# Thomson Reuters Workpapers API **Canonical:** https://apis.io/apis/thomson-reuters/thomson-reuters-workpapers-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 Workpapers 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 Workpapers. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and 163 JSON Schemas. Get/Add/Edit/Move workpapers and manage documents ## Operations (14) | Method | Path | Summary | |---|---|---| | GET | `/external/v1/workpapers/tree-data/{engagementId}` | Retrieve all binder items (workpapers and folders) for an engagement | | GET | `/external/v1/workpapers/folder-structure/{engagementId}` | Retrieve hierarchical folder structure of workpapers for an engagement | | GET | `/external/v1/workpapers/load-all-workpaper-properties/{workpaperId}` | Retrieve all properties of a specific workpaper | | GET | `/external/v1/workpapers/load-editable-workpaper-properties/{workpaperId}` | Retrieve only editable properties of a workpaper for modification | | GET | `/external/v1/SignOff/get-all-signoffs` | Retrieve all active sign-off types for workpapers | | GET | `/external/v1/workpapers/get-binder-itemsExternal/{engagementId}` | Retrieve binder items (folders and workpapers) available for move operations | | POST | `/external/v1/workpapers/add-with-file` | Create a new workpaper with file upload (max 95MB) | | POST | `/external/v1/workpapers/add-metadata` | Add workpaper with metadata only (no file upload) | | POST | `/external/v1/documentmanagement/upload-chunk/{documentId}` | Upload large documents in chunks (max 10MB per chunk) | | GET | `/external/v1/documentmanagement/chunk-status/{documentId}` | Check the upload status of a chunked document upload by document ID | | PUT | `/external/v1/workpapers/update-workpaper-properties` | Update properties of an existing workpaper | | POST | `/external/v1/SignOff/save-workpaper-signoffs` | Save or update sign-off statuses for workpapers | | POST | `/external/v1/workpapers/move` | Move workpapers or folders to different locations within an engagement | | POST | `/external/v1/workpapers/move-recyclebin` | Move workpapers to recycle bin (soft delete) | ## Machine-readable artifacts (262) - **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/thomson-reuters/refs/heads/main/openapi/thomson-reuters-workpapers-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 Workpapers --- Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/thomson-reuters/thomson-reuters-workpapers-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/thomson-reuters/.