The Sovereign
OAuth Standard.

import { ProIDProvider, SignInButton } from '@proid/react';

export default function App() {
  return (
    <ProIDProvider 
      clientId="YOUR_CLIENT_ID" 
      region="asia-south1">
      
      <h1>Welcome to my Indian App</h1>
      <SignInButton mode="popup" />
      
    </ProIDProvider>
  );
}

import { verifyProIDToken } from '@proid/node';
import express from 'express';

const app = express();

app.post('/api/protected', async (req, res) => {
  const token = req.headers.authorization;
  
  try {
    // Cryptographically verify the JWT locally
    const user = await verifyProIDToken(token);
    res.json({ success: true, sovereignId: user.uid });
  } catch (error) {
    res.status(401).send("Unauthorized");
  }
});

from proid_sdk import ProIDClient
from fastapi import FastAPI, Depends

app = FastAPI()
proid = ProIDClient(client_id="YOUR_CLIENT_ID")

@app.get("/api/data")
async def get_data(user: dict = Depends(proid.verify_token)):
    # The user dictionary is guaranteed to be 
    # fetched from the Mumbai Sovereign Vault
    
    return {"message": f"Hello {user['handle']}"}