Headless-Render-API vs Prerender.io (2026): which should you pick?

Pick Headless-Render-API if

• Fits if you run a Node.js or Next.js app and can add a middleware yourself
• Works for developers who also need screenshots or PDFs of pages from the same API

Look elsewhere if

• Watch out: going one request past 20,000 in a cycle moves the bill from $9 to $40
• Not for you if you want reports, as it's an API with no dashboard
• Tight if you use nginx, Apache, Ruby, Golang or IIS, whose integrations are examples and less well kept
• Tight if you stay free, at 500 requests a month and 15 an hour without a token
• Skip it if you can't edit your server, as setup is a middleware or proxy rule

Pick Prerender.io if

• Fits if your site is a JavaScript app and search or AI crawlers see empty pages
• Works for fixing blank link previews on Facebook, WhatsApp and similar apps

Look elsewhere if

• Watch out: when the trial ends, rendering stops and crawlers get errors until you pay or remove it
• Pricey if you go over your renders, at $2.25 per 1,000 on Starter, with desktop, mobile, redirect and error pages all counted
• Not for you if you can't touch your server or CDN, as setup means adding middleware or a rule
• Tight if you want annual billing, which comes only with the custom-priced Enterprise Plus

Headless-Render-API

• Billing is by API requests at the end of each 30-day cycle, so going just past 20,000 requests moves the bill from $9 to $40.
• Without billing details, use is capped at 500 requests a month.
• The nginx, Apache, Ruby, Golang and IIS integrations are offered as examples and are not as well maintained as the Node.js, Docker, Next.js and CloudFront ones.
• It is an API with no dashboard of reports; setup means adding middleware or a proxy rule to your server.

Prerender.io

• The free plan ended in October 2025; when the 30-day trial runs out, rendering stops and crawlers get errors until you pay or remove the integration.
• Renders past the allowance cost $2.25 per 1,000 on Starter. Desktop and mobile render separately, and redirect and error pages count too.
• Self-serve plans bill monthly; annual billing comes with the custom-priced Enterprise Plus plan.
• Setup means adding middleware or a CDN rule to your server, framework or hosting.

Headless-Render-API

Pre-rendering for single-page apps

Proxy all requests, or only bots such as Googlebot and Twitterbot, through headless Chrome and get rendered HTML back for SEO and link previews.

Waits for data and keeps state

Rendering waits for XHR and WebSocket calls to finish, caches AJAX responses and can serialize app state into the HTML for the browser to pick up.

Screenshot API

Capture pages as PNG, WebP or JPEG, with options for device size, mobile viewport, high-DPI scale and cropping to an element.

PDF API

Print a page to PDF with page ranges, margins, paper size, landscape mode, background printing or a single page with no breaks.

Scrape API

Returns a rendered page's HTML, title, meta and Open Graph tags, links, status code and headers, with an optional screenshot.

Middleware and Docker server

A Node.js middleware and a ready-made pushstate server, run from npm or Docker, serve a build folder or an S3 bucket through the service.

Prerender.io

Rendering for crawlers

Requests from bots are sent to Prerender.io, which returns a cached, fully rendered HTML copy of the page instead of an empty JavaScript shell.

AI Insights

Shows which AI crawlers, such as GPTBot and ClaudeBot, reach the site, which pages they see and what blocks them. Included on every self-serve plan.

Cache controls

Set how often pages are re-rendered, from every 24 hours to 7 days on Starter down to every 6 hours on Pro, with sitemap revisits for new URLs.

Social link previews

Rendered pages give sharing bots the titles and images they need, so link previews load on Facebook, Pinterest, WhatsApp and similar apps.

Many integration options

Setup guides cover Cloudflare Workers, Nginx, Apache, Amazon CloudFront, Fastly, Next.js, Netlify, WordPress, Magento and app builders such as Lovable.

Headless-Render-API

• Free$0

  Under 500 requests a month. Also the fallback tier if a card payment fails three times.

• Under 20,000 requests$9

  per month for under 20,000 requests, billed after use

  Charged at the end of each 30-day cycle; no rate limit once billing details are added.

• Under 100,000 requests$40

  per month for under 100,000 requests, billed after use

  The top flat tier. Above 100,000 requests the whole month is charged per request instead.

• 1 million requests$360

  per month for 1,000,000 requests, billed after use

  $0.00036 per request above 100,000 a month, so 1.5 million requests cost $540.

• 10 million requests$3,240

  per month for 10,000,000 requests, billed after use

  $0.000324 per request at this volume.

• 100 million requests$25,000

  per month for 100,000,000 requests, billed after use

  $0.00025 per request, so 150 million requests cost $37,500.

Prerender.io

• Starter$59

  per month for 30,000 renders, billed monthly

  Unlimited domains, API access, cache refresh every 24 hours to 7 days, 60 days of data and extra renders at $2.25 per 1,000.

• Growth$169

  per month for 100,000 renders, billed monthly

  Cache refresh every 12 hours to 14 days, 6 months of data, an audit log and extra renders at $1.75 per 1,000.

• Pro$419

  per month for 500,000 renders, billed monthly

  Cache refresh every 6 hours to 30 days, per-URL cache rules, 2 years of data, priority support and extra renders at $1.50 per 1,000.

• Enterprise PlusCustom

  1 million or more renders, a dedicated success and account manager, a 2-hour support SLA, business reviews and annual billing.