# Thomson Reuters Topics API

**Canonical:** https://apis.io/apis/thomson-reuters/thomson-reuters-topics-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 Topics 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 Topic. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and 163 JSON Schemas.

The Topics API from Thomson Reuters — 8 operation(s) for topics.

## Operations (10)

| Method | Path | Summary |
|---|---|---|
| GET | `/topics` | Get a paginated list of Topics |
| GET | `/topics/{id}` | Get a Topic by ID |
| PATCH | `/topics/{id}` | Update Topic by ID |
| GET | `/topics/{id}/columns` | Get a list of record columns by Topic ID |
| GET | `/topics/{id}/records` | Get a paginated list of records by Topic ID |
| GET | `/topics/{id}/records/unavailable-values` | Get a paginated list of summaries of unavailable records by Topic ID |
| POST | `/topics/{id}/reprocess` | Initiate a reprocess of certain records by Topic ID |
| GET | `/topics/{id}/tasks/download` | Get a paginated list of download tasks by Topic ID |
| POST | `/topics/{id}/tasks/download` | Initiate a download of the Topic by ID |
| GET | `/topics/{id}/tasks/download/{task_id}` | Get a download task by Topic ID and task ID |

## Machine-readable artifacts (262)

- **OpenAPI** — https://artifacts.apis.io/thomson-reuters/openapi/thomson-reuters-topics-api-openapi.yml
- **Documentation** — https://developers.thomsonreuters.com/pages/api-catalog/2A8320F8-60E8-2D73-A3F0-0D097B720566
- **JSONSchema** — https://artifacts.apis.io/thomson-reuters/json-schema/thomson-reuters-custom-level4-node-response-schema.json
- **JSONSchema** — https://artifacts.apis.io/thomson-reuters/json-schema/thomson-reuters-api-collection-financial-hierarchy-branch-response-schema.json
- **JSONSchema** — https://artifacts.apis.io/thomson-reuters/json-schema/thomson-reuters-api-collection-financial-hierarchy-node-response-schema.json
- **JSONSchema** — https://artifacts.apis.io/thomson-reuters/json-schema/thomson-reuters-custom-level4-node-request-schema.json
- **JSONSchema** — https://artifacts.apis.io/thomson-reuters/json-schema/thomson-reuters-id-response-string-schema.json
- **Documentation** — https://developers.thomsonreuters.com/pages/api-catalog/2074AAC5-1C5E-2FF4-01D9-3B3E12470E4E
- **JSONSchema** — https://artifacts.apis.io/thomson-reuters/json-schema/thomson-reuters-predictive-mapping-request-schema.json
- **JSONSchema** — https://artifacts.apis.io/thomson-reuters/json-schema/thomson-reuters-predictive-mapping-response-financial-hierarchy-dto-schema.json
- **JSONSchema** — https://artifacts.apis.io/thomson-reuters/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://artifacts.apis.io/thomson-reuters/json-schema/thomson-reuters-transaction-extract-request-schema.json
- **JSONSchema** — https://artifacts.apis.io/thomson-reuters/json-schema/thomson-reuters-parameters-response-schema.json
- **JSONSchema** — https://artifacts.apis.io/thomson-reuters/json-schema/thomson-reuters-transaction-extract-response-schema.json
- **JSONSchema** — https://artifacts.apis.io/thomson-reuters/json-schema/thomson-reuters-api-info-response-schema.json
- **Documentation** — https://developers.thomsonreuters.com/pages/api-catalog/AA887EC9-9ADD-9096-871D-5482B80A5B52
- **JSONSchema** — https://artifacts.apis.io/thomson-reuters/json-schema/thomson-reuters-topic-dto-schema.json
- **JSONSchema** — https://artifacts.apis.io/thomson-reuters/json-schema/thomson-reuters-topic-download-dto-schema.json
- **JSONSchema** — https://artifacts.apis.io/thomson-reuters/json-schema/thomson-reuters-topic-download-list-dto-schema.json
- **JSONSchema** — https://artifacts.apis.io/thomson-reuters/json-schema/thomson-reuters-api-collection-topic-record-dto-schema.json
- **JSONSchema** — https://artifacts.apis.io/thomson-reuters/json-schema/thomson-reuters-topic-record-values-dto-schema.json
- **JSONSchema** — https://artifacts.apis.io/thomson-reuters/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://artifacts.apis.io/thomson-reuters/json-schema/thomson-reuters-tax-provision-detail-schema.json
- **JSONSchema** — https://artifacts.apis.io/thomson-reuters/json-schema/thomson-reuters-tax-provision-schema.json
- **JSONSchema** — https://artifacts.apis.io/thomson-reuters/json-schema/thomson-reuters-state-provision-detail-schema.json
- **JSONSchema** — https://artifacts.apis.io/thomson-reuters/json-schema/thomson-reuters-state-provision-schema.json
- **JSONSchema** — https://artifacts.apis.io/thomson-reuters/json-schema/thomson-reuters-effective-tax-rate-schema.json
- **JSONSchema** — https://artifacts.apis.io/thomson-reuters/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://artifacts.apis.io/thomson-reuters/json-schema/thomson-reuters-account-model-schema.json
- **JSONSchema** — https://artifacts.apis.io/thomson-reuters/json-schema/thomson-reuters-partnership-k1-schema.json
- **JSONSchema** — https://artifacts.apis.io/thomson-reuters/json-schema/thomson-reuters-operation-model-schema.json
- **JSONSchema** — https://artifacts.apis.io/thomson-reuters/json-schema/thomson-reuters-account-response-model-schema.json
- **Documentation** — https://developers.thomsonreuters.com/pages/api-catalog/B2230E9D-2AF1-4898-97B8-AE02DDD77148
- **JSONSchema** — https://artifacts.apis.io/thomson-reuters/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

Topic

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