bhimupijs

Bhimupijs is an npm module that can be used to validate, verify, and generate QR codes for UPI IDs. It is a lightweight and easy-to-use library.

matools-validate

A comprehensive validation library for Indian identifiers including Phone numbers, IFSC codes, PAN, GSTIN, Aadhaar, and Pincodes

nigeria-validator

Validate and format common Nigerian data: phone numbers, BVNs, bank codes, etc.

bankcode-bic

Convert bank codes from IBAN to BICs, Name of bank. Currently supports only some selected EU countries.