# Apier.no Knowledge API

**Canonical:** https://apis.io/apis/apier-no/apier-no-knowledge-api/  
**Provider:** Apier.no — https://apis.io/providers/apier-no/  
**Base URL:** https://www.apier.no  
**Documentation:** https://www.apier.no/docs/api

Apier.no Knowledge API is one of 16 APIs that [Apier.no](https://apis.io/providers/apier-no/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. This API exposes 6 JSON Schema definitions. Tagged areas include Knowledge. The published artifact set on APIs.io includes an OpenAPI specification and 6 JSON Schemas.

The Knowledge Catalog — canonical, machine-readable topic records answering what an agent needs to KNOW about Norwegian company authority and government-integration subjects (Altinn System Users, Maskinporten, company verification, signature rights, filing deadlines) before it acts. Zero-auth discovery surface outside /api/v1/; content is consolidated from Apier's docs guides and cross-references capabilities, MCP tools, and sibling topics strictly by id.

## Operations (2)

| Method | Path | Summary |
|---|---|---|
| GET | `/api/knowledge` | Knowledge Catalog index |
| GET | `/api/knowledge/{slug}` | One Knowledge Catalog topic (full record) |

## Machine-readable artifacts (7)

- **OpenAPI** — https://artifacts.apis.io/apier-no/openapi/apier-no-knowledge-api-openapi.yml
- **JSONSchema** — https://artifacts.apis.io/apier-no/json-schema/apier-no-company-context-schema.json
- **JSONSchema** — https://artifacts.apis.io/apier-no/json-schema/apier-no-trust-metadata-schema.json
- **JSONSchema** — https://artifacts.apis.io/apier-no/json-schema/apier-no-company-verification-schema.json
- **JSONSchema** — https://artifacts.apis.io/apier-no/json-schema/apier-no-sandbox-meta-schema.json
- **JSONSchema** — https://artifacts.apis.io/apier-no/json-schema/apier-no-error-code-schema.json
- **JSONSchema** — https://artifacts.apis.io/apier-no/json-schema/apier-no-signed-receipt-schema.json

## Other Apier.no APIs (12)

- [Apier.no Account API](https://apis.io/apis/apier-no/apier-no-account-api/)
- [Apier.no Actions API](https://apis.io/apis/apier-no/apier-no-actions-api/)
- [Apier.no Admin API](https://apis.io/apis/apier-no/apier-no-admin-api/)
- [Apier.no Altinn API](https://apis.io/apis/apier-no/apier-no-altinn-api/)
- [Apier.no Auth Gateway API](https://apis.io/apis/apier-no/apier-no-auth-gateway-api/)
- [Apier.no Brreg API](https://apis.io/apis/apier-no/apier-no-brreg-api/)
- [Apier.no Changes API](https://apis.io/apis/apier-no/apier-no-changes-api/)
- [Apier.no Company API](https://apis.io/apis/apier-no/apier-no-company-api/)
- [Apier.no Discovery API](https://apis.io/apis/apier-no/apier-no-discovery-api/)
- [Apier.no Fullmakt API](https://apis.io/apis/apier-no/apier-no-fullmakt-api/)
- [Apier.no Infrastructure API](https://apis.io/apis/apier-no/apier-no-infrastructure-api/)
- [Apier.no Privacy API](https://apis.io/apis/apier-no/apier-no-privacy-api/)

## Tags

Knowledge

---

Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/apier-no/apier-no-knowledge-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/apier-no/.