---
title: "UK Hydrographic Office (@uk-hydrographic-office)"
description: "UKHO APIs: marine geospatial and ADMIRALTY data services from the UKHO GitHub org."
account: "uk-hydrographic-office"
---

# UK Hydrographic Office

UKHO APIs: marine geospatial and ADMIRALTY data services from the UKHO GitHub org.

## APIs

4 public APIs with a stored document.
Each links to its markdown overview; the same address with
`/llms.txt` in place of `.md` lists its operations.
Changes across these APIs: https://skmtc.dev/uk-hydrographic-office/feed.md

- [UKHO Shop Facade Service APIs](https://skmtc.dev/uk-hydrographic-office/apis/ukho-shop-facade-service-apis.md): Licensing: look up licence holdings and permits, submit orders, and fetch publication catalogues
- [UKHO File Share Service APIs](https://skmtc.dev/uk-hydrographic-office/apis/ukho-file-share-service-apis.md): Hydrographic data: list, search and download batches of files and their status
- [S100 Exchange Set Service API](https://skmtc.dev/uk-hydrographic-office/apis/s100-exchange-set-service-api.md): Hydrographic data: build S100 exchange sets by product name, version or update date
- [Exchange Set Service UI API](https://skmtc.dev/uk-hydrographic-office/apis/exchange-set-service-ui-api.md): Nautical charts: query product information and releasable changes to electronic navigational charts