Signatory Hub

Le blog de Signatory Hub

Signature électronique, valeur probante, intégration par API : nos guides pratiques.

September 6, 2026 · 4 min

Electronic signature: what legal value in France?

Simple, advanced or qualified: what does French law say about electronic signatures? Discover the eIDAS levels, Article 1367 of the Civil Code and the conditions for solid evidence.

signature électroniqueeIDASvaleur juridiquepreuve

September 6, 2026 · 4 min

Integrating electronic signature in 20 minutes

Discover how to integrate an electronic signature API in less than 20 minutes: creating a request, sending the link, receiving the signed webhook, and retrieving the signed PDF.

APItutorielsignature électroniquewebhookintégration

September 6, 2026 · 5 min

Verifiable signature proof without trusting the provider

How can an electronic signature be verified without depending on the provider? Explanations on the Ed25519-signed proof file, PAdES sealing, and RFC 3161 timestamping.

signature électroniquepreuvesécuritéeIDAS

September 6, 2026 · 4 min

French alternatives to DocuSign for SMEs and developers

Factual comparison of French electronic signature solutions (Yousign, Universign, Sign-Hub): selection criteria, pricing, API, probative value.

signature électroniquePMEdéveloppeurscomparatif

September 6, 2026 · 5 min

Electronic signature pricing: subscription, envelope or act?

Subscription, envelope or act: how are electronic signature solutions priced in France? Find out what you are actually paying for and how to choose according to your volume.

tarificationsignature électroniquecomparatifPME

September 6, 2026 · 4 min

GDPR and electronic signature: what to keep, and for how long?

The GDPR imposes a right to erasure, but proof of a signature must be retained. Find out how to reconcile these requirements through anonymisation and data sealing.

RGPDsignature électroniqueconservationanonymisationpreuve

September 6, 2026 · 5 min

Signing a document without an account: the Sign-Hub journey

Upload a PDF, enter the signer's email, receive a link: Sign-Hub lets you get a document signed online without the signer having to create an account. Comparison with La Poste's electronic registered mail.

signature électroniquerecommandé électroniquesans comptePME

September 6, 2026 · 6 min

Mobile signature: what really makes your customers sign

The majority of signatures are done on mobile. Yet few journeys are designed for a 6-inch screen. Here is what a good mobile journey requires, and how Sign-Hub responds to it concretely.

mobileexpérience utilisateursignature électronique

A proof you can verify without us

Every signature produces a record sealed with Ed25519, whose public key is published. Download a real example and check it yourself.

See how Verify a proof Documentation