---
title: "IRC 6621 quarterly interest rates (2020-Q1 to present)"
method: GET
path: "/v1/interest-rates"
---

# IRC 6621 quarterly interest rates (2020-Q1 to present)

`GET /v1/interest-rates`

## Request

- Base URL: `https://api.arcandledger.com`
- URL: `https://api.arcandledger.com/v1/interest-rates`
- Auth: none declared

## Query parameters

- `from` string
- `to` string

## Response `200`

Five rate categories per quarter with authority

- Envelope
  - `data` object, required
  - `meta` object, required
    - `serverVersion` string, required
    - `taxYear` integer
  - `disclaimer` string, required

## Other responses

- `400`: Invalid quarter

---

[API](https://skmtc.dev/arcandledger/apis/arc-ledger-tax-data-api.md) · [All operations](https://skmtc.dev/arcandledger/apis/arc-ledger-tax-data-api/llms.txt) · [OpenAPI document](https://skmtc.dev/arcandledger/apis/arc-ledger-tax-data-api/revisions/d435ea185ef3?raw)