# Firma.dev

**Canonical:** https://apis.io/providers/firma-dev/  
**Website:** https://firma.dev/  
**APIs profiled:** 2

Firma.dev provides an electronic signature API for developers, with pay-as-you-go pricing starting at €0.049 per envelope and no minimums or contracts. It offers embeddable signing with custom branding - template and signing-request editors and the signing experience embed in the customer's own product, with isolated customer workspaces. It is built for ESIGN, UETA and eIDAS with audit trails, supports SOC 2 and ISO/IEC 27001, and addresses GDPR. It offers a REST API described in OpenAPI, webhook events, and sample apps for embedding e-signatures directly into applications.

## Kin Score — 63.3 / 100 (strong)

Scored 2026-10-17 under rubric 0.24.0. Trend: flat (+3.0 from 60.3).

| Facet | Score |
|---|---|
| Discoverability | 51.7 |
| Contract Quality | 76.4 |
| Contract Governance | 22.0 |
| Operational Transparency | 34.2 |
| Developer Ergonomics | 54.2 |
| Access Clarity | 81.6 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 29.4 (matched via fallback).

## Agent readiness — 41.0 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | verified |
| MCP Server | documented |
| Auth Clarity | bearer |
| Idempotency | no |
| Error Semantics | verified |
| OpenAPI Examples | partial |
| Rate Limit Signal | verified |
| Event Surface Described | yes |
| Agent Skills | derived |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |

## APIs (12)

- **Firma.dev Company API** — Company information and settings
- **Firma.dev Custom Fields API** — Custom field definition management for workspaces, templates, and signing requests
- **Firma.dev Email Domains API** — Email domain setup and verification for sending signing request emails from custom domains
- **Firma.dev Email Templates API** — Email template management for workspace and company-level customization of signing request notifications
- **Firma.dev JWT Management API** — JWT token generation and revocation for embedded templates
- **Firma.dev Organization Seals API** — Organization seal management: create, update, revoke, and erase seals applied to signing requests
- **Firma.dev Signer Terms API** — Custom signer terms-of-service / consent statements, company-level with per-language workspace overrides
- **Firma.dev Signing Requests API** — Document signing request operations
- **Firma.dev Templates API** — Template management operations
- **Firma.dev Webhooks API** — Webhook configuration and management
- **Firma.dev Workspace Settings API** — Workspace configuration and settings
- **Firma.dev Workspaces API** — Workspace management operations

## MCP servers (1)

- **Firma.dev MCP Server** — Remote MCP server at docs.firma.dev.

## Agentic access (1)

- **Firma Dev Agentic Access** — 115 operations · 71 acting · 3 human-in-the-loop

## Security (3)

- **Firma Dev Authentication** — apiKey · 1 scheme
- **Firma Dev Domain Security** — TLSv1.3 · HSTS · DMARC
- **Firma Dev Trust Center** — GDPR

## Plans (1)

- **Firma Dev Plans Pricing**

## Tags

Company, E-Signature, Developer Tools, LowCost

---

Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/firma-dev/). Scores are computed from the provider's own public artifacts under a published rubric.