Postmon API alternatives

An API to query Brazilian ZIP codes and orders easily, quickly and free. If it doesn't fit your project, here are the 10 best free Tracking APIs to use instead in 2026, out of 10 in the directory.

For reference, Postmon API: No API key needed.

1
PostalPinCode API
Online · 857 ms
API for getting Pincode details in India.
- No API key needed
- HTTPS
No authHTTPSCORS ?
2
WhatPulse API
Online · 1429 ms
Small application that measures your keyboard/mouse usage.
- No API key needed
- HTTPS
No authHTTPSCORS ?
3
WeCanTrack API
Online · 713 ms
Automatically place subids in affiliate links to attribute affiliate conversions to click data.
- Callable from the browser (CORS)
- HTTPS
apiKeyHTTPSCORS
4
WhereParcel API
Online · 692 ms
Unified parcel tracking API across 60+ carriers worldwide (USPS, FedEx, UPS, DHL, etc.).
- Callable from the browser (CORS)
- HTTPS
apiKeyHTTPSCORS
5
Aftership API
Online · 506 ms
API to update, manage and track shipment efficiently.
- Callable from the browser (CORS)
- HTTPS
apiKeyHTTPSCORS
6
Mapbox API
Online · 519 ms
Maps, directions, geocoding. A free tracking API by Mapbox.
- HTTPS
apiKeyHTTPSCORS ?
7
UPS API
Online · 477 ms
Track the health of UPS APIs and stay up to date on issues such as network or system outages, scheduled maintenance, and resolved issues.
- HTTPS
apiKeyHTTPSCORS ?
8
Pixela API
Online · 1931 ms
API for recording and tracking habits or effort, routines.
- Callable from the browser (CORS)
- HTTPS
X-Mashape-KeyHTTPSCORS
9
Correios API
Online · 3672 ms
Integration to provide information and prepare shipments using Correio's services.
- HTTPS
apiKeyHTTPSCORS ?
10
PostNord API
Online · 585 ms
Provides information about parcels in transport for Sweden and Denmark.
apiKeyNo HTTPSCORS ?

Postmon API vs alternatives

Postmon API compared with its alternatives
API	API key	HTTPS	CORS	Uptime	Response	Rating
Postmon	No	No	Unknown	Up	747 ms	Not rated
PostalPinCode	No	Yes	Unknown	Up	857 ms	Not rated
WhatPulse	No	Yes	Unknown	Up	1429 ms	Not rated
WeCanTrack	Required	Yes	Yes	Up	713 ms	Not rated
WhereParcel	Required	Yes	Yes	Up	692 ms	Not rated
Aftership	Required	Yes	Yes	Up	506 ms	Not rated
Mapbox	Required	Yes	Unknown	Up	519 ms	Not rated
UPS	Required	Yes	Unknown	Up	477 ms	Not rated
Pixela	X-Mashape-Key	Yes	Yes	Up	1931 ms	Not rated

Postmon API alternatives FAQ

What is the best free alternative to the Postmon API in 2026?

The top-ranked free alternatives to the Postmon API are PostalPinCode API, WhatPulse API and WeCanTrack API, all in the Tracking category. Rankings combine access (API key, HTTPS, CORS), daily uptime checks and developer ratings.

Is there a Postmon API alternative I can call from the browser?

WeCanTrack API, WhereParcel API and Aftership API support CORS, so front-end JavaScript can call them directly.

How many Tracking APIs are similar to the Postmon API?

The directory lists 10 other free Tracking APIs. This page compares the top ones side by side.