Overview
Firma.dev and ReachFast are two specialized SaaS tools that serve entirely different purposes. Firma.dev is a developer-first e-signature API designed for SaaS companies to embed document signing into their applications at a fraction of the cost of traditional providers like DocuSign. ReachFast, on the other hand, is a contact discovery tool that helps recruiters and sales teams find verified direct phone numbers and email addresses from LinkedIn URLs.
Feature Comparison
| Feature | Firma.dev | ReachFast |
|---|---|---|
| Primary Function | E-signature API for embedding document signing | Contact discovery tool for verified phone/email |
| Target Audience | Developers, SaaS companies, startups | Recruiters, sales teams, staffing agencies |
| Integration | REST API, iFrame, pre-built UI, webhooks | API, CSV/Excel import, single lookup |
| Pricing Model | €0.029 per envelope, pay-as-you-go | Pay only for valid data (exact cost not specified) |
| Accuracy | SOC 2, ISO 27001, eIDAS compliant | 97%+ email accuracy, 92%+ direct dial accuracy |
| White-Labeling | Fully white-label with custom branding | Not applicable |
| Data Sources | User-uploaded documents | 385M+ professionals, 6+ data providers |
| Compliance | SOC 2, ISO 27001, eIDAS, GDPR, ESIGN, UETA | GDPR, CCPA, DSGVO compliant |
Pricing
Firma.dev: €0.029 per envelope (approximately $0.03 USD). No monthly fees, no minimums, no contracts. Users buy credits as needed. A free sandbox with unlimited usage is available for testing before paying.
ReachFast: Transparent pricing model where users pay only for valid data. The exact per-contact cost is not publicly listed on the website, but they offer 5 free decision-maker contacts to try the service.
Pros and Cons
Firma.dev
Pros:
- Ultra-low cost (99% cheaper than DocuSign)
- Developer-first with easy REST API and quick integration
- Fully white-label and resell-ready
- Strong compliance certifications (SOC 2, ISO 27001, eIDAS)
- Free sandbox for testing with unlimited usage
Cons:
- Limited to e-signature functionality only
- Pricing per envelope may add up for high-volume users
- Relatively new compared to established competitors
ReachFast
Pros:
- High accuracy (97%+ email, 92%+ direct dial)
- 100% accuracy guarantee with refund for invalid data
- Large database of 385M+ professionals
- Compliance-first (GDPR, CCPA, DSGVO)
- Easy to use with simple import options
Cons:
- Limited to contact discovery; no other features
- Exact pricing not transparently listed
- May not be suitable for non-sales/recruitment use cases
Verdict
Firma.dev and ReachFast are not direct competitors—they solve completely different problems. Firma.dev is ideal for developers and SaaS companies looking to add affordable, white-label e-signature capabilities to their platform. ReachFast is best for recruiters and sales professionals who need accurate, verified contact data to reach decision makers quickly. Choose the tool that aligns with your specific workflow: document signing or contact discovery.

