Centralize FeathersJS Validation with AJV Service Hooks
Use one AJV JSON Schema in a FeathersJS before hook to validate REST and Socket.io payloads before they reach the database adapter.
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feathersjsOpenAPI 3.1 Migration Failures: When Validators Reject Retained 3.0 Keywords
Validators and code generators reject OpenAPI 3.1 specs when nullable, boolean exclusive bounds, and singular examples remain. Learn to diagnose and fix retained 3.0 patterns.
openapiManaging User Profiles with Ory Kratos Identity Schemas
Learn how to use Ory Kratos Identity Schemas to create flexible user profiles without constant database migrations, using JSON Schema for validation.
Fastify JSON Schemas as Executable API Contracts
Fastify compiles route-level JSON Schemas into validators and serializers. Here is how to use them as executable contracts, what breaks when schemas drift, and how to verify the behavior.
fastify
nodejsStop Trusting Your Payloads: Using JSON Schema for API Boundary Validation
Stop relying on manual null checks and try-catch blocks. Learn how to use JSON Schema to validate API payloads at the boundary, ensuring only clean data reaches your business logic.
Fastify Schema‑Driven Validation and Serialization as an API Boundary
Learn how to place JSON Schema validation at the edge of a Fastify service and enforce response contracts with hooks, plus the checks and failure modes to monitor.
Fastify Route Schemas: Trading Startup Time for Runtime Speed and Less Boilerplate
Route-level JSON Schema in Fastify compiles validation and serialization at startup, cutting handler boilerplate and often speeding responses—but it adds schema maintenance and boot cost.
Decoupling User Profiles with Ory Kratos Identity Schemas
Learn how to use Ory Kratos Identity Schemas to decouple user profile management from your database, allowing for flexible, JSON-driven user traits.
Choosing Between Full, Request‑Only, or No JSON Schema in Fastify Routes
Learn when to apply Full, Request‑Only, or no JSON Schema in Fastify routes, see a compact comparison table, and follow a concrete route‑level implementation with verification steps.