Render25 — High-performance transactional email platform. Now available.
Client SDKs

Next.js Integration

Using the official render25 package inside Next.js App Router, Server Actions, and Edge runtimes.

Installation

Terminal
npm install render25

Note

Add your API key to .env.local as RENDER25_API_KEY=re_live_....

App Router Route Handler

app/api/send/route.ts
import { Render25 } from "render25";
import { NextResponse } from "next/server";

const render25 = new Render25(); // Automatically uses process.env.RENDER25_API_KEY

export async function POST(req: Request) {
  try {
    const { to, subject, html } = await req.json();

    const { id } = await render25.emails.send({
      from: "notifications@yourdomain.com",
      to,
      subject,
      html,
    });

    return NextResponse.json({ success: true, id });
  } catch (error: any) {
    return NextResponse.json({ error: error.message }, { status: 500 });
  }
}

Server Actions

app/actions/email.ts
"use server";

import { Render25 } from "render25";

const render25 = new Render25();

export async function sendWelcomeEmail(userEmail: string, name: string) {
  try {
    const result = await render25.emails.send({
      from: "welcome@yourdomain.com",
      to: userEmail,
      subject: `Welcome to the team, ${name}!`,
      html: `<h1>Welcome aboard, ${name}</h1><p>We are thrilled to have you.</p>`,
    });

    return { success: true, messageId: result.id };
  } catch (error: any) {
    return { success: false, error: error.message };
  }
}