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DocSpring
POST JSON; GET PDF - Fill, generate, and sign PDFs via API
# Documents Assistant
Featured on : Mar 25. 2025
Featured on : Mar 25. 2025
What is DocSpring?
DocSpring automates PDF generation. We support fillable PDFs, scanned PDFs, or HTML/CSS with Liquid. Post JSON to our API, or collect data via shareable or embeddable forms with e-signatures and audit trails. Integrate with Python, Ruby, Java, Node, and more.
Problem
Users manually generate PDFs using traditional software or custom scripts, which is time-consuming and error-prone. Manual generation and integration difficulties lead to inefficiencies and lack of scalability for businesses requiring high-volume document processing.
Solution
A PDF automation API tool that enables users to generate, fill, and sign PDFs programmatically via API. Users can send JSON data, embed forms, and integrate with tech stacks (e.g., Python, Ruby) to automate workflows like contracts, invoices, and e-signatures.
Customers
Developers, product managers, and businesses in fintech, HR, or SaaS sectors needing automated document processing for contracts, forms, or compliance.
Unique Features
Combines fillable PDFs, HTML/CSS templates, e-signatures, and audit trails in a single API; supports both scanned PDFs and dynamic HTML-to-PDF rendering.
User Comments
Saves hours on document generation
Easy API integration with clear documentation
Reliable e-signature and audit trail features
Scalable for high-volume use cases
Simplifies compliance with templates
Traction
Featured on ProductHunt with 600+ upvotes; used by 5,000+ companies, including startups and enterprises; offers a free tier and paid plans starting at $39/month.
Market Size
The global document generation software market is projected to reach $6.8 billion by 2027, driven by demand for automated workflows in enterprises.