34 guides
Tutorials
Follow one transactional email from a Node.js request to delivery-event handling, with sender setup, safe retries, signed webhooks, pricing, and retention.
Email & messaging · Developer tools & API operations · · 10 min read
Tutorials
In this walkthrough, we imported a synthetic OpenAPI document into Scalar, built one private TypeScript SDK, downloaded its source, and used it to make one request to a local mock.
Developer tools & API operations · · 5 min read
Tutorials
Add Firebase Authentication to React: email/password, Google OAuth, protected routes, server-side token verification, and auth state management. 2026 guide.
Identity & security · · 11 min read
Tutorials
Add Mapbox geocoding to your React app: forward geocoding, reverse lookup, autocomplete, and batch processing. Rate limits, pricing, and mistakes included.
Maps & location · · 11 min read
Tutorials
Build a Discord bot with TypeScript and discord.js v14: slash commands, embeds, interactive buttons, polls, and auto-moderation. Deploy to Railway or Fly.io.
Social & collaboration · · 13 min read
Tutorials
Build multi-provider AI apps: unified LLM interface, provider switching, fallback chains, and cost routing across OpenAI, Anthropic, and Groq. Full 2026 guide.
AI & machine learning · · 12 min read
Tutorials
Build a RAG app with Cohere: document chunking, Embed v4 embeddings, pgvector storage, reranking, conversational retrieval, and API route. Full walkthrough.
AI & machine learning · · 16 min read
Tutorials
Build a weather app with OpenWeatherMap: current conditions, 5-day forecast, city search, and unit toggle. Free tier covers 1M calls/month. Full React guide.
Weather & environment · · 12 min read
Tutorials
Build React Email templates and send via Resend: reusable components, welcome and receipt emails, live preview, and cross-client compatibility. 2026 guide.
Email & messaging · · 12 min read
Tutorials
Integrate Square payments in Node.js: Web Payments SDK, server-side charges, customer management, invoices, and subscriptions. With Square vs Stripe comparison.
Payments & billing · · 10 min read
Tutorials
Integrate Mux for video upload, encoding, and streaming. Covers direct uploads, playback, signed URLs, live streaming, and Mux Data analytics for 2026.
Files & media · · 11 min read
Tutorials
Step-by-step guide to building an analytics dashboard with Mixpanel — event tracking, funnels, retention, and custom reports via the Mixpanel API in 2026.
Analytics & customer data · · 10 min read
Explainers
Complete DocuSign API guide: envelope creation, embedded signing, templates, webhooks, and recipient routing for legally binding e-signatures in 2026.
Files & media · · 13 min read
Tutorials
Step-by-step guide to adding Algolia search — indexing data, building search UI with InstantSearch, faceted filtering, and analytics for React and Next.js.
Search & web data · · 10 min read
Tutorials
Add Meilisearch to your app in 2026: indexing, search UI, filters, facets, relevance tuning, deployment, and architecture tradeoffs.
Search & web data · · 11 min read
Tutorials
Step-by-step guide to integrating Google Maps in React — map display, markers, geocoding, directions, and place autocomplete with the Maps JavaScript API.
Maps & location · · 11 min read
