stream:
    for text in stream.text_stream:
        print(text, end="", flush=True)

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

const client = new Anthropic({
  apiKey: "your-ToAPIs-key",
  baseURL: "https://toapis.com",
});

const message = await client.messages.create({
  model: "claude-sonnet-4-6",
  max_tokens: 1024,
  messages: [{ role: "user", content: "Hello, tell me about yourself" }],
});

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

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

const client = new Anthropic({
  apiKey: "your-ToAPIs-key",
  baseURL: "https://toapis.com",
});

const stream = await client.messages.stream({
  model: "claude-sonnet-4-6",
  max_tokens: 1024,
  messages: [{ role: "user", content: "Explain what recursion is" }],
});

for await (const chunk of stream) {
  if (
    chunk.type === "content_block_delta" &&
    chunk.delta.type === "text_delta"
  ) {
    process.stdout.write(chunk.delta.text);
  }
}

{
  "id": "msg_01XFDUDYJgAACzvnptvVoYEL",
  "type": "message",
  "role": "assistant",
  "content": [
    {
      "type": "text",
      "text": "Hello! I'm Claude, an AI assistant made by Anthropic. I can help with questions, analysis, coding, writing, and more. How can I help you today?"
    }
  ],
  "model": "claude-sonnet-4-6",
  "stop_reason": "end_turn",
  "usage": {
    "input_tokens": 12,
    "output_tokens": 35
  }
}

data: {"type":"message_start","message":{"id":"msg_01abc","type":"message","role":"assistant","content":[],"model":"claude-sonnet-4-6","stop_reason":null,"usage":{"input_tokens":12,"output_tokens":0}}}

data: {"type":"content_block_start","index":0,"content_block":{"type":"text","text":""}}

data: {"type":"content_block_delta","index":0,"delta":{"type":"text_delta","text":"Hello"}}

data: {"type":"content_block_delta","index":0,"delta":{"type":"text_delta","text":"! I'm Claude"}}

data: {"type":"content_block_stop","index":0}

data: {"type":"message_delta","delta":{"stop_reason":"end_turn"},"usage":{"output_tokens":35}}

data: {"type":"message_stop"}

{
  "type": "error",
  "error": {
    "type": "invalid_request_error",
    "message": "messages: field required"
  }
}

{
  "type": "error",
  "error": {
    "type": "authentication_error",
    "message": "Invalid API key"
  }
}

{
  "type": "error",
  "error": {
    "type": "rate_limit_error",
    "message": "Rate limit exceeded"
  }
}