---
title: "FX store coverage"
method: GET
path: "/fx/lake"
tags: ["Backtests"]
---

# FX store coverage

`GET /fx/lake`

## Request

- Base URL: `https://api.getchord.xyz/v1`
- URL: `https://api.getchord.xyz/v1/fx/lake`
- Auth: none declared

How far the FX / metal candle store behind `/backtest` is filled, per symbol: the last month of 1h bars and the last day of 1m bars. `state` is `running` while a fill pass is in progress.

## Response `200`

- object
  - `state` 'off' | 'running' | 'idle'
  - `lastError` string, nullable
  - `lastAt` integer: Unix ms of the last fill pass, 0 when none ran in this process.
  - `files` integer: Files written by the last pass.
  - `snapshotAt` integer: Unix time, milliseconds — when the server built this answer.
  - `from` string: First month of the 1h store, `YYYY-MM`.
  - `minuteDays` integer: How many days back the 1m store reaches.
  - `symbols` object: Keyed by symbol.

## Other responses

- `503`: The lane behind this endpoint is not ready or not enabled here (`NOT_READY`, `CHAIN_NOT_ENABLED`, `NOT_ENABLED`, `*_UNAVAILABLE`). Retry later; do not treat it as an empty answer.

---

[API](https://skmtc.dev/getchord/apis/chord-api.md) · [All operations](https://skmtc.dev/getchord/apis/chord-api/llms.txt) · [OpenAPI document](https://skmtc.dev/getchord/apis/chord-api/revisions/d3bc4640fea0?raw)