# Assinafy

**Canonical:** https://apis.io/providers/assinafy-com-br/  
**Website:** https://assinafy.com.br/  
**APIs profiled:** 1

Assinafy provides a free electronic signature platform for Brazilian users, allowing online signing of documents with legal validity under ICP‑Brasil standards. The service offers a public, fully documented API for developers to integrate signature workflows into their applications, supports unlimited users per document, customizable branding, and a range of plans for businesses such as software houses, law firms, accountants, SaaS platforms, marketplaces, fintechs, and more.

## Kin Score — 64.1 / 100 (strong)

Scored 2026-11-02 under rubric 0.26.0.

| Facet | Score |
|---|---|
| Discoverability | 57.1 |
| Contract Quality | 70.5 |
| Contract Governance | 22.0 |
| Operational Transparency | 34.2 |
| Developer Ergonomics | 77.9 |
| Access Clarity | 76.3 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 34.3 (matched via fallback).

## Agent readiness — 46.5 (agent-ready)

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

## Access

Freemium · Self-serve signup — onboarding: self-serve, pricing: freemium, trial: no (confidence: high).

## APIs (14)

- **Assinafy Accounts API** — Workspace accounts: profile, logo and theme.
- **Assinafy Assignments API** — Request signatures on a document and estimate their cost.
- **Assinafy Authentication API** — Authentication can be done in three ways: - API key in the `X-Api-Key` header: `X-Api-Key: {api-key}` - Access token in the `Authorization` header: `Authorization: Bearer {acces...
- **Assinafy Contracts API** — Contract terms tracked on documents: counterparty, value, dates and renewal terms. A contract always belongs to a document of the workspace, and tracking it never changes how th...
- **Assinafy Documents API** — Create, list, download, tag and delete documents.
- **Assinafy Fields API** — Reusable field definitions used on templates and assignments.
- **Assinafy OAuth API** — The token, revocation and userinfo endpoints an OAuth application calls, and this API's protected-resource metadata. New to OAuth with Assinafy? Read **OAuth Integration Guide**...
- **Assinafy Signers API** — Manage the signing parties of a workspace.
- **Assinafy Signing API** — Signer-facing endpoints: view, sign and decline documents using a signer access code.
- **Assinafy Tags API** — Workspace-scoped labels attachable to documents and templates.
- **Assinafy Templates API** — Reusable document templates, their roles, fields and tags.
- **Assinafy Users API** — User account endpoints.
- **Assinafy Webhook Payloads API** — This section documents the HTTP request your endpoint receives whenever a subscribed event is triggered, and the shape of the JSON body sent for each event type. ### Delivery co...
- **Assinafy Webhooks API** — Outbound webhook endpoints and delivery history. An account can register **1 webhook endpoint**, or **up to 3** on paid plans. Each endpoint has its own URL, event list and sign...

## Agentic access (1)

- **Assinafy Com Br Agentic Access** — 118 operations · 67 acting · 5 human-in-the-loop

## Security (2)

- **Assinafy Com Br Authentication** — apiKey/http/oauth2 · 4 schemes
- **Assinafy Com Br Domain Security** — TLSv1.3 · DMARC

## Plans (1)

- **Assinafy Com Br Plans Pricing**

## Tags

E-Signature, Document Management, Brazil, Free

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