TypeScript SDK for Century

// Save as century-sdk.ts in your project.
import { CenturyClient } from "./century-sdk";
import { supabase } from "./supabase"; // your Supabase client

export const century = new CenturyClient({
  baseUrl: "https://centuryvtu.com",
  getAccessToken: async () => {
    const { data } = await supabase.auth.getSession();
    return data.session?.access_token ?? null;
  },
});

// Wallet
const wallet = await century.wallet.getWalletState();

// Buy airtime (server verifies transaction PIN)
await century.vtu.buyAirtime({
  network: "MTN",
  phone: "080XXXXXXXX",
  amount: 500,
  pin: "1234",
});

// Start a Paystack top-up
const { authorizationUrl } = await century.payments.startPaystackTopup({
  amount: 2000,
  email: user.email,
  callbackUrl: "myapp://pay/callback",
});

// Errors are typed
import { CenturyApiError } from "./century-sdk";
try {
  await century.wallet.transfer({ username: "kene", amount: 1000, pin: "1234" });
} catch (err) {
  if (err instanceof CenturyApiError && err.status === 401) {
    // token expired
  }
}