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T
Tools.Town
Free Online Tools for Everyone

Business Days Calculator API

Calculate working days between two dates, excluding weekends and holidays.

Category: Date & Time Endpoint: /v1/date/business-days Method: GET Auth: API Key

Fast & Accurate

Get precise results instantly.

Easy Integration

Simple REST API with JSON response.

Developer Friendly

Clear docs and SDK examples.

Free to Start

5,000 free requests/month.

API Coming Soon

This endpoint is in active development. Documentation is published early so you can plan your integration. Join the waitlist to get notified when it goes live.

Endpoint

All requests should be made to the following endpoint:

GET https://api.tools.town/v1/date/business-days

Authentication

This endpoint requires an API Key. Include your API key in the request header.

Authorization: Bearer YOUR_API_KEY
You can get your API key from your dashboard.

Example Request

curl -G "https://api.tools.town/v1/date/business-days" \
  -H "Authorization: Bearer YOUR_API_KEY" \

Error Codes

Code Meaning
400 Bad Request — missing or invalid parameter
401 Unauthorized — API key missing or invalid
429 Rate limit exceeded — free tier: 5,000 requests/month
500 Internal Server Error — try again or contact support