457 guides
Tutorials
Add PostHog analytics in 2026 — event tracking, feature flags, session replay, funnels, GDPR compliance, and a comparison of self-hosted vs cloud deployment.
Analytics & customer data · · 10 min read
Tutorials
Step-by-step guide to web push notifications — service workers, notification permission, Firebase Cloud Messaging, and OneSignal integration for 2026.
Email & messaging · · 14 min read
Tutorials
Add Stripe payments to a Next.js App Router app with Checkout Sessions, subscriptions, signed webhooks, Billing Portal, env vars, and a production checklist.
Payments & billing · · 17 min read
Tutorials
Design a public API around onboarding, documentation, pricing clarity, reliability, and developer feedback, with named vendors used only as documented examples.
Developer tools & API operations · · 7 min read
Tutorials
Step-by-step guide to building a Slack bot — Bolt framework setup, slash commands, interactive messages, modals, and deployment to production in 2026.
Social & collaboration · · 11 min read
Tutorials
Build an AI chatbot with the Anthropic API in 2026 — streaming, conversation history, tool use, extended thinking, and production deployment in Next.js.
AI & machine learning · · 13 min read
Tutorials
Build API SDKs developers actually adopt: auth ergonomics, error types, auto-pagination, retry logic, code generation, and documentation patterns for 2026.
Developer tools & API operations · · 7 min read
Tutorials
API caching strategies in 2026 — HTTP caching, Redis, edge caching, stale-while-revalidate, cache invalidation patterns for faster, cheaper API usage.
Developer tools & API operations · · 11 min read
Tutorials
Step-by-step guide to URL shortening with Bitly API — create short links, custom domains, QR codes, click analytics, and bulk shortening Updated for 2026.
Developer tools & API operations · · 14 min read
Tutorials
Debug API problems fast in 2026 — tools for inspecting requests, diagnosing timeouts, tracing errors, and fixing the most common API integration issues.
Developer tools & API operations · · 11 min read
Tutorials
Design predictable REST APIs with current HTTP semantics, precise status codes, machine-readable errors, pagination, PATCH formats, and explicit version policies.
Developer tools & API operations · · 7 min read
Checklists
A practical framework for evaluating APIs before committing — reliability, DX, pricing, security, and the 7 factors that matter most to developers in 2026.
Developer tools & API operations · · 8 min read
Tutorials
Practical patterns for handling API rate limits in 2026 — exponential backoff, token buckets, queue-based processing, and provider-specific strategies.
Developer tools & API operations · · 12 min read
Tutorials
Build reliable webhook handlers — signature verification, idempotent processing, retry handling, dead letter queues, and monitoring webhook health in 2026.
Developer tools & API operations · · 12 min read
Tutorials
Step-by-step guide to magic link authentication with Node.js — token generation, email delivery, session management, and security best practices in 2026.
Identity & security · · 13 min read
Tutorials
Step-by-step guide to adding OAuth 2.0 authentication with Auth0 — login, signup, social providers, JWT verification, and role-based access in Next.js.
Identity & security · · 10 min read
Step-by-step checklist: auth setup, rate limit handling, error codes, SDK evaluation, and pricing comparison for 50+ APIs. Used by 200+ developers.
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