---
title: "Governing norm for a single BORME act type"
method: GET
path: "/api/v1/legal/act-map/{acto}"
tags: ["Legal"]
---

# Governing norm for a single BORME act type

`GET /api/v1/legal/act-map/{acto}`

## Request

- Base URL: `https://openmercantil.es`
- URL: `https://openmercantil.es/api/v1/legal/act-map/{acto}`
- Auth: one of:
  - none
  - API key in header `X-API-Key`
  - HTTP bearer
- TypeScript: <https://skmtc.dev/openmercantil/apis/openmercantil-public-api/docs/api/v1/legal/act-map/:acto/get.ts> (a function with typed inputs; its response is checked against the schema)

Return the norm + articles that govern a single BORME act type. License: BOE / Ley 37/2007. Informational only — NOT legal advice.

## Path parameters

- `acto` string, required

## Response `200`

Single act→norm mapping

- LegalActMapEntry: License/attribution/disclaimer envelope present in every legal-layer response. The legal corpus is consolidated BOE text re-used under Ley 37/2007 (NOT CC BY 4.0).
  - `act_type` string
  - `norm_slug` string
  - `norm_api_url` string, uri, nullable
  - `articles` string
  - `microtext` string
  - `concept_slug` string, nullable
  - `license` string
  - `license_url` string, uri
  - `attribution` string
  - `disclaimer` string
  - `generated_at` string, date-time

## 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.

## Changes

- **2026-07-26** `996f96a11758`: 105 info
  - api operation id `getLegalActMapByActo` was added
  - the endpoint scheme security `apiKey` was added to the API
  - the endpoint scheme security `bearerAuth` was added to the API
  - added the optional property `_alias_of` to the response with the `404` status
  - …101 more

[Operation history](https://skmtc.dev/openmercantil/apis/openmercantil-public-api/changes/api/v1/legal/act-map/:acto/get.md)

---

[API](https://skmtc.dev/openmercantil/apis/openmercantil-public-api.md) - [All operations](https://skmtc.dev/openmercantil/apis/openmercantil-public-api/llms.txt) - [OpenAPI document](https://skmtc.dev/openmercantil/apis/openmercantil-public-api/revisions/601ff6123c86?raw)