Firma.dev
E-signatures API for your app averaging ~3¢ per envelope
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At €0.029 per envelope (about 3¢), Firma.dev runs about 99% cheaper than DocuSign, where one envelope can cost $4-5. Pay-as-you-go, no minimums, no contracts. Built developer-first for startups and SaaS teams who'd rather integrate signing in an afternoon than sit through a sales cycle: clean REST API, embeddable template and signing editors, integration in hours. Test everything free with a sandbox key, real docs and unlimited usage, before you pay a cent. Get an API key and start building.
PH · launched Jun 12, 2026 · 324 upvotes (top 31%) · 0 views
Niche: electronic signature software · 76 launches, 10 in the last 7 days ▲ +11% · Explore this niche →
Category and tags
- Horizontal
- Workflow automation
- Developer
- Not AI
- Commercial product
- API
- Developer Tools
Visit website ↗ Source listing ↗
More like this: all 76 launches in electronic signature software →
Could you build this?
Partial A signature pad UI and document upload API can be built rapidly, but a legally compliant, secure e-signature platform requires cryptographic audit trails, PKI digital certificates, and strict regulatory compliance (eIDAS, ESIGN).
What it would actually take: The architecture involves PDF rendering and modification engines (e.g., PDFKit, MuPDF), combined with X.509 PKI certificate generation, timestamp authority (TSA) integration, and cryptographic sealing (PAdES standards). It needs immutable audit logs, tamper-evident hash chaining, secure cloud key management (KMS/HSM), and compliance with eIDAS, ESIGN, and UETA legal requirements. Legal, cryptographic, and document-security expertise are mandatory.
Competitors
Other products that read as similar to this one : 352 launches clear the similarity bar, closest 8 shown.
Attention rank: #135 of 353 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 191 days after the earliest competitor.
- Docustay · ph · 2026-10-27 · 1 upvotes · similarity 0.69
- DollarSign.io · ph · 2026-09-19 · 2 upvotes · similarity 0.69
- VisiSign · hn · 2026-05-15 · 7 upvotes · similarity 0.64
- SignWith · ph · 2026-10-16 · 216 upvotes · similarity 0.55
- Psygned · ph · 2026-10-20 · 2 upvotes · similarity 0.54
- HelloWeSign · ph · 2026-10-27 · 1 upvotes · similarity 0.54
- Sign · ph · 2026-09-08 · 2 upvotes · similarity 0.54
- SignToSee · ph · 2026-10-19 · 1 upvotes · similarity 0.52
The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.