---
title: "Count business days between two dates"
method: GET
path: "/v1/business-days/count"
---

# Count business days between two dates

`GET /v1/business-days/count`

## Request

- Base URL: `https://bankday.dev`
- URL: `https://bankday.dev/v1/business-days/count`
- Auth: HTTP bearer

Counts business days d with start < d ≤ end (the usual "how many business days until"). Pass include_start=true to count start ≤ d ≤ end. Returns a negative number when end is before start.

## Query parameters

- `calendar` string, required
- `start` string, required
- `end` string, required
- `include_start` string

## Response `200`

OK

- object

## Other responses

- `400`: Error
- `401`: Error
- `404`: Error
- `422`: Error
- `429`: Error

---

[API](https://skmtc.dev/bankday/apis/bankday-api.md) · [All operations](https://skmtc.dev/bankday/apis/bankday-api/llms.txt) · [OpenAPI document](https://skmtc.dev/bankday/apis/bankday-api/revisions/64cfaa415994?raw)