Overview
pumaDB and Firma.dev are two specialized developer tools that solve very different problems. pumaDB provides durable memory storage for AI agents, allowing them to remember facts, preferences, and context across sessions without setting up a database. Firma.dev is an ultra-low-cost e-signature API designed for SaaS companies to embed document signing into their applications. This comparison highlights their features, pricing, and ideal use cases.
Feature Comparison
| Feature | pumaDB | Firma.dev |
|---|---|---|
| Primary Use Case | Durable memory for AI agents | E-signature API for SaaS |
| Target Audience | AI/agent developers | SaaS developers and startups |
| Integration Method | Hosted MCP or REST API | REST API, iFrame, UI components |
| Data Storage | JSON rows with version history | Documents, templates, signing records |
| Pricing Model | Free tier with limits | Pay-as-you-go: €0.029/envelope |
| Compliance | Not specified | SOC 2, ISO 27001, eIDAS, GDPR |
| White-Label | Not applicable | Fully white-label |
| Real-time Events | Not specified | Webhooks and server-sent events |
| Version History | Yes (last 10 versions, 30 days) | Audit trails and certificates |
| Rate Limits | 30 writes/min, 60 reads/min | Not specified |
Pricing
pumaDB offers a free tier with 20 tables, 1,000 rows per table, and 25 MB total storage. Rate limits apply (30 writes/min, 60 reads/min per key). Paid plans are likely available but not detailed on the website.
Firma.dev uses a pay-as-you-go model at €0.029 per envelope (~3¢ USD). There are no monthly fees, no minimums, and no contracts. A free sandbox with unlimited test usage is available, and you only pay when you send real documents for signing.
Pros and Cons
pumaDB Pros
- Zero infrastructure setup - no database or vector store needed
- Simple MCP and REST integration for agents
- Automatic version history with easy restore
- Natural language memory updates via agents
- Lightweight and focused on agent memory
pumaDB Cons
- Limited to 1,000 rows per table (free tier)
- No compliance certifications mentioned
- Not suitable for large-scale or complex data storage
- Relatively new product with limited community
Firma.dev Pros
- Extremely low cost - 99% cheaper than DocuSign
- Developer-first with clean REST API and quick integration
- Fully white-label and resell-ready
- Strong compliance (SOC 2, ISO 27001, eIDAS, GDPR)
- Real-time webhooks and event streaming
Firma.dev Cons
- Only supports e-signature use case
- Pricing per envelope may add up at high volume
- Requires API key management and security awareness
- Limited to document signing workflows
Verdict
Choose pumaDB if you need a simple, durable memory store for AI agents without infrastructure overhead. Choose Firma.dev if you need an affordable, developer-friendly e-signature API for your SaaS application. They serve completely different purposes, so the choice depends entirely on your use case.
Firma.dev
pumaDB