# Tachyus — Tachapps API > Tachyus provides AI-powered operational optimization and GHG emissions > management software for the energy sector (Strateon, Aqueon, Aurion). The > Tachapps REST API is organized around Projects, Wells, and Production Data, > uses Bearer API-token auth, JSON over HTTPS, cursor pagination, and per-plan > rate limits. Generated by API Evangelist from the published documentation > (no provider-published llms.txt was found). ## APIs - [Tachapps API reference](https://docs.tachyus.com/api/introduction.html): Projects, Wells, Production Data (base URL https://{organization}.tachyus.com/api/v1) - [Authentication](https://docs.tachyus.com/api/authentication.html): Bearer token, scopes, token management - [Projects](https://docs.tachyus.com/api/projects.html) - [Wells](https://docs.tachyus.com/api/wells.html) - [Production Data](https://docs.tachyus.com/api/production-data.html) - [Changelog](https://docs.tachyus.com/changelog.html) ## Specs - [OpenAPI (API Evangelist-generated)](https://raw.githubusercontent.com/api-evangelist/tachyus/refs/heads/main/openapi/tachyus-tachapps-openapi.yml) ## Docs - [Documentation hub](https://docs.tachyus.com/) - [Getting started](https://docs.tachyus.com/guide/getting-started.html) - [Company site](https://tachyus.com)