LSEG World-Check One Case API
Create, screen, update, archive, assign, link, and search screening cases; review and resolve screening results; enable ongoing screening and retrieve ongoing screening updates for KYC and third-party due diligence.
LSEG World-Check One Case API is one of 15 APIs that London Stock Exchange Group publishes on the APIs.io network, described by a machine-readable OpenAPI specification.
Tagged areas include KYC, Screening, Compliance, and Cases. The published artifact set on APIs.io includes API documentation and an OpenAPI specification.
This API exposes 30 operations across 24 paths, and defines 99 schemas. It is described by OpenAPI 3.2.0, at version 2.61.0.
Requests are made against a single base URL, https://api-worldcheck.refinitiv.com/v2.
30 operations
24 paths
99 schemas
4 DELETE3 GET1 HEAD1 PATCH15 POST6 PUT
Metadata
The identity and technical contract details declared by the specification.
Paths & Operations 30
Across 24 paths, the API surfaces 30 operations — 4 DELETE, 3 GET, 1 HEAD, 1 PATCH, 15 POST, 6 PUT. Each is listed below with its method, path, parameters, and response codes.
Case 30
Operations for the case domain.
HEAD
/caseIdentifiers
London Stock Exchange Group Check if a given caseId is available for use
GET
/caseReferences
London Stock Exchange Group Return the CaseReference (caseId, caseSystemId) for…
POST
/cases
London Stock Exchange Group Create a new case
POST
/cases/screeningRequest
London Stock Exchange Group Perform synchronous screening for a new case
PUT
/cases/{caseSystemId}
London Stock Exchange Group Update an existing Case by its caseSystemId
PATCH
/cases/{caseSystemId}
London Stock Exchange Group Partial update an existing Case by its caseSystemId
GET
/cases/{caseSystemId}
London Stock Exchange Group Fetch Full Case Details
DELETE
/cases/{caseSystemId}
London Stock Exchange Group Delete a Case
POST
/cases/{caseSystemId}/screeningRequest
London Stock Exchange Group Request full or delta screening for an existing Case
PUT
/cases/{caseSystemId}/ongoingScreening
London Stock Exchange Group Enable OGS for a Case
DELETE
/cases/{caseSystemId}/ongoingScreening
London Stock Exchange Group Disable OGS for a Case
PUT
/cases/{caseSystemId}/archive
London Stock Exchange Group Archive a Case
DELETE
/cases/{caseSystemId}/archive
London Stock Exchange Group Unarchive a Case
POST
/cases/bulk/archive
London Stock Exchange Group Bulk Update Archive States
POST
/cases/bulk/assign
London Stock Exchange Group Bulk Update Case Assignments
POST
/cases/bulk/delete
London Stock Exchange Group Bulk Delete Cases
POST
/cases/bulk/move
London Stock Exchange Group Bulk Move Cases Between Groups
POST
/cases/bulk/ongoingScreening
London Stock Exchange Group Bulk Update Ongoing Screening States
POST
/cases/bulk/link
London Stock Exchange Group Bulk Update Case Links
GET
/cases/{caseSystemId}/results
London Stock Exchange Group Get collection of Results for a Case by its…
PUT
/cases/{caseSystemId}/results/review
London Stock Exchange Group Add a review remark to the specified result IDs for…
PUT
/cases/{caseSystemId}/results/resolution
London Stock Exchange Group Resolves a list of results
POST
/cases/ongoingScreeningUpdates
London Stock Exchange Group Get ongoing screening updates
PUT
/cases/{caseSystemId}/assignee
London Stock Exchange Group Assign the Case to a User
DELETE
/cases/{caseSystemId}/assignee
London Stock Exchange Group Unassign a Case
POST
/cases/search
London Stock Exchange Group Search for Cases based on specified criteria using…
POST
/cases/summaries
London Stock Exchange Group User activity monitoring. Initial request
POST
/cases/summaries/cursor
London Stock Exchange Group User activity monitoring. Subsequent request
POST
/cases/saveAndScreen
London Stock Exchange Group Save and screen multiple cases
POST
/cases/screeningStatus
London Stock Exchange Group Retrieve case screening status and aggregated…
Schemas 99
The contract defines 99 schemas that model the data the API accepts and returns. The most detailed are Entity (30 properties), EntityUpdatedDates (29 properties), CaseDetailed (28 properties), ScreeningResultCollection (21 properties). Each schema is shown below with its type and property counts.
TranslatedEntity
object
Representation of translated entity.
2 properties
CaseBulkMoveRequest
object
A request body on Bulk Move Cases
3 properties
2 required
EntityUpdatedDates
object
29 properties
ContactDetail
object
3 properties
1 required
CaseSearchResponse
object
A response model containing a result set of searched Cases with the requested details.
ProviderSource
object
12 properties
5 required
PaginationReferenceRequest
object
Request model for defining pagination options.
2 properties
PaginationReferenceResponse
object
Response model containing pagination details.
3 properties
AccelusUserLoginAccountStatus
string
The status of the User login account.
OngoingScreeningUpdateSearchResponse
object
Search response containing a collection of OngoingScreeningUpdate s. Extends [SearchResponse](SearchResponse).
IdentityDocument
object
7 properties
Country
object
2 properties
2 required
CaseBulkOngoingScreeningRequest
object
A request body on Bulk Update Ongoing Screening States
3 properties
2 required
Error
object
3 properties
2 required
ProviderSourceTypeCategoryDetail
object
3 properties
Case
object
Defines full Case data returned when retrieving a Case. Extends [NewCase](NewCase).
ScreeningRequest
object
Defines Case data that can be sent when creating a synchronous screening request for a new Case. Extends [NewCase](NewCase).
Weblink
object
3 properties
EventType
string
Event Type Enumeration.
ResultsResolutionAction
object
Represents the request details required for resolving Results. Resolution ids (i.e. statusId, riskId) as well as the resultIds of the results to be resolved ar…
ItemIdentifier
object
Represents the details (ID and label) of an individual item value.
2 properties
IdentityDocumentLocationType
object
Represents the type of identity document location that includes the type of document, name, country and what type of entity it belongs to.
4 properties
MediaCheckResultSummary
object
Match summary for results with provider type MEDIACHECK
2 properties
ProviderType
string
Provider Type Enumeration
AbstractCaseSearchModel
object
Request model used to search within, sort across, paginate through, and filter down the set of Cases. A model contains 'query', 'filter' expression, which is w…
4 properties
OngoingScreeningRequest
object
Request containing ongoing screening details
2 properties
1 required
Name
object
8 properties
2 required
NewCase
object
Defines Case data that can be sent when creating a new Case. Extends [AbstractCase](AbstractCase).
CaseBulkResponse
object
Cases Archived / Unarchived Bulk Response
1 property
1 required
CaseBulkLinkRequest
object
Case Bulk Link Request
2 properties
2 required
Entity
object
Represents a specific entity - usually corresponding to an individual or an organisation - that can appear as a potential screening result against a Case. Syno…
30 properties
5 required
ActionDetail
object
12 properties
1 required
FileMeta
object
3 properties
2 required
ScreeningStatusRequestCollection
object
Collection of 'ScreeningStatusRequest'. The maximum number of cases is configured in account settings.
2 properties
AbstractField
object
Generic Field representing a Custom Field or a Secondary Field.
1 property
1 required
CaseEntityType
string
Case entity type enumeration.
ScreeningStatusRequest
object
Contains 'caseSystemId' and presumptive screening timestamp which should be checked.
2 properties
Result
object
Result found after performing a synchronous screening of a Case. This contains the abstract case screening result details plus includes identity documents and…
Address
object
5 properties
EntityType
string
Entity type of the case.
PageReference
object
Model representing references to previous and next pages.
3 properties
CaseSummaryFilterResponse
object
Filter the response
2 properties
CursorOptions
object
1 property
Provider
object
4 properties
Cursor
object
Identifier which allows retrieving next N cases.
1 property
1 required
ProviderTypeSummaryResult
object
Contains enabled in the case provider types and their aggregated screening results.
5 properties
Event
object
Event related to Entity.
7 properties
1 required
CaseBulkStatus
object
Case Bulk Status
3 properties
2 required
AbstractAssociate
object
The AbstractAssociate subclasses corresponding to each type of entity are: COUNTRY: CountryAssociate INDIVIDUAL: IndividualAssociate ORGANISATION: Organisation…
12 properties
2 required
OngoingScreeningUpdate
object
Respresents an update on the results of the Case identified by caseSystemId indicating that there are some new or updated results as a result of ongoing screen…
4 properties
2 required
UserSummary
object
9 properties
4 required
MediaCheckCaseDetails
object
Details about the Media-Check settings on a case (e.g., smart filter).
1 property
1 required
CaseDetailsCollection
object
Container of cases, that is used in scope of creation operation.
5 properties
3 required
CaseBulkDeleteRequest
object
A request body on Bulk Delete Cases
2 properties
1 required
CaseScreeningRequest
object
Defines Case Screening Request that could be sent for an existing Case.
2 properties
ScreeningResultCollection
object
Contains an array of Watchlist Screening Result objects from a synchronous screening operation.
21 properties
5 required
CaseBulkLinkRequestCollection
object
A request body on Bulk Update Case Links
4 properties
3 required
OngoingScreeningProviderType
string
Ongoing screening supported provider types
Filter
object
Filter the response
3 properties
SortCriterion
object
Sort specification
2 properties
CountryLink
object
3 properties
2 required
CaseScreeningResultCollection
object
Contains an array of Watchlist Screening Result objects from a synchronous screening operation.
2 properties
SearchResponse
object
Common fields used in search responses. These fields are included in response types, and objects of this type are not returned directly.
4 properties
1 required
CaseDetailLevel
string
Enumeration that defines the detail level of the search response: - 'CASE': The search response will provide full Case details. - 'CASEANDRESULTS': The search…
SecondaryFieldResult
object
Belongs to a Result and provides the details of the comparison of the Case's secondary field with the corresponding field in the reference data. Extends [Abstr…
AbstractCase
object
Defines Case data that can be sent when creating or updating a Case. Note that availability and definitions of 'customFields' and 'secondaryFields' should be o…
7 properties
CaseBulkAssignRequest
object
A request body on Bulk Update Case Assignments
3 properties
1 required
Resolution
object
Resolution details of a Result.
CaseSearchResultResponse
object
Search response containing N cases matched searching criteria.
CaseSearchRequest
object
Request model used to search within, sort across, paginate through, and filter down the set of Cases.
ProviderSourceType
object
3 properties
AbstractScreeningResult
object
Generic common Result fields returned after a Case is screened
17 properties
1 required
CaseDetails
object
Representation of a single case that is used for case creation operation. Defines Case data that can be sent when creating a new Case.
5 properties
2 required
CaseSummaryResult
object
Represents an update on the results of the Case identified by 'caseSystemId' indicating that there are some new or updated results as a result of ongoing scree…
9 properties
1 required
CaseDetailed
object
Defines complete Case data returned during a search operation. This model provides detailed information about a Case.
28 properties
Detail
object
3 properties
UpdateCase
object
Defines Case data that can be sent when updating a Case. Extends [AbstractCase](AbstractCase).
1 property
CaseReference
object
Container of 'caseId' and 'caseSystemId'.
2 properties
2 required
ProviderTypeDetails
object
Details about the specific provider type.
1 property
1 required
CaseResultSummaries
object
Case Statistics contains the Category and the count for all the results in the Case.
5 properties
AbstractResolution
object
Abstract resolution object
4 properties
CaseBulkArchiveRequest
object
A request body on Bulk Update Archive States
3 properties
2 required
ScreeningStatusResponse
object
Contains status and aggregated screening result for each requested case. If 'requestFromScreenedDate' less than 'lastScreenedDate' then status equals 'NOTSCREE…
5 properties
4 required
PaginationResponse
object
Outbound - used to describe paginated partial result sets
Review
object
Review details of a Result.
4 properties
CaseReferenceDetails
object
Reference representation of a single case that is used for case creation operation. Defines Case data that was saved or not valid.
6 properties
1 required
ResultsReview
object
Entity to set the review remark of supplied result IDs
2 properties
2 required
Assignee
object
2 properties
1 required
StatusType
string
Enumeration of Status types
LanguageCode
object
2 properties
ClientWatchlistResultSummary
object
Match summary for results with provider type CLIENTWATCHLIST
3 properties
Pagination
object
Inbound - the pagination to apply to the query.
2 properties
2 required
Field
object
Holds the value of a Custom Field or a Secondary Field. Valid value type for this field is specified in the corresponding FieldDefinition of CaseTemplateRespon…
WatchlistResultSummary
object
Match summary for results with provider type WATCHLIST
4 properties
PartialUpdateCase
object
Defines Case data that can be sent when updating a Case partially. Extends [AbstractCase](AbstractCase).
1 property
CaseSearchUserSummary
object
1 property
1 required
CaseSummaryFilter
object
Defines search criteria, sorting and items count in the response.
Image
object
6 properties
1 required
MatchedTerm
object
Matched term of a Result.
3 properties
Specification
The full machine-readable OpenAPI contract behind this narrative.
Source
More from London Stock Exchange Group 12
Other APIs London Stock Exchange Group publishes across the network.
LSEG World-Check One Media-Check API
LSEG World-Check One Smart Filter API
LSEG World-Check One Audit API
LSEG World-Check One Case Rating API
LSEG World-Check One Linked Cases API
LSEG World-Check One Group API
LSEG World-Check One User API
LSEG World-Check One Reference API
LSEG World-Check One Client Watchlist API
LSEG World-Check One Reporting API
LSEG World-Check One Upcoming API
LSEG World-Check One Passport Check API
#KYC#Screening#Compliance#Cases
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