eSignatures.com API vs Firma.dev
eSignatures.com API
esignatures.comFirma.dev
firma.devSide by side
| Figure | eSignatures.com API | Firma.dev |
|---|---|---|
| Price from | — | €100/mo |
| Free plan | — | — |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| API | Yes | Yes |
| Plans published | 3 | 2 |
| Spec score · E-Signature APIs Software | 8.2 (#11) | 7.9 (#14) |
| Spec score · Electronic Signature APIs | 8.1 (#13) | 7.9 (#17) |
| Compliance | The maker lists ESIGN and UETA, eIDAS at the Simple Electronic Signature level, GDPR, HIPAA support, and other regional e-signature frameworks. | The security page lists eIDAS, UK eIDAS, ESIGN and UETA, GDPR, HIPAA-ready infrastructure, SOC 2, and ISO 27001, while stating that Firma.dev's SOC 2 Type II and ISO 27001 certifications are on its roadmap. |
| Data residency | The maker lists data center choices in the United States, Canada, Australia, Germany, and the United Kingdom. | Customer documents, metadata, audit logs, and backups are stored exclusively in EU data centers, and EU-only residency cannot be changed. |
| Integrations | The product lists Google Drive, Zapier, Make, Claude, ChatGPT, webhooks, and its REST API as integration options. | Firma.dev lists 27 integrations across seven categories, including MCP, Claude Code, ChatGPT, Salesforce, n8n, Zapier, Bubble, and WordPress. |
| Product | The REST API lets customers create, customize, send, and manage contracts and signers, then receive lifecycle updates through webhooks. | Firma.dev is an e-signature API for embedding document signing in applications, aimed at developers and SaaS platforms. |
Plans
eSignatures.com API
- SMS add-on$0.09, paid once
- Pay-as-you-go$0.49, paid once
- Live photo ID verification add-on$2.99, paid once
In their own words
eSignatures.com API
eSignatures.com API has no write-up on Specifiction yet; its figures are above.