BoldSign vs Firma.dev
BoldSign
boldsign.comFirma.dev
firma.devSide by side
| Figure | BoldSign | Firma.dev |
|---|---|---|
| Price from | $5/mo | €100/mo |
| Free plan | Yes | — |
| Free trial | — | Yes |
| Open source | — | — |
| Web | — | Yes |
| iOS | Yes | — |
| Android | Yes | — |
| API | Yes | Yes |
| Plans published | 5 | 2 |
| Spec score · Electronic Signature APIs | 9.3 (#1) | 7.9 (#17) |
| Spec score · E-Signature APIs Software | 9.3 (#1) | 7.9 (#14) |
| API access | Yes | Firma.dev describes its product as a plain REST API that can connect to unlisted platforms through a standard HTTP request. |
| Available Integrations | Listed integrations include Salesforce, HubSpot, OneDrive, Power Automate, Zapier, and Xero. | Firma.dev lists 27 integrations across seven categories, including MCP, Claude Code, ChatGPT, Salesforce, n8n, Zapier, Bubble, and WordPress. |
Plans
BoldSign
- EssentialFree
- Growth$5 a month
- Business$25 a month
- Premium$138 a month
- Enterprise API$0.75, paid once
In their own words
BoldSign
BoldSign is an electronic signature service for sending, signing, and managing documents. It offers templates, bulk sending, audit trails, SMS authentication, and signature ordering, along with APIs and SDKs for embedding signing workflows in applications. Android and iOS apps support mobile signing, and Chrome and Edge extensions are available. The free Essential plan includes 25 envelopes per month, two templates, and one user. A 30-day free trial does not require a credit card; paid plans start at $5/user/mo (annual). Team collaboration, roles, custom permissions, and single sign-on are included in Business and higher plans. Listed integrations include Salesforce, HubSpot, OneDrive, Power Automate, Zapier, and Xero. BoldSign states that it uses AES-256 encryption and complies with SOC 2, GDPR, HIPAA, and PCI DSS. It describes its signatures as legally enforceable under the ESIGN Act, eIDAS, and global laws. Essential support includes email, chat, and phone.