Integrate Legale into your product, step by step

API documentation

One API for electronic signature, smart templates and devices.

The full technical reference (endpoints, parameters, response codes and examples) lives in the Legale documentation portal. This page gives you the context of what each API solves before you get into the detail.

• Electronic signature REST API

  Upload documents, start signature flows, check status and download the signed file with its evidence.

• Smart templates API

  Generate documents from templates with dynamic variables and trigger the signature in the same call.

• Tablet API

  Link in-person signing devices and validate their ownership and timestamps.

Tutorials and guides

Real integration cases, with the full step by step.

These are the help-center guides covering real integrations: corporate authentication, automated backups and connections to third-party systems.

Developer training course

Fifteen hands-on modules, from the first call to signing from a template.

The course walks through the Legale API with runnable Postman examples. Each module starts with the theoretical context, states what you will learn, gives the instructions and closes with a conclusion. Follow it in order or jump straight to the module you need.

• 01 · Postman collection

  Where to find and download the Legale Postman collection, and how to import it into your environment.

• 02 · Create an API key

  How to generate an API key and store credentials securely in Postman.

• 03 · Upload a document via API

  How to prepare a document for upload and convert it to Base64.

• 04 · Send a document for signature

  How to start a signature flow and configure each signer and their options.

• 05 · Get contacts

  How to retrieve the account contacts and verify they match the platform.

• 06 · Get users

  How to access the user list and tell administrators from regular users.

• 07 · Get linked devices

  How to retrieve connected devices and validate ownership and timestamps.

• 08 · Get folders

  How to access folders, their hierarchy and the document count of each one.

• 09 · Delete folders

  How to locate a folder ID and delete it.

• 10 · Get all documents

  How to retrieve every document in the account with its status and metadata.

• 11 · Delete documents

  How to identify a document GUID and delete it safely.

• 12 · Check document status

  How to query the status of a document and read its signature metadata.

• 13 · Download the signed document

  How to request the Base64 version of a signed document and handle failures.

• 14 · List smart templates

  How to fetch all smart templates and interpret their structure and fields.

• 15 · Start a signature from a template

  How to generate a document from a smart template and populate its variables dynamically.

The full course, with screenshots and sample request bodies for every call, is published in the help center.

Next steps