How to Choose the Best Tracking API in 2026
There are 9 Tracking APIs in our directory. Of these, 3 require no authentication, making them ideal for quick prototyping. 3 are rated beginner-friendly.
Scores last tested: 2026-08-10
Quick Comparison: Top 8 Tracking APIs
Ranked by API Score. Measured means we called a real endpoint of that API; Est. means the score is derived from metadata because the endpoint could not be called without credentials. Discontinued APIs are excluded.
| Name | API Score | Auth | HTTPS | CORS | Difficulty |
|---|---|---|---|---|---|
| WhatPulse | 92 A+ Est. | No Auth | ✓ | ? | Beginner |
| Postmon | 82 A Est. | No Auth | ✗ | ? | Beginner |
| Aftership | 77 B Est. | API Key | ✓ | ✓ | Intermediate |
| Correios | 72 B Est. | API Key | ✓ | ? | Intermediate |
| Pixela | 68 C Est. | X-Mashape-Key | ✓ | ✓ | Intermediate |
| PostNord | 62 C Est. | API Key | ✗ | ? | Intermediate |
| WeCanTrack | 59 C Est. | API Key | ✓ | ✓ | Intermediate |
| PostalPinCode | 52 D Measured | No Auth | ✓ | ? | Beginner |
Free Tracking APIs (No Auth)
These APIs require no API key or signup. Start using them immediately.
PostalPinCode
⭐ Beginner's PickPostalPinCode is a free public API that returns postal and address details for any Indian PIN code.
Postmon
⭐ Beginner's PickPostmon is a free, open-source API for looking up Brazilian ZIP codes (CEP) and getting structured address information.
WhatPulse
⭐ Beginner's PickWhatPulse is a free public API that exposes keyboard, mouse, and network usage statistics collected by the WhatPulse desktop application.
Try It in 5 Minutes: PostalPinCode
Quick implementation example using PostalPinCode.
Using curl
curl "https://api.postalpincode.in/pincode/110001"
JavaScript
const url = "https://api.postalpincode.in/pincode/110001";
const response = await fetch(url);
if (!response.ok) throw new Error(`Request failed: ${response.status}`);
const data = await response.json();
console.log(data); New to APIs? Read our Getting Started Guide →
Frequently Asked Questions
How many Tracking APIs are available?
There are 9 Tracking APIs in our directory as of 2026.
Are there free Tracking APIs?
Yes, 3 Tracking APIs require no authentication and are completely free to use.
What is the easiest Tracking API to use?
PostalPinCode is one of the easiest to get started with. It is rated as beginner-level and requires no authentication.
Do I need an API key for Tracking APIs?
It depends. 3 APIs need no authentication, 5 require an API key, and 0 use OAuth.