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PRERENDERING API

ENTERPRISE
PRERENDERING ENGINE & SEO AUDIT API

Setup pre-rendering as a middleware in your own infrastructure. Unlimited domains and usage based pricing for platforms and high volume agencies.

1

Pre-render

Render any JavaScript page into crawler-friendly HTML on demand via a simple GET request.

// GET /api/prerender/render?url=<target>
const res = await fetch(
'https://lovablehtml.com/api/prerender/render' +
'?url=https://your-app.com/page',
{ headers: { 'x-lovablehtml-api-key': 'sk_...' } }
);
const html = await res.text();
// Check response headers for SEO signals
const cache = res.headers.get('x-lovablehtml-render-cache');
// → "hit" (served from cache) or "miss" (fresh render)
const snapshotKey = res.headers.get('x-lovablehtml-snapshot-key');
// Stored snapshot object key (when available)
// 304 - Passthrough (static asset, non-HTML)
// Location header contains origin URL to proxy
2

SEO Audit

Crawl and audit your site for 30+ SEO issues. Get detailed reports with severity and recommendations.

// POST /api/seo-spider/runs
const audit = await fetch(
'https://lovablehtml.com/api/seo-spider/runs',
{
method: 'POST',
headers: {
'x-lovablehtml-api-key': 'YOUR_API_KEY',
'Content-Type': 'application/json'
},
body: JSON.stringify({
domain: 'your-app.com',
urls: ['https://your-app.com/'],
mode: 'follow'
})
}
);
const { runId } = await audit.json();
3

Cache Management

Invalidate cached pages and optionally prewarm them with fresh renders in a single request.

// POST /api/prerender/cache/invalidate-paths-cache
const invalidate = await fetch(
'https://lovablehtml.com/api/prerender' +
'/cache/invalidate-paths-cache',
{
method: 'POST',
headers: {
'x-lovablehtml-api-key': 'YOUR_API_KEY',
'Content-Type': 'application/json'
},
body: JSON.stringify({
domain: 'your-app.com',
paths: ['/products', '/blog'],
prewarm: true
})
}
);

COMPLETE PRE-RENDERING SUITE

Everything you need to add enterprise-grade SEO capabilities to your platform.

Enterprise Prerendering Engine

High-performance headless rendering at scale. Render any JavaScript-heavy page into crawler-friendly HTML with sub-second response times from edge cache.

Engine Active
500k renders/mo included
cachedacme.com/products12ms
cachedshop.example.io/cart8ms
rendermyapp.dev/pricing1.2s
cachedstartup.co/about15ms
cachedbrand.store/contact9ms
Cache hit rate98.2%

SEO Audit API

Comprehensive site audits covering 30+ SEO factors. Get actionable insights on meta tags, links, content quality, and technical SEO issues.

Audit Results67 pages
META_DESC_MISSING3
CONTENT_THIN7
TITLE_TOO_LONG5
Pages healthy45

Scheduled Tasks

Set up recurring prerender and audit jobs. Daily sitemaps, weekly full audits, or custom schedules with webhook notifications.

SEO Spider audit
Weekly
Mon 00:00
Sitemap recrawl
Weekly
Tomorrow
Cache validation
Hourly
In 45m

On-Demand Rendering

Render any URL instantly via API. Perfect for dynamic content, user-generated pages, or real-time cache invalidation workflows.

$ curl request
GET /api/prerender/render?url=https://app.com/page
-H "x-lovablehtml-api-key: sk_..."
Response: 200 OKtext/html • 1.2s

BUILT FOR SCALE

Unlimited Domains

Connect as many domains as you need. Single API key works across all your applications.

Sub-200ms Cache

Pre-rendered pages served from 300+ edge locations worldwide for instant response times.

Unified Dashboard

Real-time analytics, usage tracking, and centralized billing across all domains.

RESTful APIs

Clean, well-documented endpoints with SDKs for Node.js, Python, and Go.

Custom Caching

Fine-grained cache control with custom TTLs, purge endpoints, and re-crawl triggers.

Enterprise Security

API key rotation, IP allowlists, rate limiting, and custom rules.

SIMPLE, TRANSPARENT PRICING

Choose the plan that fits your platform's needs.

Pay As You Go

Get started free — pay only for overages

$0
10 renders/month
$5 per 1,000 renders
1 SEO audit/month
100 pages per audit run
  • Fastest Prerendering Engine on the market
  • SEO Audit, cache validation & on-demand prerendering endpoints
  • 10k crawl analytics events
  • On-demand & scheduled rendering
  • Unified dashboard
  • Centralized billing
  • Unlimited domains
  • Custom caching & re-crawl options

Starter

START 7-DAY FREE TRIAL

For agencies needing API access

$49
/month
30k renders
$2 per 1,000 extra renders
30k pages SEO audits
max 5K pages per audit run
  • Everything in Pay As You Go
  • 300k crawl analytics events
  • Direct email support from engineer
Most Popular

Platform

START 7-DAY FREE TRIAL

For platforms needing API access

$299
/month
500k renders
$1.25 per 1,000 extra renders
200k pages SEO audits
max 20K pages per audit run
  • Everything in Starter
  • 5M crawl analytics events
  • Priority email support from engineer

Enterprise

For large-scale deployments

Custom
pricing

Contact us for volume pricing and custom requirements.

  • Everything in Platform
  • Highly Scalable Infrastructure
  • Flexible volume pricing
  • Customized features + deployment
  • Dedicated CSM + engineer support
  • Slack Connect support
  • Enterprise-grade security
  • Custom SLA
  • Custom caching rules

COMPARE WITH PRERENDER.IO

See how we stack up against the incumbent.

Feature LovableHTML Prerender.io
500k renders pricing $299/mo $349/mo
Embeddable dashboard Yes No
Always-fresh rendering Yes No
Works with Google Ads Yes No - causes cloaking issues
Cache invalidation endpoints Yes + scheduled Scheduled only
Do-it-for-you setup assistance Yes Paid
SEO Audit API Yes No
Owned by Fellow Agency owners Private equity

FREQUENTLY ASKED QUESTIONS

GET SETUP AND READY THIS AFTERNOON

Get setup today and start rendering pages in minutes. Our team is ready to help you integrate.

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