PASAR API

🇳🇿 NZ Post ~ address checker, labels & tracking API

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Developer portal for shipping, tracking and the Address Checker built on the ~1.8M-point Postal Address File (PAF).

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# NZ Post ~ address checker, labels & tracking API needs OAuth credentials ~ get yours at:
# https://www.nzpost.co.nz/business/ecommerce/developer-resource-centre
curl 'https://api.nzpost.co.nz' \
  -H 'Authorization: Bearer YOUR_TOKEN'

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I'm integrating a New Zealand API into my app.

API: NZ Post ~ address checker, labels & tracking API
Provider: NZ Post
Auth: requires OAuth credentials (sign up: https://www.nzpost.co.nz/business/ecommerce/developer-resource-centre)
Pricing: freemium
Base URL: https://api.nzpost.co.nz
Important note: Developer portal for shipping, tracking and the Address Checker built on the ~1.8M-point Postal Address File (PAF).

Source: NZ Post (https://www.nzpost.co.nz/business/ecommerce/developer-resource-centre)
Source type: Provider API or developer docs
Endpoint type: Provider API base URL
Integration difficulty: Needs OAuth
Last checked: 2026-07-05
Production caveat: Keep credentials server-side and confirm current limits, pricing, and webhook/error behaviour in the provider docs.

Help me set up the correct onboarding/authentication path and make the first valid request ~ explain exactly where credentials go and what must happen before production.

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