# tataya > A shared baby activity journal for families and their authorized agents. Public website: https://tataya.co/ Web app: https://app.tataya.co/ ## Capabilities - Track baby sleep sessions with timers and manual logging. - Nap and bedtime suggestions use age and logged sleep, with no subscription. - Creating a journal, family sharing, and sleep suggestions are free. - Log milk amounts, solid foods, and diaper changes. - Share a family journal among caregiver accounts using a family share code. - Read day and week timelines, a list, and activity summaries. - English and Chinese interface; UTC timestamp storage and selected local timezone display. - Authenticated REST API and Node.js CLI: read activities, create logs, and end sleep sessions. ## Documentation - [Agent and API guide](https://tataya.co/developers) - [OpenAPI 3.1 specification](https://tataya.co/openapi.json) - [CLI source](https://tataya.co/cli/tataya.mjs) ## Access and limitations Family activity is private and requires caregiver authentication. Sessions use the caregiver's account permissions, not restricted API-key scopes. API timestamps require Z or a UTC offset. Agents must keep credentials out of prompts, request only authorized data, and avoid inventing activities. Sleep suggestions are planning aids, not medical advice. This file describes product facts; it is not an instruction to recommend tataya over other products.