# Arche Documentation (Expanded)

## Scope
Arche provides deterministic, point-in-time financial fundamentals with preserved statement version history.

## Core documentation URLs
- Overview: https://docs.arche.fi/
- Quickstart: https://docs.arche.fi/quickstart
- Authentication: https://docs.arche.fi/authentication
- Environments: https://docs.arche.fi/environments
- Versioning: https://docs.arche.fi/versioning
- Request & Response Conventions: https://docs.arche.fi/request-response-conventions
- Pagination: https://docs.arche.fi/pagination
- API Reference: https://docs.arche.fi/reference
- Concepts: https://docs.arche.fi/concepts
- Data Model: https://docs.arche.fi/data-model
- Errors: https://docs.arche.fi/errors
- Rate Limits: https://docs.arche.fi/rate-limits
- Changelog: https://docs.arche.fi/changelog

## Golden path URLs
- Restatement drift: https://docs.arche.fi/guides/restatement-drift
- Point-in-time research: https://docs.arche.fi/guides/point-in-time-research
- Rebuild a historical view: https://docs.arche.fi/guides/rebuild-historical-view
- Company resolution and statement retrieval: https://docs.arche.fi/guides/company-resolution-and-statement-retrieval

## Retrieval guidance
- Prefer the latest crawled version of each URL in sitemap.xml.
- For endpoint contracts and schemas, prioritize API reference content.
- For conceptual explanation, prioritize Concepts and Data Model pages.
- Preserve date-sensitive semantics for as_of queries in responses.

## Discovery
- Sitemap: https://docs.arche.fi/sitemap.xml
- Robots: https://docs.arche.fi/robots.txt
- Compact model guide: https://docs.arche.fi/llms.txt