# YouSign

**Canonical:** https://apis.io/providers/yousign/  
**Website:** https://yousign.com  
**APIs profiled:** 38

European e-signature platform compliant with eIDAS with a REST API for creating signature requests, managing signers, sending documents, and tracking signing workflows across simple, advanced, and qualified signature levels.

## Kin Score — 47.0 / 100 (developing)

Scored 2026-08-25 under rubric 0.14.0. Trend: flat (+0.0 from 47.0).

| Facet | Score |
|---|---|
| Discoverability | 68.5 |
| Contract Quality | 73.5 |
| Governance | 9.8 |
| Contract Governance | 9.8 |
| Operational Transparency | 52.6 |
| Developer Ergonomics | 19.0 |
| Commercial Clarity | 50.0 |
| Access Clarity | 50.0 |

## Agent readiness — 32.3 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | documented |
| MCP Server | no |
| Auth Clarity | bearer |
| Idempotency | no |
| Error Semantics | verified |
| OpenAPI Examples | partial |
| Rate Limit Signal | verified |
| 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 | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |

## Access

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

## APIs (38)

- **YouSign Applicant API** — An applicant associated with a Workflow Session.
- **YouSign Approver API** — Person responsible for validating a Signature Request.
- **YouSign Archive API** — A feature allowing to store and retrieve documents on Arkhineo for some customers migrated from v2
- **YouSign Audit Trail API** — Set of documents generated once a Signature Request is completed.
- **YouSign Bank Account Lookup Verification API** — KYC Process of verifying a person’s or company’s banking information via the Sepamail DIAMOND network.
- **YouSign Bank Account Verification API** — KYC Process of verifying the identity associated with a bank account document.
- **YouSign Company Verification API** — Retrieve structured and official data about a company.
- **YouSign Consumption API** — This resource provides tracking of the API usage.
- **YouSign Contact API** — A saved profile containing some information (name, language, email address, etc.) that can be re-used to create a Signer, Approver, or Follower.
- **YouSign Custom Experience API** — Allows to customize the look and feel of the signature experience.
- **YouSign Custom Property API** — A configurable field (list or text) allowing to tag Signature Requests with structured values.
- **YouSign Deprecated API** — Operations that are no longer recommended for use.
- **YouSign Document Analysis API** — Analyze a document and extract structured data.
- **YouSign Document API** — Document that is attached to the Signature Request.
- **YouSign Electronic Seal API** — This resource is the digital version of the company stamp.
- **YouSign Electronic Seal Audit Trail API** — Set of documents generated once a Electronic Seal is completed.
- **YouSign Electronic Seal Document API** — Document that is attached to the Electronic Seal.
- **YouSign Electronic Seal Image API** — Set of Image which can be used in Electronic Seal.
- **YouSign Field API** — Dynamic content that will appear on a Document.
- **YouSign Follower API** — Person who is kept informed about the progress of the signing process without being an Approver or a Signer.
- **YouSign Identity Document Verification API** — KYC Process of verifying the identity associated with an identity document.
- **YouSign Identity Video Verification API** — KYC Process of verifying the identity associated with a document.
- **YouSign Label API** — Categorization tag that can be added to a Signature Request.
- **YouSign Metadata API** — Extra information attached to a Signature Request.
- **YouSign Proof of Address Verification API** — KYC Process of verifying a proof of address document.
- **YouSign Signature Request API** — Process of inviting Signers to sign a Document.
- **YouSign Signer API** — Person who will sign a Signature Request.
- **YouSign Signer Consent Request API** — Process of asking signers to consent to specific needs during the signature process.
- **YouSign Signer Document Request API** — Process of asking signers to upload specific documents during the signature process.
- **YouSign Template API** — Pre-configuration of all elements of a Signature Request, such as Documents, Signers, Approvers, Fields, and settings.
- **YouSign User API** — A person who can access the Yousign web app of your organization.
- **YouSign User Invitation API** — The Invitation of a new User to join the Yousign organization.
- **YouSign Verification Audit Trail API** — Set of documents generated once a Verification is completed.
- **YouSign Watchlist Verification API** — Check if individuals appear on international sanctions lists or as politically exposed persons (PEPs).
- **YouSign Webhook API** — Webhook subscription; enables real-time notifications about events that happen in your Yousign organization.
- **YouSign Workflow Session API** — Instance of a workflow created each time a customer goes through it.
- **YouSign Workflow Template API** — Structure of a workflow defined by the type of Actions a customer must complete.
- **YouSign Workspace API** — A way to partition your Yousign organization into separate entities.

## Agentic access (1)

- **Yousign Agentic Access** — 166 operations · 89 acting

## Security (3)

- **Yousign Authentication** — http · 1 scheme
- **Yousign Domain Security** — TLSv1.3 · DNSSEC · DMARC
- **Yousign Vulnerability Disclosure** — security.txt · contact published

## Plans (1)

- **Yousign Plans Pricing**

## Tags

E-Signature, Electronic Signature, eIDAS, Digital Signature, Document Signing, Europe, REST API, Signature Workflows

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