Tech riderRev. 30 Sept 2026
  1. 1Runs onAPI, Web
  2. 2Costsfree trial · paid from £1.50/mo
  3. 3Embedded signingYes
  4. 4Signer authenticationsms
  5. 5WebhooksYes
  6. 6TemplatesYes
  7. 7Signing orderboth
  8. 8Bulk sendingYes
8 lines stated Written from the maker's own pages: legalesign.com
The Legalesign API homepage

Overview

Legalesign API is ranked #19 of 67 in e-signature software on Specifiction, made by Legalesign API (St John's Innovation Centre, Cowley Road, Cambridge, CB4 0WS). It runs on API, Web. There is no free plan. A free trial is offered. Paid plans start at £1.50/mo.

Legalesign API plans and pricing

All plans
Pay As You Go £1.50/mo No subscription required 1 user · 5 templates legalesign.com · 20 Sept 2026
Solo Basic £10/mo £10/month (ex VAT) 1 user · 20 documents/month fair use · 10 templates · API legalesign.com · 30 Sept 2026
Solo Pro £25/mo £25/month (ex VAT) 1 user · 100 documents/month fair use · unlimited templates · API legalesign.com · 30 Sept 2026
Team £15/mo £15/user/month (ex VAT) 2–5 users · 100 documents/user/month fair use · unlimited templates · API legalesign.com · 30 Sept 2026
5+ users & Enterprise Not published Flexible per-document and/or per-user pricing · High-volume pricing · SSO · GDPR and compliance features · Service level agreement legalesign.com · 20 Sept 2026
Pay As You Go £1.50 once £1.50 per sent-document 1 user · 5 templates · API legalesign.com · 30 Sept 2026

Compared on e-signature software

Free plan
Nolegalesign.com
Embedded signing
Yeslegalesign.com
Signer authentication
smslegalesign.com
Webhooks
Yeslegalesign.com
Templates
Yeslegalesign.com
Signing order
bothlegalesign.com
Bulk sending
Yeslegalesign.com
Maximum signers
99legalesign.com

Facts

Purpose
The API provides programmatic access to Legalesign platform features for signing, witnessing, and approving documents.legalesign.com · 30 Sept 2026
API options
The API offering comprises REST and GraphQL APIs, an SDK, real-time webhooks, and a component and UI library.legalesign.com · 30 Sept 2026
Recipients
A document can be sent for signature, witnessing, or approval by up to 99 recipients.legalesign.com · 30 Sept 2026
PDF workflows
Users can upload PDFs, add fields with text markers or coordinates, reuse and customize PDFs, and preview them before sending.legalesign.com · 30 Sept 2026
Live events
Webhooks or WebSockets can report events in real time to support live dashboards and synchronized data.legalesign.com · 30 Sept 2026
Integrations
Legalesign lists integrations including Salesforce, Microsoft Power Automate, Voyager Infinity, LogicMelon, Recruitly, and Timesheet Portal.legalesign.com · 30 Sept 2026
Security certifications
Legalesign states that it has been ISO 27001 certified since 2016 and Cyber Essentials Plus certified since 2022.legalesign.com · 30 Sept 2026
Data protection
Legalesign says it encrypts data at rest and in transit and creates tamper-proof PDFs with certification and long-term validation.legalesign.com · 30 Sept 2026
Authentication
Two-factor authentication is available as standard, while OpenID single sign-on is available to enterprise customers.legalesign.com · 30 Sept 2026
Sandbox limit
The REST API sandbox is throttled to 100 calls per hour, and the documentation says recipient email addresses are unrestricted in sandbox mode.docs.legalesign.com · 30 Sept 2026
API access
Users must be approved for API development before they can generate API credentials.docs.legalesign.com · 30 Sept 2026
Support
The API page directs developers to Legalesign's support team and offers API demos; the pricing comparison lists online documentation across plans and email support on Solo Pro, Team, and Enterprise.legalesign.com · 30 Sept 2026
Mobile embedding limitation
Legalesign says embedded PDF signing works best on desktop and that complex forms in mobile contexts, especially iPhones, may not work well.docs.legalesign.com · 30 Sept 2026
Intended customers
Legalesign says it serves organizations of all sizes, from PLCs to sole traders, in both public and private sectors.legalesign.com · 30 Sept 2026

Company

Founded
2012legalesign.com · 28 Sept 2026

Best Legalesign API alternatives

See all 12

Where it ranks on Specifiction

Is Legalesign API yours?

Claim it for free: prove the domain, then correct facts, plans and screenshots. An editor reviews every change.

Sources