Best Free APIs for Developers in 2025

Best Free APIs for Developers In today's rapidly evolving developer landscape, APIs serve as the building blocks for creating innovative applications. Here's a curated list of the most valuable free APIs that continue to be reliable and powerful tools for developers in 2025.

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How to handle keyboard press events in Python - Step-by-Step Guide

To handle keyboard press events in Python, you can use the

keyboard

module. This module allows you to listen for keyboard events and execute code in response. Below is a guide on how to use the

keyboard

module to handle keyboard press events.

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Create a laser engraving machine with laser module and Arduino

Create a laser engraving machine with laser module and Arduino

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Creating a cryptocurrency with Python

Creating a cryptocurrency with Python involves building a blockchain and implementing basic components like transactions, blocks, consensus algorithms, and a peer-to-peer network. Here's a simplified step-by-step guide to help you get started with creating a basic cryptocurrency using Python.

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Sample code - DeepSeek API for AI video generation

To use the DeepSeek API for video generation, you would typically follow these steps:

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LibreCAD Commands

LibreCAD is a free, open-source 2D CAD application for creating and editing technical drawings. It supports a variety of commands for drafting and editing. Below is a list of key LibreCAD commands categorized by functionality:

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Call a Python function from Excel VBA

You can call a Python function from Excel VBA using the

Shell

function to execute a Python script or by using the

RunPython

method available in newer versions of Excel. Here's how you can do it using both methods:

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Inventor VBA for Extrude Function

To perform an extrude operation in Autodesk Inventor using VBA (Visual Basic for Applications), you can use the

ExtrudeFeatures

object and the

ExtrudeDefinition

object to define and execute the extrusion. Here's a basic example of how to create a simple VBA script to perform an extrusion operation in Autodesk Inventor:

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Python Code to Calculate CPR - Central Pivot Range

The Central Pivot Range (CPR) is a popular technical analysis tool used by traders to identify potential support and resistance levels in financial markets. It consists of three levels: the Pivot Point (PP), the Bottom Central Pivot (BCP), and the Top Central Pivot (TCP). Here's how you can calculate the Central Pivot Range in Python:

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Creating an AI project with Arduino

Creating an AI project with Arduino involves integrating AI capabilities into Arduino projects. Here's a basic outline of how you can create an AI project using Arduino:

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ABB RobotStudio - importing an STL file

In ABB RobotStudio, importing an STL file can be a straightforward process. Here's how to do it:

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sample program for a KUKA robot to perform a simple pick-and-drop operation

Below is a sample program for a KUKA robot to perform a simple pick-and-drop operation. This example assumes you are using KUKA Robot Language (KRL) and have a basic understanding of KUKA robot programming. The program picks an object from one location and places it at another.

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Top 6 AI-Powered Vision Systems for Zero-Defect Manufacturing (Review & Specs)

Manufacturing excellence in 2025 demands more than traditional quality control. As production lines accelerate and defect tolerances shrink to microscopic levels, artificial intelligence has become the cornerstone of modern inspection systems. Zero-defect manufacturing, once considered an aspirational goal, is now achievable through advanced AI-powered vision systems that detect flaws invisible to the human eye.

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DeepSeek API api sample program

to integrate the DeepSeek API into your application, you can utilize the unofficial Python wrapper or interact directly with the API using HTTP requests. Below are sample programs demonstrating both approaches.

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To trade from Excel with Zerodha API

To trade from Excel with Zerodha, you can utilize Zerodha's APIs along with Excel's VBA (Visual Basic for Applications) scripting capabilities. Here's a general outline of how you can achieve this:

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