HTML to Image is the image-first alternative to APITemplate.io, with raw HTML rendering, URL screenshots and no template caps on any plan.
Disclosure: we built HTML to Image. We've kept this comparison honest because the alternative is search results full of low-effort listicles.
| Feature | APITemplate.io | HTML to Image |
|---|---|---|
| Entry plan price | $35 / 1,500 images or PDFs | $9 / 1,000 credits |
| Free tier | 50 images or PDFs per month, 3 templates | 25 images per month, no card |
| Named templates | Yes (editors, capped per plan) | 25 |
| Raw HTML support | PDFs only | Yes |
| URL screenshots | No (URL to PDF only) | Yes |
| JavaScript execution | Yes (in HTML templates) | Yes |
| Webhook delivery | Yes | Yes |
| Custom fonts | Yes | Yes |
| Per-seat charges | Not surfaced | No |
| Best for | teams generating PDFs and images from managed templates | image generation from raw HTML or templates without editor lock-in |
Stay with APITemplate.io when PDFs are part of the workload. It generates PDFs from templates, raw HTML or live URLs with headers, footers and page numbering, runs four regional endpoints for latency and data residency, and its drag-and-drop plus HTML editors let less technical colleagues maintain templates. If invoices need to go out as PDF documents rather than images, APITemplate.io does a job we simply do not.
Switch to HTML to Image when the output is images and you want to skip the template-management layer. A specific scenario: your app generates OG images for every published page, social cards for a newsletter and the odd code screenshot. On APITemplate.io each design is a stored template counted against your plan's cap, built in its editor first. On HTML to Image you either call one of the 25 named templates or post your own HTML straight to the API, from $9 a month instead of $35.
Raw HTML straight to image. Send markup, get a PNG, no stored template required. APITemplate.io supports raw HTML for PDFs but its image pipeline runs through templates you create and manage in its editors first. If your HTML is generated per-request from live data, the direct endpoint removes a whole layer of template administration.
No template caps and lower image pricing. All 25 templates are available on every plan, and our pricing is cheaper for images at every published tier: $25 versus $35 at 1,500 renders, $60 versus $89 at 9,000, and $120 versus $179 at 20,000. APITemplate.io caps stored templates at 3, 15 and 150 as you move up its ladder.
URL screenshots to image on the same key. APITemplate.io converts URLs to PDF but does not offer webpage screenshots as images. If your product needs page captures alongside generated graphics, HTML to Image keeps both on one bill.
PDF generation. Templates, raw HTML or live URLs to PDF with custom headers, footers and page numbers, plus dedicated PDF-only plans from $19 a month. HTML to Image outputs PNG images only. If your billing flow must email a PDF invoice, that alone decides it.
Template editors and a bigger integration surface. A drag-and-drop WYSIWYG editor and an HTML/CSS editor with live preview let non-developers own the designs, and native Zapier, Make, n8n, Airtable and Bubble integrations plus SDKs for six languages cover no-code and low-code teams. HTML to Image is HTTP-first with official PHP and Laravel packages.
Regional endpoints. US, EU, Singapore and Australia regions help both latency and data-residency requirements. HTML to Image renders from one region with CDN delivery, which is fine for most workloads but weaker on residency compliance.
# APITemplate.io (template render)
curl -X POST "https://rest.apitemplate.io/v2/create-image?template_id=79667b2b1876e347" \
-H 'X-API-KEY: your-api-key' \
-H 'Content-Type: application/json' \
-d '{"overrides":[{"name":"text_1","text":"Hello"}]}'# HTML to Image (template render)
curl -X POST https://app.html2img.com/api/v1/templates/open-graph-image \
-H 'X-API-Key: your-key-here' \
-H 'Content-Type: application/json' \
-d '{"title":"Hello","subtitle":"From Northwind Studio"}'
Three concrete differences. Templates are selected by URL slug (/templates/{slug}) instead of a template_id query parameter pointing at a template you built in the editor. Inputs are flat named JSON keys rather than an overrides array of element name and property pairs. And the response is a JSON envelope with a single url for the PNG on our CDN, where APITemplate.io returns separate download_url and download_url_png fields. Confirm the designs you need exist in the templates gallery before migrating.
See the API parameters reference for the full request and response shape.
For image workloads there is no crossover: HTML to Image is cheaper at every published tier. At 1,500 renders a month it is $25 on our 3,000 plan versus $35 on Starter. At 9,000 it is $60 versus $89. At 20,000 it is $120 versus $179. Annual billing narrows the gap ($29, $69 and $139 respectively) without closing it. The comparison flips only when PDFs enter the picture, because APITemplate.io's allowance covers images and PDFs from one pool while adding PDF capability to an HTML to Image stack means a second service.
No. HTML to Image renders PNG images only. APITemplate.io generates PDFs from templates, raw HTML or live URLs, with headers, footers and page numbers, and offers PDF-only plans from $19 a month. If PDFs are the main job or half the job, APITemplate.io covers ground we do not.
No. All 25 named templates are available on every plan, including the free tier. APITemplate.io caps stored templates per plan: 3 on the free tier, 15 on Starter and 150 on Standard, with unlimited only on Enterprise at $179 a month. If you generate many design variants, that cap is the number to check first.
Yes, that is the core of the product. The HTML endpoint takes raw markup with full CSS and JavaScript execution and returns a PNG. On APITemplate.io, images render from templates you build in its drag-and-drop or HTML editors first; raw HTML straight to image in a single API call is not the workflow, though raw HTML to PDF is supported.
No. APITemplate.io offers four regional endpoints (US, EU, Singapore and Australia), which helps with latency and data residency requirements. HTML to Image renders from a single region with global delivery via Cloudflare. If data residency is a compliance requirement, APITemplate.io has the stronger answer today.
The free tier covers 25 renders a month with no credit card. Try the API against your real data before deciding.
No caps, no editor step. Twenty-five pre-built designs available on every plan, including free. JSON in, PNG out, single API call.