API Guidelines Part C: API Development 2022

Status: ✅ Approved    Version: 1.0

Field	Value
ID	GUARD-API-003
Category	API
Subcategory	api-development
Type	guideline
Owner	API Platform Team
Approved by	—
Approved date	—
Review due	—

Description

Comprehensive technical guidelines for API development covering design principles, HTTP standards, API types (REST, GraphQL, AsyncAPI, gRPC), layering architecture, and implementation standards. Establishes minimum deliverables including interface specifications, code, policies, tests, and SLAs for API projects.

Source document

API guidelines — Part C: API development 2022 | NZ Digital government

Last fetched: 2026-04-02

Related guardrails

• GUARD-API-001 — API Guidelines — Part A: API Concepts and Management 2022
• GUARD-API-002 — API Security Guidelines — Part B (NZ Digital Government 2022)
• GUARD-GOV-001 — Digital Strategy 2.0 – National Digital Development Framework

Change history

Version	Date	Author	Summary
1.0	2026-04-02	auto-generated	Initial draft created from NZ Digital Government API Guidelines Part C: API Development 2022