Blocks Reference

Browse the complete catalog of Blockend backend blocks. Each block is production-ready, type-safe, and framework-agnostic.

Select a block below to view detailed documentation, installation instructions, API reference, and usage examples.

Rate Limiter

rate-limiter

IP-based rate limiting middleware with pluggable storage strategies

Frameworks: express, fastify, hono4 variants

Global Error Handler

error-handler

Centralized Express error handling suite.

Frameworks: express1 variant

Structured Context Logger

logger

Framework-agnostic context logging engine.

Frameworks: express, fastify, hono3 variants

Request Validator

request-validator

Framework-agnostic request validation powered by Zod.

Frameworks: express, hono, fastify3 variants

Response Formatter

response-formatter

Framework-agnostic API response formatting.

Frameworks: express, hono, fastify3 variants

Environment Configuration

env-config

Type-safe environment variable validation using Zod.

Frameworks: Any Framework1 variantFramework-agnostic

System Health Check Monitoring

health-check

Framework-agnostic health assessment suite.

Frameworks: express, fastify, hono3 variants

Graceful Shutdown

graceful-shutdown

Dependency-free graceful shutdown with in-flight request draining and per-framework adapters

Frameworks: express, fastify, hono3 variants

Idempotency

idempotency

Exactly-once request execution with pluggable stores and cache, plus an Express adapter

Frameworks: express, fastify, hono3 variants

Adding a Block

To install any of these blocks into your project:

npx blockend-cli add <block-key>

First make sure your project is initialized:

npx blockend-cli init

Blocks Reference

Rate Limiter

Global Error Handler

Structured Context Logger

Request Validator

Response Formatter

Environment Configuration

System Health Check Monitoring

Graceful Shutdown

Idempotency

Adding a Block

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