# Daystruct

> Provenance-aware, historical AI infrastructure data for machines.

Daystruct is a public, read-only JSON API for querying AI providers, models, capabilities, pricing metadata, relationships, provenance, and field-level changes. No API key is required.

## Start here
- Agent quick-start: https://api.daystruct.ai/llms-full.txt
- Manifest: https://api.daystruct.ai/manifest
- OpenAPI: https://api.daystruct.ai/openapi.json
- Public status: https://api.daystruct.ai/status
- Website: https://daystruct.ai

## Core queries
- Entities: https://api.daystruct.ai/api/v1/entities
- Relationships: https://api.daystruct.ai/api/v1/relationships
- Changes: https://api.daystruct.ai/api/v1/changes
- Sources: https://api.daystruct.ai/api/v1/sources