# LSEG World-Check One Reference API

**Canonical:** https://apis.io/apis/lseg/lseg-world-check-one-reference-api/  
**Provider:** LSEG — https://apis.io/providers/lseg/  
**Base URL:** https://api-worldcheck.refinitiv.com/v2  
**Documentation:** https://developers.lseg.com/en/api-catalog/customer-and-third-party-screening/world-check-one-api

LSEG World-Check One Reference API is one of 16 APIs that [LSEG](https://apis.io/providers/lseg/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include KYC and Reference Data. The published artifact set on APIs.io includes API documentation and an OpenAPI specification.

Reference data for screening - countries, nationalities, providers, search filters, World-Check profiles and records, and PEP details.

## Operations (9)

| Method | Path | Summary |
|---|---|---|
| GET | `/reference/countries` | London Stock Exchange Group Get Map of country codes and country names |
| GET | `/reference/nationalities` | London Stock Exchange Group Get Map of nationality codes and nationality names |
| GET | `/reference/providers` | London Stock Exchange Group Get a list of available providers and their sources |
| GET | `/reference/identityDocumentLocationTypes` | London Stock Exchange Group Get identity document location types data set… |
| GET | `/reference/searchFilters` | London Stock Exchange Group Retrieves all search filters that are accessible to… |
| GET | `/reference/profile/{id}` | London Stock Exchange Group Get a profile by its ID |
| GET | `/reference/records/{id}` | London Stock Exchange Group Get a record by its ID |
| POST | `/reference/profile/{id}/pep` | London Stock Exchange Group Retrieves PEP details by the given profile ID |
| POST | `/reference/records/{id}/pep` | London Stock Exchange Group Retrieves PEP details by the given record ID |

## Machine-readable artifacts (3)

- **Documentation** — https://developers.lseg.com/en/api-catalog/customer-and-third-party-screening/world-check-one-api/documentation
- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/lseg/refs/heads/main/openapi/london-stock-exchange-group-reference-api-openapi.yml
- **Overlay** — https://raw.githubusercontent.com/api-evangelist/lseg/refs/heads/main/overlays/london-stock-exchange-group-reference-api-overlay.yaml

## Other LSEG APIs (12)

- [LSEG Intelligent Tagging (Open PermID) API](https://apis.io/apis/lseg/lseg-api/)
- [LSEG World-Check One Case API](https://apis.io/apis/lseg/lseg-world-check-one-case-api/)
- [LSEG World-Check One Media-Check API](https://apis.io/apis/lseg/lseg-world-check-one-media-check-api/)
- [LSEG World-Check One Smart Filter API](https://apis.io/apis/lseg/lseg-world-check-one-smart-filter-api/)
- [LSEG World-Check One Audit API](https://apis.io/apis/lseg/lseg-world-check-one-audit-api/)
- [LSEG World-Check One Case Rating API](https://apis.io/apis/lseg/lseg-world-check-one-case-rating-api/)
- [LSEG World-Check One Linked Cases API](https://apis.io/apis/lseg/lseg-world-check-one-linked-cases-api/)
- [LSEG World-Check One Group API](https://apis.io/apis/lseg/lseg-world-check-one-group-api/)
- [LSEG World-Check One User API](https://apis.io/apis/lseg/lseg-world-check-one-user-api/)
- [LSEG World-Check One Client Watchlist API](https://apis.io/apis/lseg/lseg-world-check-one-client-watchlist-api/)
- [LSEG World-Check One Reporting API](https://apis.io/apis/lseg/lseg-world-check-one-reporting-api/)
- [LSEG World-Check One Upcoming API](https://apis.io/apis/lseg/lseg-world-check-one-upcoming-api/)

## Tags

KYC, Reference Data

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/lseg/lseg-world-check-one-reference-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/lseg/.