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Notifyflow is an open-source, high-performance multi-channel notification infrastructure designed for modern developer teams. Rather than hardcoding delivery configurations directly in your applications or wrapping multiple vendor SDKs, Notifyflow acts as a unified gateway for all your transactional notifications.

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The Problem

As application codebases grow, managing notifications becomes complex:
  • Vendor Lock-in: Code is tightly coupled to Resend, SendGrid, Twilio, or other APIs.
  • Reputation & Delivery Risks: Using shared or managed IP pools can result in delivery failures if another customer misbehaves.
  • Lack of Visibility: It’s hard to trace whether a notification actually reached a recipient, failed, or was retried.
  • Complex Orchestration: Building retry queues, dead-letter loops, and rate limiters from scratch takes weeks.

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The BYOK (Bring Your Own Keys) Solution

Notifyflow solves this by adopting a Bring Your Own Keys (BYOK) architecture. You get the developer experience of a managed API gateway while retaining absolute control over your keys, sending reputation, and provider configurations.

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Core Strengths

  • One Unified Endpoint: Dispatch Email, Webhooks, In-App feeds, and SMS via a single payload schema.
  • High-Throughput Queueing: Powered by Redis and BullMQ, handling high traffic volumes without slowing down client threads.
  • Intelligent Retry Pipeline: Failed dispatches automatically undergo 4 retry attempts with exponential backoff before landing in a Dead-Letter Queue (DLQ).
  • Zero Overhead: No heavy SDK packages required. Control everything via standardized JSON API payloads.

Quickstart Guide

Learn how to send your first notification in under 10 minutes.