TL;DR — Pick the one that fits how you work:
Same document automation quality. Plus URL-to-PDF, templates, form filling, and CSV batch processing. Starting at free instead of enterprise contracts.
Formstack requires enterprise contracts. DocuQueue offers transparent pricing and a free tier.
DocuQueue is a modern PDF generation API that does everything Formstack Documents does and more. Convert HTML or URLs directly, fill PDF forms, generate from templates, and process batches from CSV.
Formstack Documents is an enterprise document automation platform that merges data into documents. It has been a reliable option for teams who need document generation integrated with Formstack's ecosystem.
Formstack focuses on enterprise merge. DocuQueue gives you URL-to-PDF and form filling.
Formstack Documents only accepts templates. DocuQueue converts live URLs to PDF with one parameter.
Skip setup work. Use pre-designed invoice, certificate, and report templates out of the box.
Submit data directly to fillable PDF forms. No template setup required.
Upload a CSV, generate hundreds of personalized PDFs in one request. Formstack Documents requires enterprise plan for this.
Free for 25 credits per month. Starter plan at $9 for 250 credits. Formstack Documents requires enterprise contracts.
Connect DocuQueue to 6,000+ apps. Formstack Documents requires Formstack ecosystem.
Upload your own Word documents as templates. Fill them with data via the API. No HTML or CSS required.
Formstack requires enterprise contracts. DocuQueue starts free.
| Feature | Formstack Documents | DocuQueue |
|---|---|---|
| HTML to PDF | Supported | Supported |
| URL to PDF | Not supported | Built-in |
| Built-in templates | Limited | Invoice, certificate, report |
| Custom templates | Custom HTML & DOCX | HTML + .docx |
| Form filling | Not available | Supported |
| CSV batch processing | Enterprise only | Built-in |
| API-first | UI-focused | API-first |
| Feature | Formstack Documents | DocuQueue |
|---|---|---|
| Free tier | Not available | 25 credits/month free |
| Starter price | Enterprise contracts | $9/month |
| Documents at starter | Custom | 250 credits |
| Overage cost | Custom | $0.04 per credit |
| Annual discount | Required | Two months free |
Switching takes a few minutes. The concept is the same (send content, get a PDF), and your templates work without changes.
No credit card required. You get 25 free credits and an API key instantly.
// Before (Formstack Documents) const response = await fetch( 'https://api.formstack.com/documents', { method: 'POST', headers: { 'Authorization': 'Bearer TOKEN' }, body: JSON.stringify({ template_id: ID, data: payload }) } ); // After (DocuQueue) const response = await fetch( 'https://docuqueue.com/api/v1/convert-html', { method: 'POST', headers: { 'api-key': API_KEY }, body: JSON.stringify({ html: html }) } );
// Convert a live URL to PDF
const response = await fetch(
'https://docuqueue.com/api/v1/convert-url',
{
method: 'POST',
headers: { 'api-key': API_KEY },
body: JSON.stringify({ url: 'https://example.com/invoice' })
}
);
Same PDF quality, more features, lower cost. Your invoices, certificates, and reports are ready to go.
Formstack Documents requires enterprise contracts with custom pricing. DocuQueue offers 25 credits per month free and a $9/month starter plan with 250 credits. At scale, DocuQueue remains more affordable with transparent overage at $0.04 per credit.
Yes. DocuQueue supports both HTML-to-PDF and URL-to-PDF. Formstack Documents only accepts templates and HTML content. With DocuQueue, you pass a URL parameter and we fetch and render the page server-side.
Yes. DocuQueue includes built-in invoice, certificate, and report templates. You fill them with data via the API. Formstack Documents requires you to set up templates in their UI.
Yes. Upload a CSV with rows of data and generate personalized PDFs in one batch request. Formstack Documents requires enterprise plan for batch processing.
You can purchase additional credits at $0.04 per credit. There is no hard cap. You can also upgrade to a higher plan for a lower per-credit rate.
No. DocuQueue is an independent product built by a different team. We created DocuQueue because we saw an opportunity to offer more features (URL conversion, templates, form filling) at a lower price point.
25 free credits. No credit card required. Switch in minutes.
Try DocuQueue Free →