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Integration

Yousign

European e-signatures: signature requests and documents. Your client pastes their Yousign key once, and your agent or your code works with their access.

Files and docs

About Yousign

Yousign is a European e-signature service.

Once your client connects Yousign, your agent can send signature requests and work with their documents.

Yousign

Yousign · Files and docs

API key

European e-signatures: signature requests and documents

The client pastes their API key from Yousign's settings. We store it encrypted.

Tested against Yousign's live API.

Building with Yousign? The docs have setup steps and code for every tool.

Open the Yousign docs

Tools

Your agent calls any endpoint of Yousign's API with the request tool, with the client's access attached.

Base URL for request

https://api.yousign.app/v3

  • request

    HTTPS ANY /v1/clients/{clientId}/yousign/{path}

    Any endpoint of Yousign's own API, with the client's access attached.

    servicestringrequired
    This service: yousign
    methodstringrequired
    GET, POST, PUT, PATCH or DELETE
    pathstringrequired
    The path under https://api.yousign.app/v3
    queryobjectoptional
    Query parameters
    bodyobjectoptional
    A JSON body

Over MCP every tool also takes client_id, from list_clients. Over HTTPS send it as clientId to https://api.operate.as/v1.

What the client approves

  • Use the Yousign key you paste, with only the access you gave that key

Get started

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