---
title: "Check policy-gated AEAT debtor-list mention"
method: GET
path: "/api/v1/company/{slug}/aeat-moroso"
tags: ["Companies", "Risk Signals"]
---

# Check policy-gated AEAT debtor-list mention

`GET /api/v1/company/{slug}/aeat-moroso`

Negative-claim route gated before lookup. It returns 503 until the exact AEAT dataset has validated reuse, identity-match and cite-or-abstain policy metadata. Appearance would be documentary only and never imply current liability.

## Path parameters

- `slug` string, required

## Response `200`

Debtor list mention or empty

- CompanyAeatDebtorResponse
  - `slug` string, required
  - `cif` string, nullable
  - `listed` boolean, required
  - `debt_eur` number, nullable
  - `period` string, nullable
  - `published_date` string, nullable
  - `history` JsonValue[]
    - union — A JSON value used only inside explicitly documented extension maps.
      - JsonValue[]
      - object

## Other responses

- `404` — Resource not found
- `429` — Rate limit exceeded
- `503` — Controlled fail-closed denial: the required dataset or legal layer is absent, invalid, unsupported or not authorized for this public surface.

---

[API](https://skmtc.net/openmercantil/apis/openmercantil-public-api.md) · [All operations](https://skmtc.net/openmercantil/apis/openmercantil-public-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/openmercantil/openmercantil-public-api/revisions/996f96a11758/schema)