---
title: "Daily Reference Rate series — paid plans, billed per month of range"
method: GET
path: "/api/v1/reference-rate/history"
tags: ["Reference Rate"]
---

# Daily Reference Rate series — paid plans, billed per month of range

`GET /api/v1/reference-rate/history`

## Request

- Base URL: `https://allratestoday.com`
- URL: `https://allratestoday.com/api/v1/reference-rate/history`
- Auth: HTTP bearer

AllRatesToday Daily Reference Rate: one immutable mid-market USD table per business day, fixed at 16:00 Europe/London as the per-currency median of five once-a-minute samples (15:57:30–16:02:30). Never revised. Not the WM/Refinitiv fix and not a registered benchmark; for index calculation, research and reporting. Methodology: https://allratestoday.com/reference-rate/ One point per published business day. Billed one API call per month of range.

## Query parameters

- `symbol` string
- `source` string
- `target` string
- `from` string, date
- `to` string, date
- `format` 'json' | 'csv' | 'xml' | 'xlsx'

## Response `200`

Series

- object
  - `base` string
  - `quote` string
  - `from` string
  - `to` string
  - `count` integer
  - `points` object[]
    - `rate_date` string, date
    - `value` number

## Other responses

- `403`: Paid plan required

---

[API](https://skmtc.dev/allratestoday/apis/allratestoday-exchange-rate-central-bank-rates-api.md) · [All operations](https://skmtc.dev/allratestoday/apis/allratestoday-exchange-rate-central-bank-rates-api/llms.txt) · [OpenAPI document](https://skmtc.dev/allratestoday/apis/allratestoday-exchange-rate-central-bank-rates-api/revisions/c2e58e9b4da4?raw)