# Regulatory Snapshot documentation > Multi-jurisdiction regulatory horizon scanning (https://regsn.app). Configure jurisdictions and regulatory areas, run an AI-powered scan, and read the result as a dated, cited briefing — heatmap, trends, executive narrative, exports. Product guide, concepts, and the /v1 developer API reference. Every docs page has a markdown twin: append `.md` to its URL (the site root is https://docs.regsn.app/index.md). The agent entry-point page is https://docs.regsn.app/docs-for-agents.md. The API's machine contract is the OpenAPI spec at https://api.regsn.app/openapi.json (YAML: https://api.regsn.app/openapi.yaml). ## Using Snapshot - [The app at a glance](https://docs.regsn.app/using.md): How Regulatory Snapshot is laid out — the tab bar, the More menu, the ticker strip, filters, and how the viewing surfaces fit together. - [Your first scan](https://docs.regsn.app/using/first-scan.md): A start-to-finish walk through the scan order form — who you are, where to look, what to watch, how far ahead — and reading the result. - [Overview](https://docs.regsn.app/using/overview.md): Reading the Overview tab — the executive summary, deadlines, priorities, the regulatory-pressure heatmap, the item-detail panel and the Change Monitor. - [Briefing](https://docs.regsn.app/using/briefing.md): Reading the Analyst Briefing — the narrative edition of a scan, with a reading index, inline citations, a pull quote, and a chaptered audio edition. - [Trends](https://docs.regsn.app/using/trends.md): Reading the Trends tab — the ledger of cross-jurisdiction patterns a scan identified, the five pattern types, and the legend that explains them. - [Timeline](https://docs.regsn.app/using/timeline.md): Reading the Timeline tab — dated items laned by jurisdiction, zoom and Today controls, the key-deadlines strip, and the status legend. - [Feed](https://docs.regsn.app/using/feed.md): Reading the Feed — the live wire of regulator announcements across every tracked jurisdiction, independent of the loaded scan, with region and regulator filters. - [Sources](https://docs.regsn.app/using/sources.md): Reading the Sources tab — the audit trail behind a scan: the Trust Scorecard, per-item provenance and verification badges, the audit's working, and the methodology key. - [Snapshots](https://docs.regsn.app/using/snapshots.md): Reading the Snapshots tab — your archive of every scan, day-grouped with series folding, in-flight scan cards, and the load / rename / re-scan / delete actions. - [Studio](https://docs.regsn.app/using/studio.md): Generate and download artefacts from a finished scan — slide decks, tearsheets, infographics, audio briefings, and video — and manage them in the archive. - [Scheduled scans](https://docs.regsn.app/using/scheduled-scans.md): Put scans on a recurring rota — the Planner calendar, the schedule builder, cadences, batch delivery, and email on completion. - [Settings](https://docs.regsn.app/using/settings.md): Account, language, theme, and the standing preferences Regulatory Snapshot remembers between sessions. - [FAQ](https://docs.regsn.app/using/faq.md): Practical answers about running scans, costs and runtimes, languages, scheduling, artefacts, and exporting your data. ## API for developers - [API overview](https://docs.regsn.app/api.md): Programmatic access to Regulatory Snapshot — scans, snapshots, exports, and usage over a small JSON-over-HTTPS surface at api.regsn.app/v1. - [Quickstart](https://docs.regsn.app/api/quickstart.md): Create an API key, run your first scan, read the snapshot, and download a PDF — all with curl. - [Authentication](https://docs.regsn.app/api/authentication.md): Bearer keys (regsn_live_…), the key lifecycle at api.regsn.app, and the /v1/keys management endpoints. - [Scans](https://docs.regsn.app/api/scans.md): Create, estimate, poll, stream, and cancel scans — POST /v1/scans and friends. - [Snapshots](https://docs.regsn.app/api/snapshots.md): The snapshot envelope, listing and filtering, and the five sub-resources — items, trends, executive summary, executive narrative, and the changes overlay. - [Exports](https://docs.regsn.app/api/exports.md): Queue export jobs against a snapshot, poll them, download the artefact, and the full per-type options vocabulary. - [Discovery (meta)](https://docs.regsn.app/api/discovery.md): The five /v1/meta endpoints — engines, models, jurisdictions, areas, and export types — for discovering valid configuration values at runtime. - [Usage & budget](https://docs.regsn.app/api/usage.md): GET /v1/usage for request, scan, export, and cost telemetry; GET /v1/usage/budget for the account budget pool. - [Idempotency](https://docs.regsn.app/api/idempotency.md): The Idempotency-Key header — 24-hour replay window, body fingerprinting, and the conflict cases. - [Rate limits](https://docs.regsn.app/api/rate-limits.md): The five rate-limit buckets, the RateLimit response headers, and how to behave on 429. - [Errors](https://docs.regsn.app/api/errors.md): RFC 9457 problem details, the X-Request-Id header, and the complete error-code table. - [JavaScript SDK](https://docs.regsn.app/api/sdks/javascript.md): @regsn/api — the JavaScript client for the Regulatory Snapshot API: setup, methods, retries, and errors. - [Python SDK](https://docs.regsn.app/api/sdks/python.md): regsn — the Python client for the Regulatory Snapshot API: setup, methods, retries, and errors. ## Concepts - [Core concepts](https://docs.regsn.app/concepts.md): The object model behind Regulatory Snapshot — scans produce snapshots, snapshots hold items, every dashboard tab is a reading of a snapshot, and change is computed between snapshots of the same scope. - [Scans and snapshots](https://docs.regsn.app/concepts/scans-and-snapshots.md): The lifecycle that turns a scan configuration into a snapshot — the states a running scan moves through, what a snapshot fixes in time, and how identical-scope re-runs form a series. - [Jurisdictions and topics](https://docs.regsn.app/concepts/jurisdictions-and-topics.md): The scan coordinate system — jurisdictions (where), regulatory areas and topics (what), the time horizon (when), and why every item lands in exactly one cell of it. - [Items, sources and citations](https://docs.regsn.app/concepts/items-and-citations.md): The anatomy of a regulatory item — status, likelihood, impact and dates — and the three separate trust signals that tell you how well it is sourced. - [What "changed" means](https://docs.regsn.app/concepts/changes.md): How the Change Monitor compares snapshots of the same scope — confirmed regulator events, coverage movements, and unverified assertions, and why the three are never mixed. ## Glossary - [Glossary](https://docs.regsn.app/glossary.md): A–Z definitions for the vocabulary used across the Regulatory Snapshot product and the developer API. ## Optional - [Full documentation in one file](https://docs.regsn.app/llms-full.txt): every page below concatenated in navigation order - [Docs for agents](https://docs.regsn.app/docs-for-agents.md): markdown twins, the OpenAPI spec, the regsn-api Agent Skill, and a copyable base prompt - [OpenAPI spec](https://api.regsn.app/openapi.json): the /v1 machine contract (YAML at /openapi.yaml, human reference at https://api.regsn.app/reference)