Quickstart

curl -X POST "https://api.kryptopay.xyz/v1/payment_intents" \
  -H "Authorization: Bearer kp_test_xxx" \
  -H "Content-Type: application/json" \
  -d '{
    "amount_units": 2500000,
    "chain": "base",
    "token": "USDC",
    "expires_in_minutes": 15,
    "lane": "sdk",
    "metadata": { "order_id": "ord_1001" }
  }'

import express from "express";

const app = express();
app.use(express.json());

app.post("/api/create-intent", async (req, res) => {
  const { amountUnits, orderId } = req.body;

  const kpRes = await fetch("https://api.kryptopay.xyz/v1/payment_intents", {
    method: "POST",
    headers: {
      "Authorization": `Bearer ${process.env.KRYPTOPAY_API_KEY}`,
      "Content-Type": "application/json"
    },
    body: JSON.stringify({
      amount_units: amountUnits,
      chain: "base",
      token: "USDC",
      expires_in_minutes: 15,
      lane: "sdk",
      metadata: { order_id: orderId }
    })
  });

  const data = await kpRes.json();
  if (!kpRes.ok) return res.status(kpRes.status).json(data);

  // Return only what frontend needs
  return res.json({ clientSecret: data.client_secret, intentId: data.id });
});

// app/api/create-intent/route.ts
import { NextResponse } from "next/server";

export async function POST(req: Request) {
  const body = await req.json();

  const kpRes = await fetch("https://api.kryptopay.xyz/v1/payment_intents", {
    method: "POST",
    headers: {
      Authorization: `Bearer ${process.env.KRYPTOPAY_API_KEY}`,
      "Content-Type": "application/json",
    },
    body: JSON.stringify({
      amount_units: body.amountUnits,
      chain: "base",
      token: "USDC",
      expires_in_minutes: 15,
      lane: "sdk",
      metadata: { order_id: body.orderId },
    }),
  });

  const data = await kpRes.json();
  return NextResponse.json(data, { status: kpRes.status });
}

import { openKryptoPayModal } from "@kryptopay/sdk";

openKryptoPayModal({
  clientSecret,
  merchantName: "Acme Store",
  onSuccess: (event) => {
    console.log("paid", event.payment_intent_id, event.tx_hash);
  },
  onError: (error) => {
    console.error(error.code, error.message);
  },
});