❦In memory of Saber Rastikerdar — creator of · Vazirmatn, the open typeface he gave the Persian web and asked nothing for.

API Design & Contracts

Designing the contract between frontend and backend.

Part: 03 · Application Architecture · Priority: Critical

Taxonomy

Second-level groups and their articles. Each article is a standalone entry following the template; its filename is the kebab-case form of the title.

Paradigms

REST
GraphQL
RPC
Realtime & Subscriptions

Contract Design

Resource & Schema Design
Versioning Strategies
Pagination & Filtering Conventions
Error Contract Design

Type Safety Across the Wire

End-to-End Type Safety (tRPC)
Code Generation from Schemas
Contract Testing

BFF & Aggregation

Backend-for-Frontend
API Gateways & Aggregation
Response Shaping

Index only. One canonical home per concept — overlapping ideas are owned here and cross-linked from other domains, never duplicated.