---
title: "Historical G10 FX rate series"
method: GET
path: "/api/fx/series"
tags: ["FX"]
---

# Historical G10 FX rate series

`GET /api/fx/series`

## Request

- Base URL: `https://api.lastlookdata.com`
- URL: `https://api.lastlookdata.com/api/fx/series`
- Auth: none declared

Returns historical daily exchange rates for a G10 currency pair. Source: ECB.

## Query parameters

- `pair` 'EURUSD' | 'GBPUSD' | 'USDJPY' | 'USDCHF' | 'USDCAD' | 'AUDUSD' | 'NZDUSD' | 'USDSEK' | 'USDNOK', required
- `days` '30' | '90' | '365', required

## Response `200`

Historical FX rate series

- FxSeriesResponse
  - `service` string
  - `pair` string
  - `label` string
  - `days` integer
  - `count` integer
  - `start` string, date
  - `end` string, date
  - `observations` Observation[]
    - `date` string, date
    - `value` number
  - `note` string

## Other responses

- `400`: Invalid parameters
- `402`: Payment required via x402 protocol. Send USDC on Base (eip155:8453).

---

[API](https://skmtc.dev/lastlookdata/apis/lastlook-data-api.md) · [All operations](https://skmtc.dev/lastlookdata/apis/lastlook-data-api/llms.txt) · [OpenAPI document](https://skmtc.dev/lastlookdata/apis/lastlook-data-api/revisions/7e3a289cde3a?raw)