# Thomson Reuters Entities API **Canonical:** https://apis.io/apis/thomson-reuters/thomson-reuters-entities-api/ **Provider:** Thomson Reuters — https://apis.io/providers/thomson-reuters/ **Base URL:** https://api.onesourcetax.com/administration/v1/financial-hierarchies **Documentation:** https://developers.thomsonreuters.com/ Thomson Reuters Entities API is one of 324 APIs that [Thomson Reuters](https://apis.io/providers/thomson-reuters/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. This API exposes 163 JSON Schema definitions. Tagged areas include Entities. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and 163 JSON Schemas. The Entities API from Thomson Reuters — 11 operation(s) for entities. ## Operations (24) | Method | Path | Summary | |---|---|---| | GET | `/administration/v1/entities` | Retrieves a list of existing entities | | POST | `/administration/v1/entities` | Create a new entity | | PATCH | `/administration/v1/entities` | Updates a list of existing entities | | GET | `/administration/v1/entities/versions/{versionId}` | Retrieve specific version of an existing entity with all its attributes | | PUT | `/administration/v1/entities/versions/{versionId}` | Update an existing version for a particular entity | | GET | `/administration/v1/entities/{entityId}` | Retrieve latest version of an ACTIVE and DISABLED entity with all its attributes | | PATCH | `/administration/v1/entities/{entityId}` | Updates status of existing entity from ACTIVE to DISABLED | | PUT | `/administration/v1/entities/{entityId}` | Update latest version of an existing entity | | DELETE | `/administration/v1/entities/{entityId}` | Delete an existing entity | | GET | `/administration/v1/entities/{entityId}/versions` | Retrieves all versions for a particular entity | | POST | `/administration/v1/entities/{entityId}/versions` | Creates new version for a particular entity | | GET | `/administration/v1/entities/custom-field/types` | Retrieves all custom field types | | POST | `/administration/v1/entities/custom-field` | Creates new custom field for a particular client and tenant | | GET | `/administration/v1/entities/custom-field` | Retrieves a list of existing custom fields | | GET | `/administration/v1/entities/custom-field/{id}` | Retrieve custom field by ID in entities | | PATCH | `/administration/v1/entities/custom-field/{id}` | Updating the custom field | | GET | `/master-data/entities` | Fetch all entities | | POST | `/master-data/entities` | Create entities | | GET | `/master-data/entities/{id}` | Fetch entity details by id | | PUT | `/master-data/entities/{id}` | Update an entity | | DELETE | `/master-data/entities/{id}` | Delete an entity | | GET | `/master-data/entity-hierarchy` | Fetch all groups and child entities | | POST | `/master-data/entity-hierarchy-nodes/{id}` | Create entity group structure | | DELETE | `/master-data/entity-hierarchy-nodes/{id}` | Delete an entity group | ## Machine-readable artifacts (262) - **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/thomson-reuters/refs/heads/main/openapi/thomson-reuters-entities-api-openapi.yml - **Documentation** — https://developers.thomsonreuters.com/pages/api-catalog/2A8320F8-60E8-2D73-A3F0-0D097B720566 - **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/thomson-reuters/refs/heads/main/json-schema/thomson-reuters-custom-level4-node-response-schema.json - **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/thomson-reuters/refs/heads/main/json-schema/thomson-reuters-api-collection-financial-hierarchy-branch-response-schema.json - **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/thomson-reuters/refs/heads/main/json-schema/thomson-reuters-api-collection-financial-hierarchy-node-response-schema.json - **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/thomson-reuters/refs/heads/main/json-schema/thomson-reuters-custom-level4-node-request-schema.json - **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/thomson-reuters/refs/heads/main/json-schema/thomson-reuters-id-response-string-schema.json - **Documentation** — https://developers.thomsonreuters.com/pages/api-catalog/2074AAC5-1C5E-2FF4-01D9-3B3E12470E4E - **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/thomson-reuters/refs/heads/main/json-schema/thomson-reuters-predictive-mapping-request-schema.json - **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/thomson-reuters/refs/heads/main/json-schema/thomson-reuters-predictive-mapping-response-financial-hierarchy-dto-schema.json - **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/thomson-reuters/refs/heads/main/json-schema/thomson-reuters-predictive-feedback-request-schema.json - **Documentation** — https://developers.thomsonreuters.com/pages/api-catalog/4A4ED3B6-3CF9-A7AA-9D0B-7B498E084A66 - **Documentation** — https://developers.thomsonreuters.com/pages/api-catalog/3A3301AC-8457-530C-A784-CE7EF7400372 - **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/thomson-reuters/refs/heads/main/json-schema/thomson-reuters-transaction-extract-request-schema.json - **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/thomson-reuters/refs/heads/main/json-schema/thomson-reuters-parameters-response-schema.json - **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/thomson-reuters/refs/heads/main/json-schema/thomson-reuters-transaction-extract-response-schema.json - **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/thomson-reuters/refs/heads/main/json-schema/thomson-reuters-api-info-response-schema.json - **Documentation** — https://developers.thomsonreuters.com/pages/api-catalog/AA887EC9-9ADD-9096-871D-5482B80A5B52 - **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/thomson-reuters/refs/heads/main/json-schema/thomson-reuters-topic-dto-schema.json - **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/thomson-reuters/refs/heads/main/json-schema/thomson-reuters-topic-download-dto-schema.json - **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/thomson-reuters/refs/heads/main/json-schema/thomson-reuters-topic-download-list-dto-schema.json - **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/thomson-reuters/refs/heads/main/json-schema/thomson-reuters-api-collection-topic-record-dto-schema.json - **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/thomson-reuters/refs/heads/main/json-schema/thomson-reuters-topic-record-values-dto-schema.json - **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/thomson-reuters/refs/heads/main/json-schema/thomson-reuters-api-collection-topic-dto-schema.json - **Documentation** — https://developers.thomsonreuters.com/pages/api-catalog/31e1b889-f210-4d5b-9bcf-635010703dc9 - **Documentation** — https://developers.thomsonreuters.com/pages/api-catalog/31888b43-b888-4dd6-a7b7-2e067dbf888e - **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/thomson-reuters/refs/heads/main/json-schema/thomson-reuters-tax-provision-detail-schema.json - **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/thomson-reuters/refs/heads/main/json-schema/thomson-reuters-tax-provision-schema.json - **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/thomson-reuters/refs/heads/main/json-schema/thomson-reuters-state-provision-detail-schema.json - **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/thomson-reuters/refs/heads/main/json-schema/thomson-reuters-state-provision-schema.json - **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/thomson-reuters/refs/heads/main/json-schema/thomson-reuters-effective-tax-rate-schema.json - **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/thomson-reuters/refs/heads/main/json-schema/thomson-reuters-payable-schema.json - **Documentation** — https://developers.thomsonreuters.com/pages/api-catalog/a1deda95-6752-46bb-80c4-077adf399b0b - **Documentation** — https://developers.thomsonreuters.com/pages/api-catalog/f2b3d8b9-9f8e-4a45-bc9e-3c2f5e1a7c72 - **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/thomson-reuters/refs/heads/main/json-schema/thomson-reuters-account-model-schema.json - **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/thomson-reuters/refs/heads/main/json-schema/thomson-reuters-partnership-k1-schema.json - **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/thomson-reuters/refs/heads/main/json-schema/thomson-reuters-operation-model-schema.json - **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/thomson-reuters/refs/heads/main/json-schema/thomson-reuters-account-response-model-schema.json - **Documentation** — https://developers.thomsonreuters.com/pages/api-catalog/B2230E9D-2AF1-4898-97B8-AE02DDD77148 - **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/thomson-reuters/refs/heads/main/json-schema/thomson-reuters-trta-athena-models-api-v4-chart-of-accounts-chart-of-accounts-reponse-schema.json - …and 222 more, listed in full on the page. ## Other Thomson Reuters APIs (12) - [Thomson Reuters Westlaw API](https://apis.io/apis/thomson-reuters/westlaw-api/) - [Thomson Reuters Checkpoint API](https://apis.io/apis/thomson-reuters/checkpoint-api/) - [Thomson Reuters Risk and Fraud API](https://apis.io/apis/thomson-reuters/risk-fraud-api/) - [Datasets API](https://apis.io/apis/thomson-reuters/datasets-api/) - [Exports API](https://apis.io/apis/thomson-reuters/exports-api/) - [Tax Return Import/Export API](https://apis.io/apis/thomson-reuters/tax-return-import-export-api/) - [Companies API](https://apis.io/apis/thomson-reuters/companies-api/) - [Prints API](https://apis.io/apis/thomson-reuters/prints-api/) - [Reports API](https://apis.io/apis/thomson-reuters/reports-api/) - [Firms API](https://apis.io/apis/thomson-reuters/firms-api/) - [Matters API](https://apis.io/apis/thomson-reuters/matters-api/) - [Users API](https://apis.io/apis/thomson-reuters/users-api/) ## Tags Entities --- Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/thomson-reuters/thomson-reuters-entities-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/thomson-reuters/.