# OneStream > OneStream is an enterprise finance platform that unifies financial and operational data into a single source of truth — spanning financial close and consolidation, planning, budgeting, forecasting (FP&A), and reporting — with AI and machine learning applied to automate core finance tasks. Its OneStream Web (REST) API exposes Data Automation functions (Authentication, Data Management, and Data Provider) as a client-agnostic JSON-over-HTTPS service. This llms.txt was generated by the API Evangelist enrichment pipeline from apis.yml and repository artifacts. ## API - [OneStream Web (REST) API — Overview](https://documentation.onestream.com/docs/Content/REST%20API/REST%20API%20Overview.html): RESTful JSON service exposing Authentication, Data Management, and Data Provider endpoints; base path /OneStreamApi/api, versioned via ?api-version=; bearer-token auth. - [Web API Endpoints](https://documentation.onestream.com/docs/Content/REST%20API/OneStream%20WebAPI%20Endpoints.html): Documented operations (ExecuteSequence, ExecuteStep, GetAdoDataSetForAdapter/CubeViewCommand/SqlCommand/MethodCommand, LogonAndReturnCookie). ## Docs - [OneStream Documentation Portal](https://documentation.onestream.com/) - [OneStream Developer Portal](https://dev.onestream.com/) - [REST API Implementation Guide (PDF)](https://documentation.onestream.com/docs/Content/PDFs/REST_API_Implementation_Guide.pdf) - [Authentication](https://documentation.onestream.com/docs/Content/REST%20API/Authentication2.html): OAuth 2.0 client_credentials for external providers (Entra ID, Okta, PingFederate); Personal Access Tokens via OneStream IdentityServer. - [OneStream Community](https://community.onestreamsoftware.com/) ## Artifacts - [Authentication profile](https://raw.githubusercontent.com/api-evangelist/onestream/refs/heads/main/authentication/onestream-authentication.yml) - [API conventions](https://raw.githubusercontent.com/api-evangelist/onestream/refs/heads/main/conventions/onestream-conventions.yml) - [Error/problem types](https://raw.githubusercontent.com/api-evangelist/onestream/refs/heads/main/errors/onestream-problem-types.yml) - [Lifecycle & versioning](https://raw.githubusercontent.com/api-evangelist/onestream/refs/heads/main/lifecycle/onestream-lifecycle.yml) - [Conformance & compliance](https://raw.githubusercontent.com/api-evangelist/onestream/refs/heads/main/conformance/onestream-conformance.yml) - [Trust Center](https://raw.githubusercontent.com/api-evangelist/onestream/refs/heads/main/security/onestream-trust-center.yml) ## Trust & Compliance - [OneStream Trust Center](https://trust.onestream.com/): SOC 1, SOC 2 Type II, ISO 27001, FedRAMP ATO, CSA CAIQ/STAR, NIST 800-53. ## Solutions - [OneStream Solution Exchange](https://solution-exchange.onestream.com/): MarketPlace, PartnerPlace, and OpenPlace solution portals (100+ downloadable solutions).