@njia/sdk

Mobile money rails for builders. One clean API over M-Pesa and Airtel Money — payments, subscriptions, and signed webhooks.

npm install @njia/sdk

import { Njia } from "@njia/sdk";

const njia = new Njia(process.env.NJIA_API_KEY);

const payment = await njia.payments.create(
  { channel: "mpesa", amount: 150000, phone: "254712345678", reference: "ORDER-42" },
  { idempotencyKey: "order-42" }
);

Verify webhooks:

import { verifyWebhookSignature } from "@njia/sdk";

const ok = verifyWebhookSignature({
  payload: rawBody,
  header: req.headers["njia-signature"],
  secret: process.env.NJIA_WEBHOOK_SECRET,
});

Full docs: https://njia.dev/docs