---
title: "Preview observed emissions for one reporting year"
method: GET
path: "/net-zero/inventory-preview"
---

# Preview observed emissions for one reporting year

`GET /net-zero/inventory-preview`

## Query parameters

- `periodStart` string, date, required
- `periodEnd` string, date, required

## Response `200`

Observed inventory preview

- NetZeroInventoryPreviewResponse
  - `data` NetZeroInventoryPreview, required
    - `calculationVersion` 'inventory-preview/v1', required
    - `diagnostics` NetZeroInventoryDiagnostics, required
      - `crossBoundaryRowCount` integer, required
      - `excludedNonCarbonRowCount` integer, required
      - `includedEmissionRowCount` integer, required
      - `missingScopeRowCount` integer, required
      - `unsupportedUnitRowCount` integer, required
    - `periodEnd` string, date, required
    - `periodStart` string, date, required
    - `scopes` NetZeroScopePreview[], required
      - `emissionRowCount` integer, required
      - `measuredKgCo2e` number, double, nullable, required
      - `monthsWithData` integer, required
      - `observedData` 'none' | 'some' | 'all_months', required
      - `scope` integer, required

## Other responses

- `400` — Bad Request
- `401` — Unauthorized
- `403` — Forbidden

---

[API](https://skmtc.dev/greentally/apis/esgai-api.md) · [All operations](https://skmtc.dev/greentally/apis/esgai-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/greentally/esgai-api/revisions/4fccdcaa5e57/schema)