# Thomson Reuters Company API **Canonical:** https://apis.io/apis/thomson-reuters/thomson-reuters-company-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 Company 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 Company. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and 163 JSON Schemas. Get Companies. ## Operations (4) | Method | Path | Summary | |---|---|---| | GET | `/companies` | Get companies | | GET | `/datalists` | Get all datalists | | GET | `/datalists/{id}/entries` | Get all entries of a datalist | | PUT | `/datalists/{id}/entries` | Replace a datalist's entries | ## Machine-readable artifacts (262) - **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/thomson-reuters/refs/heads/main/openapi/thomson-reuters-company-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 Company --- Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/thomson-reuters/thomson-reuters-company-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/thomson-reuters/.