HTML to PDF in Laravel — without Dompdf or wkhtmltopdf

<?php

namespace App\Http\Controllers;

use Illuminate\Support\Facades\Http;

class InvoicePdfController extends Controller
{
    public function show(int $id)
    {
        $invoice = Invoice::findOrFail($id);
        $html = view("invoices.pdf", compact("invoice"))->render();

        $res = Http::withHeaders([
            "X-API-Key" => config("services.html2dochub.key"),
        ])->post("https://api.html2dochub.com/v1/render", [
            "type"    => "pdf",
            "html"    => $html,
            "options" => ["format" => "A4", "margin" => "18mm"],
        ])->throw()->json();

        $pdf = Http::get($res["download_url"])->body();

        return response($pdf, 200, [
            "Content-Type"        => "application/pdf",
            "Content-Disposition" => 'attachment; filename="invoice-' . $id . '.pdf"',
        ]);
    }
}

// config/services.php
return [
    // ...
    "html2dochub" => [
        "key" => env("HTML2DOCHUB_API_KEY"),
    ],
];

// .env
HTML2DOCHUB_API_KEY=sk_live_YOUR_KEY

<?php

namespace App\Jobs;

use Illuminate\Bus\Queueable;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Foundation\Bus\Dispatchable;
use Illuminate\Queue\InteractsWithQueue;
use Illuminate\Queue\SerializesModels;
use Illuminate\Support\Facades\Http;

class GenerateReportPdf implements ShouldQueue
{
    use Dispatchable, InteractsWithQueue, Queueable, SerializesModels;

    public int $tries = 3;
    public int $backoff = 30;

    public function __construct(public int $reportId) {}

    public function handle(): void
    {
        $report = Report::findOrFail($this->reportId);
        $html = view("reports.pdf", compact("report"))->render();

        $res = Http::withHeaders(["X-API-Key" => config("services.html2dochub.key")])
            ->timeout(30)
            ->post("https://api.html2dochub.com/v1/render", [
                "type"            => "pdf",
                "mode"            => "async",
                "html"            => $html,
                "webhook_url"     => route("webhooks.pdf_ready"),
                "tag"             => "report:" . $this->reportId,
                "idempotency_key" => "report-" . $this->reportId . "-v" . $report->version,
            ])
            ->throw()
            ->json();

        $report->update(["html2dochub_job_id" => $res["id"]]);
    }
}

<?php

// routes/web.php
Route::post("/webhooks/pdf-ready", [PdfWebhookController::class, "handle"])
    ->withoutMiddleware([\Illuminate\Foundation\Http\Middleware\VerifyCsrfToken::class])
    ->name("webhooks.pdf_ready");

// app/Http/Controllers/PdfWebhookController.php
public function handle(Request $request)
{
    $payload = $request->all();

    if ($payload["status"] !== "completed") {
        return response()->noContent();
    }

    $report = Report::where("html2dochub_job_id", $payload["id"])->firstOrFail();
    $pdfBytes = Http::get($payload["download_url"])->body();

    Storage::disk("s3")->put("reports/{$report->id}.pdf", $pdfBytes);
    $report->update(["status" => "ready"]);

    return response()->noContent();
}