Add a customer database to SvelteKit without leaving your stack

Step 1 — Create a shared SDK instance

// src/lib/server/tinycrm.ts
import { TinyCRM } from "tinycrm-sdk";
import { TINYCRM_API_KEY } from "$env/static/private";

export const tinycrm = new TinyCRM({ apiKey: TINYCRM_API_KEY });

Step 2 — Identify in a +server.ts route handler

// src/routes/auth/signup/+server.ts
import { json } from "@sveltejs/kit";
import type { RequestHandler } from "./$types";
import { tinycrm } from "$lib/server/tinycrm";
import { db } from "$lib/server/db";

export const POST: RequestHandler = async ({ request }) => {
  const { email, name } = await request.json();

  const user = await db.users.create({ email, name });

  // Fire-and-forget: don't block response
  tinycrm.identify({
    email: user.email,
    name: user.name,
    status: "free",
    params: { plan: "starter" },
  });

  return json({ ok: true });
};

Step 3 — Use in a form action with Lucia Auth

// src/routes/signup/+page.server.ts
import { fail, redirect } from "@sveltejs/kit";
import type { Actions } from "./$types";
import { tinycrm } from "$lib/server/tinycrm";
import { lucia } from "$lib/server/auth";
import { db } from "$lib/server/db";

export const actions: Actions = {
  default: async ({ request, cookies }) => {
    const data = await request.formData();
    const email = data.get("email") as string;
    const name = data.get("name") as string;

    const user = await db.users.create({ email, name });
    const session = await lucia.createSession(user.id, {});

    // Sync to TinyCRM
    tinycrm.identify({ email, name, status: "free" });

    const sessionCookie = lucia.createSessionCookie(session.id);
    cookies.set(sessionCookie.name, sessionCookie.value, {
      path: ".",
      ...sessionCookie.attributes,
    });

    redirect(302, "/dashboard");
  },
};

Step 4 — Track upgrades from a payment webhook

// src/routes/webhooks/stripe/+server.ts
import { json } from "@sveltejs/kit";
import type { RequestHandler } from "./$types";
import { tinycrm } from "$lib/server/tinycrm";
import { verifyStripe } from "$lib/server/stripe";

export const POST: RequestHandler = async ({ request }) => {
  const event = await verifyStripe(request);

  if (event.type === "checkout.session.completed") {
    const email = event.data.object.customer_email!;
    tinycrm.identify({ email, status: "paid", params: { plan: "pro" } });
  }

  return json({ received: true });
};