
Correios API alternatives
Integration to provide information and prepare shipments using Correio's services. 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, Correios API: HTTPS.
- 1
WeCanTrack API
Online · 713 msAutomatically place subids in affiliate links to attribute affiliate conversions to click data.
- Callable from the browser (CORS)
- HTTPS
apiKeyHTTPSCORS - 2
WhereParcel API
Online · 692 msUnified parcel tracking API across 60+ carriers worldwide (USPS, FedEx, UPS, DHL, etc.).
- Callable from the browser (CORS)
- HTTPS
apiKeyHTTPSCORS - 3
PostalPinCode API
Online · 857 msAPI for getting Pincode details in India.
- No API key needed
- HTTPS
No authHTTPSCORS ? - 4
Aftership API
Online · 506 msAPI to update, manage and track shipment efficiently.
- Callable from the browser (CORS)
- HTTPS
apiKeyHTTPSCORS - 5

Mapbox API
Online · 519 msMaps, directions, geocoding. A free tracking API by Mapbox.
- HTTPS
apiKeyHTTPSCORS ? - 6
UPS API
Online · 477 msTrack 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 ? - 7

WhatPulse API
Online · 1429 msSmall application that measures your keyboard/mouse usage.
- No API key needed
- HTTPS
No authHTTPSCORS ? - 8

Pixela API
Online · 1931 msAPI for recording and tracking habits or effort, routines.
- Callable from the browser (CORS)
- HTTPS
X-Mashape-KeyHTTPSCORS - 9
Postmon API
Online · 747 msAn API to query Brazilian ZIP codes and orders easily, quickly and free.
- No API key needed
No authNo HTTPSCORS ? - 10
PostNord API
Online · 585 msProvides information about parcels in transport for Sweden and Denmark.
apiKeyNo HTTPSCORS ?
Correios API vs alternatives
| API | API key | HTTPS | CORS | Uptime | Response | Rating |
|---|---|---|---|---|---|---|
| Required | Yes | Unknown | Up | 3672 ms | Not rated | |
| Required | Yes | Yes | Up | 713 ms | Not rated | |
| Required | Yes | Yes | Up | 692 ms | Not rated | |
| No | Yes | Unknown | Up | 857 ms | Not rated | |
| Required | Yes | Yes | Up | 506 ms | Not rated | |
| Required | Yes | Unknown | Up | 519 ms | Not rated | |
| Required | Yes | Unknown | Up | 477 ms | Not rated | |
| No | Yes | Unknown | Up | 1429 ms | Not rated | |
| X-Mashape-Key | Yes | Yes | Up | 1931 ms | Not rated |
See also: best Tracking APIs · all Tracking APIs
Correios API alternatives FAQ
What is the best free alternative to the Correios API in 2026?
The top-ranked free alternatives to the Correios API are WeCanTrack API, WhereParcel API and PostalPinCode API, all in the Tracking category. Rankings combine access (API key, HTTPS, CORS), daily uptime checks and developer ratings.
Is there a Correios API alternative that doesn't need an API key?
Yes: PostalPinCode API, WhatPulse API and Postmon API work without an API key, unlike the Correios API, which uses apiKey authentication.
Is there a Correios 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 Correios API?
The directory lists 10 other free Tracking APIs. This page compares the top ones side by side.