Developer API & Widget

The upcoming CheckPincode.com developer API will allow software applications, ERP systems, and checkout portals to verify and autocomplete address fields using pincodes and post office directory references directly.

Sandbox Widget Demo

Type a valid 6-digit Pincode below (e.g. 600020 or 110001) to see the script autocomplete the fields in real-time.

B2B Widget Integration

Copy and paste this lightweight script tag into your checkout pages. The widget automatically binds to fields decorated with the attributes below.

<script src="https://checkpincode.com/widget.js" data-api-url="https://api.checkpincode.com/v1" ></script>  <form> <input type="text" data-pincode-input placeholder="Zip Code" /> <input type="text" data-state-output placeholder="State" /> <input type="text" data-district-output placeholder="District" /> <select data-office-output><option>Select Office</option></select> </form>

REST API Documentation

Developers can also query the lookup API directly using REST endpoints:

1. Get Pincode Details

GET https://api.checkpincode.com/v1/pincode/600020

Retrieves a list of all post offices, taluks, and districts mapped under the specified 6-digit PIN code.

2. Fuzzy Search Endpoint

GEThttps://api.checkpincode.com/v1/pincodes?query=Adyar&stateId=32

Queries post offices matching a specific term inside an isolated state.

Upcoming Webhook Syncs

Subscribed developer keys will also support webhooks to push catalog changes immediately to your databases when updates are committed in the central postal registers.