API archive entry · source-reported
PostalPinCode
API for getting Pincode details in India
Other Tracking APIs
These records share a directory category and are ordered by similarity of reported access facts. They are a shortlist, not proof of drop-in compatibility.
WhatPulse
Small application that measures your keyboard/mouse usage
No auth · HTTPS reported · CORS Unknown
Postmon
An API to query Brazilian ZIP codes and orders easily, quickly and free
No auth · HTTPS unconfirmed · CORS Unknown
Correios
Integration to provide information and prepare shipments using Correio's services
API key · HTTPS reported · CORS Unknown
Mapbox
Maps, directions, geocoding
API key · HTTPS reported · CORS Unknown
UPS
Shipment and Address information
API key · HTTPS reported · CORS Unknown
Aftership
API to update, manage and track shipment efficiently
API key · HTTPS reported · CORS Yes
How to compare them
Coverage
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Operating cost
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Integration risk
Test auth, errors, pagination, latency, versioning, and outage behavior.
Data rights
Review attribution, redistribution, retention, privacy, and commercial-use terms.
Source reference
This page separates source-reported facts from questions that need live provider verification.