MerchantKits Document Signatures lets you add a signature collection form to any page or post using a simple shortcode. Signers can draw their signature on a canvas or type it using a cursive font. Every signature is recorded with a SHA-256 integrity hash, signer IP, user agent, and timestamp — giving you a complete audit trail.
Key Features
- Draw or type — configurable per form or globally in settings.
- SHA-256 audit hashing — every signature generates a unique integrity hash.
- IP & User Agent capture — complete audit trail for every signing event.
- Admin dashboard — stat cards, recent activity, and quick-start guide.
- Document management — create signable documents and link forms via shortcode.
- WP_List_Table — sortable, filterable, searchable signatures list with CSV export.
- Email notifications — automatic confirmation to the signer and notification to the admin.
- REST API — full CRUD endpoints under
wpsv/v1. - Theme-overridable templates — place your own
wpsv/signature-form.phpin your theme. - Works anywhere — drop the shortcode on any page, post, or order confirmation.
Shortcode Usage
[wpsv_signature]
Attributes:
document_id— links the form to a saved document.title— heading shown above the form.description— optional introductory text.button_text— submit button label.redirect— URL to redirect to after a successful signature.type—draw,type, orboth(overrides global setting).
Example:
[wpsv_signature document_id="1" title="Sign the NDA" type="both" redirect="https://example.com/thank-you"]
Privacy / External Services
All signature data (images, hashes, signer information) is stored in your own WordPress database. The plugin does not send signature data to any external server.
The draw-mode signature canvas is powered by Signature Pad (MIT License), which runs entirely in the visitor’s browser.
Screenshots
Admin dashboard with stat cards and recent signatures.
Signature form — draw mode on a desktop browser.
Signature form — type mode with cursive preview.
Signatures list table with status badges and row actions.
Single signature detail page with audit trail and hash verification.
Settings page — General tab.
Documents management page.