Numbers

API

Free API for number facts, random numbers, and number of the day

Overview

The Numbers API offers RESTful endpoints for number-related data: /day returns daily featured numbers with context; /random generates random numbers (supports min/max parameters); /facts delivers curated facts (math, trivia, date-related) for any number. Responses are JSON-formatted with fields like value, fact, type, and metadata. Ideal for educational platforms to integrate number facts into lessons, trivia apps to generate number-based questions, or content tools to add engaging number snippets. No authentication required for basic usage, enabling quick integration.

Example Integration (JavaScript)

script.js JS


fetch('https://math.tools/api/numbers/')
  .then(res => res.json())
  .then(data => console.log(data))
  .catch(err => console.error(err));

Key Features

RESTful API
JSON Responses
No Authentication Required
Number of the Day
Customizable Random Numbers
Curated Number Facts

Frequently Asked Questions

? Is Numbers API free to use?

Yes, the Numbers API is completely free for public, non-commercial usage with no hidden costs.

? Does it require an API Key?

No, authentication is not required to access any endpoints of the Numbers API.

? What is the response format?

All responses are in JSON format, including fields like value, fact text, category type (math/trivia), and relevant metadata.

Top Alternatives

NumbersAPI.com Search Google

Tool Info

Pricing Free

Category Science & Math

Platform Public API

Pros

⊕ Easy integration (no API key needed)
⊕ Versatile endpoints for diverse use cases
⊕ Free public access
⊕ Accurate, categorized number facts

Cons

⊖ Potential rate limits for high-volume usage
⊖ No service level agreement (SLA)
⊖ Limited advanced fact filtering options