---
title: "Research Ledger"
method: GET
path: "/api/v1/research/ledger"
tags: ["Research Dataset Export"]
---

# Research Ledger

`GET /api/v1/research/ledger`

## Request

- Base URL: `https://www.deepmapai.com`
- URL: `https://www.deepmapai.com/api/v1/research/ledger`
- Auth: none declared

Export prediction ledger with hash chain verification.

**Pricing:** Included in subscription tiers (legacy list price: GET /api/v1/billing/pricing).

## Query parameters

- `hazard_type` string: Hazard type
- `days` integer: Lookback window in days
- `include_hashes` boolean: Include SHA-256 hash chain proofs
- `x_api_key` string, nullable

## Response `200`

Successful Response

- unknown

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/deepmapai/apis/deepmap-ai.md) · [All operations](https://skmtc.dev/deepmapai/apis/deepmap-ai/llms.txt) · [OpenAPI document](https://skmtc.dev/deepmapai/apis/deepmap-ai/revisions/dab995d977d0?raw)