How do I get started with claw.zip?

Run npx claw-zip init in your terminal. It will walk you through credential setup and configuration. You can also sign up at claw.zip and create your first API key from the dashboard.

Will compression change my model outputs?

Our compression is designed to preserve semantic meaning. For most use cases, outputs are identical. If you need guaranteed verbatim passthrough, you can disable compression per-key from the dashboard.

What happens if claw.zip goes down?

claw.zip runs on Cloudflare Workers across 300+ global edge locations. In the unlikely event of an outage, you can point your config back to the Anthropic API directly — no data is locked in our system.

Can I use claw.zip with non-Anthropic models?

Currently, claw.zip is optimized for the Anthropic API (Claude models). Support for additional providers is on our roadmap.

Integration Guide

Using claw.zip with Node.js

Node.js applications can integrate claw.zip with a single configuration change — no code refactoring required. OpenClaw users in particular will find this the fastest path to significant cost savings on their Claude API usage.

Difficulty:Easy

Time:2 minutes

Before You Start

Prerequisites

→Node.js 18+
→An OpenClaw API key
→A claw.zip account and API key

Step-by-Step

Integration Steps

Step 1

Install the Anthropic SDK

Add the Anthropic SDK to your Node.js project.

bash

npm install @anthropic-ai/sdk

Step 2

Configure the client

Point the Anthropic client at claw.zip by changing the base URL.

javascript

const Anthropic = require('@anthropic-ai/sdk');

const client = new Anthropic({
  apiKey: process.env.ANTHROPIC_API_KEY,
  baseURL: 'https://api.claw.zip',
  defaultHeaders: {
    'x-api-key': process.env.CLAWZIP_API_KEY,
  },
});

Step 3

Use with Express

Here is an example using claw.zip with an Express.js server.

javascript

const express = require('express');
const app = express();
app.use(express.json());

app.post('/api/chat', async (req, res) => {
  const { message } = req.body;

  const response = await client.messages.create({
    model: 'claude-sonnet-4-20250514',
    max_tokens: 1024,
    messages: [{ role: 'user', content: message }],
  });

  res.json(response);
});

app.listen(3000);

Step 4

Use with streaming

claw.zip fully supports streaming responses. No changes needed.

javascript

const stream = await client.messages.stream({
  model: 'claude-sonnet-4-20250514',
  max_tokens: 1024,
  messages: [{ role: 'user', content: message }],
});

for await (const event of stream) {
  process.stdout.write(event.type);
}

Done

You Are All Set

Your Node.js application is now compressing all prompts through claw.zip. Streaming, tool use, and all other OpenClaw features work exactly the same.

Get Your API Key All Guides

More Guides

Other Integration Guides

[Easy]

Step 1

Install the Anthropic SDK

Add the Anthropic SDK to your Node.js project.

bash

npm install @anthropic-ai/sdk

Step 2

Configure the client

Point the Anthropic client at claw.zip by changing the base URL.

javascript

const Anthropic = require('@anthropic-ai/sdk');

const client = new Anthropic({
  apiKey: process.env.ANTHROPIC_API_KEY,
  baseURL: 'https://api.claw.zip',
  defaultHeaders: {
    'x-api-key': process.env.CLAWZIP_API_KEY,
  },
});

Step 3

Use with Express

Here is an example using claw.zip with an Express.js server.

javascript

const express = require('express');
const app = express();
app.use(express.json());

app.post('/api/chat', async (req, res) => {
  const { message } = req.body;

  const response = await client.messages.create({
    model: 'claude-sonnet-4-20250514',
    max_tokens: 1024,
    messages: [{ role: 'user', content: message }],
  });

  res.json(response);
});

app.listen(3000);

Step 4

Use with streaming

claw.zip fully supports streaming responses. No changes needed.

javascript

const stream = await client.messages.stream({
  model: 'claude-sonnet-4-20250514',
  max_tokens: 1024,
  messages: [{ role: 'user', content: message }],
});

for await (const event of stream) {
  process.stdout.write(event.type);
}

Using claw.zip with Node.js

Prerequisites

Integration Steps

Install the Anthropic SDK

Configure the client

Use with Express

Use with streaming

You Are All Set

Other Integration Guides

Using claw.zip with the Anthropic SDK

Using claw.zip with Docker

Using claw.zip with FastAPI

Using claw.zip with Node.js

Prerequisites

Integration Steps

Install the Anthropic SDK

Configure the client

Use with Express

Use with streaming

You Are All Set

Other Integration Guides

Using claw.zip with the Anthropic SDK

Using claw.zip with Docker

Using claw.zip with FastAPI