Create and pre-fill
- Create documents from reusable templates
- Pre-fill template fields with custom data
- Retrieve document and signer information
Public API + Real-Time Webhooks
SignHouse API & Webhooks: Automate E-Signing Without the Enterprise Complexity
Build reliable e-signature workflows directly into your app, website, CRM, onboarding flow, or internal tools with the SignHouse API.
Create documents from templates, manage contacts, retrieve document status, track signers, and listen for signing events in real time with webhooks. SignHouse gives teams the core API and webhook tools they need to automate document signing without the expensive, complicated setup often found in legacy e-signature platforms.
Whether you are replacing DocuSign API, Adobe Acrobat Sign API, Dropbox Sign API, or building e-signatures into your product for the first time, SignHouse helps you move faster with a simpler, more affordable signing automation workflow.
Bearer token auth
/api-public/v1 endpoints
Template-first document automation
Real-time webhook events
SignHouse · API Workflow Preview
Automation loop
1
Template
Create one reusable signing template.
2
API Call
Generate a document with pre-filled or custom fields.
3
Signing
Track signer activity and document status.
4
Webhook
Trigger your next workflow step instantly.
Create, list, and retrieve templates
Create documents from a template
UUID
Manage workspace contacts and
signers
Listen for sent, signed, and
completed events
POST /api-public/v1/documents/from-template
Authorization: Bearer {token}
Webhook events: document.sent | signer.signed | signing.completed
V1Public API versioning path
1Webhook can monitor multiple events
API +Webhooks for full workflow automation
SMBBuilt for modern teams, not only enterprise
A simpler eSignature API for modern teams. The SignHouse Public API is built for practical document automation. Developers can use API endpoints to list and create contacts, retrieve documents, list templates, retrieve templates, and create new documents from templates. The API uses bearer token authentication and is served under /api-public/v1.
API Capabilities
With SignHouse API, you can ship practical document automation
Manage contacts and status
- Manage contacts inside a workspace
- Track document status
- Connect signing workflows to your own product or backend
Combine API with webhooks
- Listen for signing events in real time
- Trigger post-signature automations
- Keep product data in sync without polling loops
Templates
Turn templates into automated signing workflows
Use SignHouse templates to generate documents automatically from your own app or system. Instead of manually creating the same contract, agreement, consent form, proposal, or onboarding document again and again, you can create a template once and generate new signing documents from it through the API.
SaaS onboarding flows
Client contracts
HR paperwork
Sales agreements
Legal forms
Agency proposals
Internal approval workflows
Customer consent documents
The API supports creating a new document from a template using a template UUID, and templates can include signers, custom fields, signing order, copy recipients, and signer messages.
Event Streams
Real-time webhooks for every key signing event
SignHouse webhooks help your system know what is happening during the signing process, without needing to constantly check manually. A single customer webhook can listen for multiple signing events at the same time, depending on how your webhook implementation is configured.
Document sent for signing
Trigger automations when a document is sent to sign. Update your CRM, notify your team, start an onboarding step, or log the document activity inside your own app.
Signer signs the document
Know when an individual signer completes their part. This is useful for multi-signer workflows, sales contracts, approval flows, and customer onboarding.
Signing flow completed
Trigger final actions when the full signing process is complete. Automatically unlock the next step, update a customer record, send confirmation emails, store the signed document, or notify your team.
API Alternatives
Why teams switch to SignHouse API
Why switch from DocuSign API to SignHouse?
DocuSign API is powerful, but many startups, SMBs, freelancers, and SaaS teams find it too expensive or too complex for everyday signing automation.
- A simpler eSignature API
- More predictable pricing
- Less enterprise overhead
- Document automation from templates
- Webhooks for real-time signing updates
- A lighter setup for common e-signing workflows
- A better fit for small businesses, startups, and product teams
If DocuSign feels overbuilt, expensive, or difficult to forecast at scale, SignHouse gives you a more focused way to automate e-signatures and document workflows.
Why switch from Adobe Acrobat Sign API to SignHouse?
Adobe Acrobat Sign API is often best suited for companies already deeply invested in the Adobe ecosystem.
- E-signing automation without Adobe ecosystem lock-in
- A developer-friendly workflow for templates and documents
- Easier setup for lightweight SaaS and SMB use cases
- API access focused on signing, templates, and document status
- Real-time webhooks for signing events
- A simpler platform for day-to-day e-signature automation
If Adobe Acrobat Sign feels too enterprise-first or too tied to broader Adobe tools, SignHouse offers a cleaner path for automated signing workflows.
Why switch from Dropbox Sign API to SignHouse?
Dropbox Sign API, formerly HelloSign API, is known for developer-friendly e-signing. Some teams still hit limits around advanced workflow flexibility.
- Simple API-based document creation from templates
- Webhooks for important signing milestones
- A signing workflow that works for SaaS, agencies, and SMBs
- Less dependence on higher-tier features for practical automation
- A platform focused on e-signatures, PDF workflows, and document preparation
If Dropbox Sign feels limited for your workflow or pricing structure, SignHouse gives you another way to automate signing without adding unnecessary complexity.
Team Value
Built for developers, useful for business teams
SignHouse API and webhooks are designed for developers building signing workflows, but the value is felt across the whole business. Developers can connect SignHouse to the systems your team already uses. Sales teams can send contracts faster. HR teams can automate onboarding documents. Agencies can generate client agreements. SaaS products can add e-signing flows without building signature infrastructure from scratch.
Integration building blocks
- Template-driven document generation
- Signer status and document retrieval endpoints
- Webhook-based event automation for backend workflows
Faster execution across teams
- Sales sends contracts without manual prep
- HR automates onboarding packet delivery
- Operations teams run structured, trackable approval flows
API Use Cases
Common workflows teams build with SignHouse API + webhooks
Embedded document automation
Generate documents from templates when a user completes a form, creates an account, accepts a quote, or reaches a specific step in your product.
CRM and sales workflow automation
Create and track signing documents from your CRM or internal sales tools. Send contracts, proposals, or order forms without manual document preparation.
HR and onboarding automation
Send employment agreements, contractor forms, NDAs, and policy documents automatically when a new employee or contractor is added.
SaaS e-signature workflows
Add e-signing to your own product without building document generation, signer tracking, template logic, and signature flow monitoring from scratch.
Post-signature automation
Use webhooks to update your database, notify your team, unlock user access, send confirmation emails, or trigger the next workflow step when signing is completed.
Template-first lifecycle
Keep repeat documents standardized with signer order, copy recipients, and custom fields while still dynamically populating each generated file.
Feature Blocks
Core capabilities for signing automation
Create documents from templates
Turn reusable templates into automated signing documents. Use custom fields and signer details to generate documents dynamically from your app or backend.
Track document status
Retrieve document information and monitor the progress of a signing flow, including document status, signers, owner details, timestamps, and related document data.
Manage contacts
Create, list, retrieve, and delete contacts from a workspace using the API, making it easier to connect signing flows to your customer or user database.
Listen to webhook events
Receive real-time updates when a document is sent, when a signer signs, and when the signing flow is completed.
Automate signer workflows
SignHouse document and template data can include signer details, signer order, signer messages, copy recipients, and signing status, helping you build more structured signing flows.
Connect with your existing stack
Use SignHouse API and webhooks to connect e-signatures with your CRM, product database, onboarding system, sales workflow, internal tools, or automation platform.
Alternatives Comparison
Looking for a better signing API alternative?
SignHouse is built for teams that need e-signature automation without complicated enterprise pricing. If DocuSign API feels expensive, difficult to forecast, or too heavy for your use case, SignHouse gives you a simpler way to create documents from templates, track signing progress, and automate document events with webhooks.
SignHouse is a flexible alternative to Adobe Acrobat Sign API for teams that want signing automation without Adobe ecosystem lock-in. Create automated e-signing workflows, monitor signer activity, and connect completed documents to your own tools.
SignHouse is a practical alternative to Dropbox Sign API for teams that want document templates, signing automation, and webhook events in one streamlined e-signing workflow. It is especially useful for startups, SaaS teams, agencies, and SMBs that want more control over document automation.
FAQ
FAQ: SignHouse API & Webhooks
What is the SignHouse API?
The SignHouse API is a public API for building e-signature integrations and automating signing workflows. It lets developers work with contacts, documents, templates, and template-based document creation from a workspace.
Does SignHouse support webhooks?
Yes. SignHouse supports webhook events for important signing workflow updates, including when a document is sent for signing, when a signer signs the document, and when the full signing flow is completed.
Can one webhook listen to multiple SignHouse events?
Yes. A single customer webhook can listen for all supported signing events at the same time, depending on how the customer implements the webhook.
What webhook events does SignHouse monitor?
SignHouse can monitor when a document is sent to sign, when a signer signs the document, and when the signing flow is completed.
Can I create documents from templates using the SignHouse API?
Yes. The SignHouse API includes an endpoint for creating a new document from a template using a template UUID. Templates can include signer details, custom fields, signer messages, and signing order configuration.
Is SignHouse a DocuSign API alternative?
Yes. SignHouse is a DocuSign API alternative for teams that want a simpler, more affordable way to automate e-signatures, create documents from templates, and track signing events with webhooks.
Is SignHouse an Adobe Sign API alternative?
Yes. SignHouse is an Adobe Sign API alternative for businesses that want e-signature automation without complex Adobe setup, broader Adobe ecosystem lock-in, or enterprise-first workflows.
Is SignHouse a Dropbox Sign API alternative?
Yes. SignHouse is a Dropbox Sign API alternative for startups, SaaS teams, agencies, and SMBs that want API-powered signing workflows, templates, and webhook-based automation.
Who should use the SignHouse API?
The SignHouse API is useful for SaaS companies, startups, agencies, HR teams, sales teams, legal teams, and SMBs that want to automate document creation, signing, tracking, and post-signature workflows.
Can I track when a signer has signed?
Yes. SignHouse webhook events can notify your system when a signer signs the document. The API also includes signer-related document data, including signer details and signing status fields.
Can I trigger automations after a document is fully signed?
Yes. You can use the signing flow completed webhook event to trigger next steps after everyone has signed, such as updating your CRM, storing the completed file, notifying a team member, or unlocking the next step in your product.
What can I build with SignHouse API and webhooks?
You can build automated contract workflows, SaaS signing flows, onboarding document automation, HR paperwork systems, client agreement flows, sales proposal workflows, and post-signature automations connected to your own backend or business tools.
Automate your next signing workflow with SignHouse API + webhooks.
Build template-based e-signature automations, monitor signer events in real time, and connect document workflows to your product, CRM, onboarding pipeline, or internal systems without enterprise bloat.