# Cernion MaStR Data Quality API

**Canonical:** https://apis.io/apis/cernion-de/cernion-de-mastr-data-quality-api/  
**Provider:** Cernion — https://apis.io/providers/cernion-de/  
**Base URL:** https://api.cernion.de  
**Documentation:** https://api.cernion.de/api/docs

Cernion MaStR Data Quality API is one of 144 APIs that [Cernion](https://apis.io/providers/cernion-de/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include MaStR Data Quality. The published artifact set on APIs.io includes an OpenAPI specification.

Deterministic 8-step MaStR portfolio quality audit (v0.17). Audits the entire VNB portfolio in MaStR: VNB identity → full inventory → status anomalies → capacity anomalies → connection point integrity → duplicate detection → geo spot check → audit trail. Returns a qualityScore (0–100) across 5 weighted dimensions. No LLM involvement. Steps 3–7 independently skippable via skipSteps parameter.

## Operations (5)

| Method | Path | Summary |
|---|---|---|
| POST | `/api/mastr-quality/audit` | Run MaStR portfolio quality audit (8-step, deterministic) |
| GET | `/api/mastr-quality/audits` | List past MaStR quality audit reports |
| GET | `/api/mastr-quality/audits/:id` | Get a specific MaStR quality audit report by ID |
| GET | `/api/mastr-quality/audits/:id/oemetadata` | Get OEMetadata v2.0 FAIR metadata for an audit report by ID |
| GET | `/api/mastr-quality/audits/:id/findings/:findingId/details` | Get details for a specific finding in an audit |

## Machine-readable artifacts (1)

- **OpenAPI** — https://artifacts.apis.io/cernion-de/openapi/cernion-de-mastr-data-quality-api-openapi.yml

## Other Cernion APIs (12)

- [Cernion Actor Personas API](https://apis.io/apis/cernion-de/cernion-de-actor-personas-api/)
- [Cernion Agent Manifest API](https://apis.io/apis/cernion-de/cernion-de-agent-manifest-api/)
- [Cernion Agent Receipts API](https://apis.io/apis/cernion-de/cernion-de-agent-receipts-api/)
- [Cernion Agent Sidecar API](https://apis.io/apis/cernion-de/cernion-de-agent-sidecar-api/)
- [Cernion Agnes Bottleneck API](https://apis.io/apis/cernion-de/cernion-de-agnes-bottleneck-api/)
- [Cernion AI Agent API](https://apis.io/apis/cernion-de/cernion-de-ai-agent-api/)
- [Cernion Altdaten Assessment API](https://apis.io/apis/cernion-de/cernion-de-altdaten-assessment-api/)
- [Cernion Analytics API](https://apis.io/apis/cernion-de/cernion-de-analytics-api/)
- [Cernion Assets API](https://apis.io/apis/cernion-de/cernion-de-assets-api/)
- [Cernion Authentication API](https://apis.io/apis/cernion-de/cernion-de-authentication-api/)
- [Cernion Automatisierungsradar API](https://apis.io/apis/cernion-de/cernion-de-automatisierungsradar-api/)
- [Cernion Battery Redispatch Special Gate API](https://apis.io/apis/cernion-de/cernion-de-battery-redispatch-special-gate-api/)

## Tags

MaStR Data Quality

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/cernion-de/cernion-de-mastr-data-quality-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/cernion-de/.