# AddSign

**Canonical:** https://apis.io/providers/addsign-io/  
**Website:** https://addsign.io/  
**APIs profiled:** 1

AddSign is an electronic signature platform tailored for small businesses and freelancers. It offers a free forever plan with AI‑powered document analysis, unlimited signers, and legally binding e‑signatures. Users can upload, sign, and send documents in seconds, making it a cost‑effective DocuSign alternative. The service targets industries such as real estate, contracting, law firms, and creative professionals.

## Kin Score — 15.1 / 100 (emerging)

Scored 2026-11-06 under rubric 0.27.0. Trend: falling (-5.2 from 20.3).

| Facet | Score |
|---|---|
| Discoverability | 57.1 |
| Contract Quality | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 0.0 |
| Developer Ergonomics | 14.3 |
| Access Clarity | 36.8 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 9.8 (matched via fallback).

## Agent readiness — 3.6 (human-only)

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

## Access

Freemium — onboarding: unknown, pricing: freemium, trial: no (confidence: low).

## APIs (1)

- **AddSign API** — AddSign provides electronic signature capabilities via its web platform and MCP endpoint.

## Security (1)

- **Addsign Io Domain Security** — TLSv1.3 · HSTS · DMARC

## Plans (1)

- **Addsign Io Plans Pricing**

## Tags

E-Signature, Small Business, AI Document Analysis, DocuSign Alternative, Free Plan

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