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BeginnerGetting Started10 min

Getting Started with OnlyOneAPI

Learn the fundamentals of OnlyOneAPI and make your first API call in under 5 minutes.

By OnlyOneAPI TeamLast updated June 25, 2025

Introduction

Welcome to OnlyOneAPI! This tutorial will guide you through the basics of using our platform, from setting up your account to making your first API call. By the end of this tutorial, you'll have a solid foundation for building amazing applications with OnlyOneAPI.

Prerequisites

  • Basic understanding of APIs and HTTP requests
  • A text editor or IDE of your choice
  • Node.js installed (for JavaScript examples)

Step 1: Create Your Account

First, you'll need to create a free OnlyOneAPI account. Visit our signup page and follow these steps:

  1. 1.Go to the signup page and enter your email
  2. 2.Verify your email address
  3. 3.Complete your profile information

Step 2: Get Your API Key

Once your account is set up, you'll need to generate an API key:

// Navigate to Dashboard > API Keys
// Click"Generate New Key"
// Copy your API key - you'll need it for all requests

Important

Keep your API key secure and never commit it to public repositories. Use environment variables to store sensitive credentials.

Step 3: Make Your First API Call

Now let's make your first API call using JavaScript:

const API_KEY = 'your-api-key-here';
const API_URL = 'https://api.onlyoneapi.com/v1';

async function makeFirstCall() {
 const response = await fetch(`${API_URL}/hello`, {
  headers: {
   'Authorization': `Bearer ${API_KEY}`,
   'Content-Type': 'application/json'
  }
 });
 
 const data = await response.json();
 console.log(data);
}

makeFirstCall();

Next Steps

Congratulations! You've successfully made your first API call with OnlyOneAPI. Here are some recommended next steps:

Explore API Endpoints

Browse our complete API reference to discover all available endpoints.

Try the SDK

Install our official SDK for easier integration with your preferred language.