System Design

⏱ 5 min read What Is a Document Vault? A document vault is a secure long-term storage service for sensitive documents with strong access […] Read article

⏱ 5 min read What Is an Event Calendar System? An event calendar allows users to create, manage, and share events with support for Read article

⏱ 5 min read What Is an RSVP Service? An RSVP service manages attendance for events with limited or unlimited capacity. It handles registration, Read article

⏱ 5 min read What Is a Venue Booking Service? A venue booking service allows clients to search available venues, place holds, confirm reservations, Read article

⏱ 6 min read What Is a Tagging Service? A tagging service allows users and systems to attach descriptive labels (tags) to arbitrary entities Read article

⏱ 6 min read What Is a Label Management Service? A label management service provides colored, icon-adorned labels that users apply to entities such Read article

⏱ 6 min read What Is a Taxonomy Service? A taxonomy service manages a hierarchical category tree used to classify products, content, or other Read article

⏱ 6 min read What Is a Product Reviews Service? A product reviews service lets buyers leave written feedback and star ratings on items Read article

⏱ 6 min read What Is a Ratings Aggregation Service? A ratings aggregation service computes summary statistics over individual star ratings for products, sellers, Read article

⏱ 6 min read What Is a Review Moderation Service? A review moderation service enforces content policy on user-generated reviews before and after publication. Read article

⏱ 5 min read What Is a Supplier Integration Platform? A supplier integration platform connects an e-commerce or manufacturing system to external supplier systems Read article

⏱ 5 min read What Is a Reorder Point Service? A reorder point service determines when to replenish a SKU by comparing current stock Read article

⏱ 5 min read A payment method vault stores raw card data or network tokens on behalf of users, shielding the rest of the Read article

⏱ 5 min read A card tokenization service manages the lifecycle of network tokens — the scheme-issued surrogate credentials that replace PANs in merchant Read article

⏱ 5 min read A digest scheduler aggregates individual notifications that occurred within a time window into a single summary delivery. It reduces notification Read article