dfsync

Open-source toolkit for reliable service-to-service communication.

dfsync provides a set of lightweight tools for building reliable communication between backend services, microservices and integrations.

The project focuses on predictable networking behavior, consistent error handling and TypeScript-first APIs.

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Why dfsync?

Most clients are designed for browser or general use.

dfsync focuses specifically on service-to-service communication and provides predictable networking behavior for backend systems.

Packages

Package	Description
@dfsync/client	HTTP client for service-to-service communication

@dfsync/client

A lightweight HTTP client designed for service-to-service communication.

NPM: https://www.npmjs.com/package/@dfsync/client

Home page: https://dfsyncjs.github.io

Full documentation: https://dfsyncjs.github.io/#/docs

Main features:

• typed responses
• request timeout support
• automatic JSON parsing
• consistent error handling
• auth support: bearer, API key, custom
• lifecycle hooks: beforeRequest, afterResponse, onError
• retry policies

Built for modern backend systems

dfsync is designed for reliable HTTP communication in:

• microservices
• internal APIs
• integration services
• background workers

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Install:

npm install @dfsync/client

Example:

import { createClient } from '@dfsync/client';

const client = createClient({
  baseUrl: 'https://api.example.com',
  retry: { attempts: 3 },
});

const users = await client.get('/users');

Project Structure

This repository uses a pnpm monorepo.

Setup:

corepack enable
pnpm install

packages/
  client/        main dfsync HTTP client package

examples/
  node-basic/    basic usage example

smoke/
  */             smoke tests verifying published packages

Roadmap

See the project roadmap:
https://github.com/dfsyncjs/dfsync/blob/main/ROADMAP.md