Guides
Guides
Deep-dive walkthroughs — obligations, delegations, filings, errors.
[Cite this as: Apier.no Docs v0.1.0 — last updated 2026-04-22]
Long-form guides that cover Norwegian-specific terrain agents need to reason about. Each one is structured as:
- What the concept is
- How Apier models it
- A worked example against the sandbox
- Pitfalls + handover boundaries
Start with Understanding Norwegian Company Obligations.
Paying for the API
- Agent payments — the machine-first payment loop: price discovery, the 402 recovery contract, agent-initiated top-ups with human approval, and what an agent observes when a subscription lapses.
- Billing — the human-facing side: subscription tiers, prepaid credits, and invoices.
Authorization and identity
- Altinn System Users and the three-leg setup
- Signature Rights in a Norwegian Company
- Maskinporten Production Setup
- Maskinporten Key Rotation
Obligations, deadlines and filings
- Understanding Norwegian Company Obligations
- Norway Corporate Tax Return Deadline
- MVA filing workflow step by step
- Norwegian Company Annual Accounts
Company lookup
- Norwegian Company Register Search
- Unified company snapshot in one call
- Norwegian Company Data MCP Server
Building a reliable integration
Endpoint reference
Apier.no API contract — authoritative machine-readable spec at /openapi.json, with browsable per-endpoint docs grouped by capability.
Understanding Norwegian Company Obligations
How Apier models Norwegian regulatory obligations as versioned data — the rules, deadlines, and entity-type nuances an agent needs to reason correctly.