# Companies API

**Canonical:** https://apis.io/apis/thomson-reuters/companies-api/  
**Provider:** Thomson Reuters — https://apis.io/providers/thomson-reuters/  
**Base URL:** https://api.thomsonreuters.com/legal-tracker/companies-api/v1  
**Documentation:** https://developers.thomsonreuters.com/pages/api-catalog/7D9CEF42-113B-9A51-9C82-E6E74D19776C

Companies 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 6 JSON Schema definitions. Tagged areas include Legal and Legal Tracker. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and 6 JSON Schemas.

The Companies API provides access to offices, organizational units and practice groups in the Tracker Company database.

## Operations (1)

| Method | Path | Summary |
|---|---|---|
| GET | `/companies` | Retrieve list of companies accessible to current user |

## Machine-readable artifacts (9)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/thomson-reuters/refs/heads/main/openapi/thomson-reuters-companies-api-openapi.yml
- **OpenAPI** — https://api.thomsonreuters.com/developer-experience/content/v1/documents/api-reference/643af10a-fd07-43f1-a471-f0332901c430
- **Documentation** — https://developers.thomsonreuters.com/pages/api-catalog/7D9CEF42-113B-9A51-9C82-E6E74D19776C
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/thomson-reuters/refs/heads/main/json-schema/thomson-reuters-company-office-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/thomson-reuters/refs/heads/main/json-schema/thomson-reuters-update-organizational-unit-model-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/thomson-reuters/refs/heads/main/json-schema/thomson-reuters-create-organizational-unit-model-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/thomson-reuters/refs/heads/main/json-schema/thomson-reuters-update-practice-group-model-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/thomson-reuters/refs/heads/main/json-schema/thomson-reuters-create-practice-group-model-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/thomson-reuters/refs/heads/main/json-schema/thomson-reuters-organizational-unit-schema.json

## 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/)
- [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/)
- [Thomson Reuters Account API](https://apis.io/apis/thomson-reuters/thomson-reuters-account-api/)

## Tags

Legal, Legal Tracker

---

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