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Head-to-head · PDF Creation Software

APITemplate.io vs Anvil PDF Generation API

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score APITemplate.io #16 in PDF Creation Software 7.5/10 Free plan Free plan✓ 3 of 4 features Visit APITemplate.io
Anvil PDF Generation API #19 in PDF Creation Software 7.2/10 Free plan Free plan✓ 4 of 4 features Visit Anvil

APITemplate.io leads on 1 check, Anvil PDF Generation API on 0, and 5 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreAPITemplate.io · 7.5/10
  • Lowest starting priceAPITemplate.io · $19/mo
  • Free planboth
  • Most featuresAnvil PDF Generation API · 4 of 4

APITemplate.io scores higher on our rubric for pdf creation software: 7.5 against 7.2 out of 10; our editors rank them #16 and #19.

APITemplate.io is cheaper to start at $19/mo against $99/mo.

APITemplate.io is the better fit for HTML/CSS template-driven PDF APIs. Anvil PDF Generation API is the better fit for secure HTML and Markdown PDF APIs.

  • APITemplate.io fits best

    HTML/CSS template-driven PDF APIs

  • Anvil PDF Generation API fits best

    Secure HTML and Markdown PDF APIs

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature APITemplate.io 7.5/10 Visit ↗ Anvil PDF Generation API 7.2/10 Visit ↗
At a glance
Editor score 7.5 7.2
Ranking #16 in PDF Creation Software #19 in PDF Creation Software
Best for HTML/CSS template-driven PDF APIs Secure HTML and Markdown PDF APIs
Pricing model Free plan + paid Free plan + paid
Starting price $19/mo (best) $99/mo
Free plan ✓ ✓
Free trial — —
Deployment Cloud Cloud
Platforms Web Web
Support Email, Docs Email
Integrations 9 integrations 1 integrations
Built for Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features APITemplate.io 3/4 · Anvil PDF Generation API 4/4
Data merge ✓ ✓
Bulk PDF generation ✓ ✓
API access ✓ ✓
Fillable form creation Not checked yet ✓ (best)
Specs
Maximum pages Not checked yet Not checked yet
Input sources HTML, CSS, JSON, URL, Markdown, reusable templates HTML, CSS, Markdown, JSON data
Deployment Web Web
Our review
Pros
  • Reusable HTML/CSS and visual PDF templates
  • Supports URLs, Markdown, raw HTML, and JSON data
  • REST API, webhooks, and automation integrations
  • Supports HTML/CSS, Markdown, JSON embedding, and dynamic document length
  • Includes custom fonts, page settings, forms, headers, footers, and page numbers
  • Offers encrypted payloads, SDKs, and a free sandbox for dashboard use
Cons
  • Free plan is limited to 3 templates and 50 files monthly
  • Higher template and volume limits require paid plans
  • Annual-billing prices are shown as monthly amounts
  • API key access on the Free plan requires a credit card or an upgrade
  • The first named paid tier costs $99 per month
  • Advanced signing features begin with the $425-per-month Product Pack
Our verdict

APITemplate.io is a web-based document generation service for developers, automation specialists, designers, marketers, and business teams. It creates reusable PDF templates through HTML/CSS or a visual WYSIWYG editor, then populates them…

Read the review →

Anvil PDF Generation API is a hosted REST service for developers and product teams that need to create PDFs programmatically. It accepts HTML and CSS or structured Markdown with JSON data, returns binary PDF output, and provides…

Read the review →
  1. APITemplate.ioPDF Creation Software 7.5Free plan
  2. Anvil PDF Generation APIPDF Creation Software 7.2Free plan

Strengths and trade-offs

  • APITemplate.io — where it wins

    • Reusable HTML/CSS and visual PDF templates
    • Supports URLs, Markdown, raw HTML, and JSON data
    • REST API, webhooks, and automation integrations

    Where it doesn't

    • Free plan is limited to 3 templates and 50 files monthly
    • Higher template and volume limits require paid plans
    • Annual-billing prices are shown as monthly amounts

  • Anvil PDF Generation API — where it wins

    • Supports HTML/CSS, Markdown, JSON embedding, and dynamic document length
    • Includes custom fonts, page settings, forms, headers, footers, and page numbers
    • Offers encrypted payloads, SDKs, and a free sandbox for dashboard use

    Where it doesn't

    • API key access on the Free plan requires a credit card or an upgrade
    • The first named paid tier costs $99 per month
    • Advanced signing features begin with the $425-per-month Product Pack
  • APITemplate.io7.5/10 · Free plan

    A flexible choice for HTML/CSS-driven PDF generation with APIs, templates, and automation.

    Visit APITemplate.ioFull verdict →
  • Anvil PDF Generation API7.2/10 · Free plan

    A flexible PDF API with strong document controls, but a high entry price for paid plans.

    Visit AnvilFull verdict →

All PDF creation software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update