Scrawn SDK

What is Scrawn.js?

Scrawn.js is the official TypeScript SDK for integrating Scrawn's usage-based billing into your applications. It provides a simple, type-safe interface for tracking usage events and collecting payments via gRPC.

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Key Features

• Simple API - Track usage with a single function call
• Type-Safe - Full TypeScript support with auto-completion
• gRPC-Powered - Built on Connect-RPC for efficient communication
• Framework Agnostic - Works with any JavaScript framework
• Middleware Support - Built-in middleware with whitelist/blacklist patterns

Installation

Install Scrawn.js in your project:

bun add @scrawn/core

Quick Example

import { Scrawn } from '@scrawn/core';

const scrawn = new Scrawn({
  apiKey: process.env.SCRAWN_KEY as `scrn_${string}`,
  baseURL: process.env.SCRAWN_BASE_URL || 'http://localhost:8069',
});

// Track a billable event
await scrawn.sdkCallEventConsumer({
  userId: 'user-123',
  debitAmount: 100,
});