Extension App Types We Build
Data I/O Apps
Bidirectional data exchange between Docusign and external systems. Sync agreement data, customer records, project details. Features: dynamic schema generation, field mapping, row-level sync, delta updates.
File Archive Apps
Store executed documents in external platforms (cloud storage, archives, repositories). Retrieve signed documents on-demand. Enables compliance, long-term storage, and system-of-record integration.
Connected Fields Apps
Real-time field-level integrations. Map external data directly to Docusign fields. Auto-populate template fields from customer systems, enable live lookups during signing.
Side-panel Apps
Embedded UI components within partner applications. Launch Docusign signing experiences directly from your app. Seamless integration without leaving the platform.
How We Build Extension Apps
Certified Docusign extension apps designed, built, submitted, and maintained — syncing agreement data seamlessly between Docusign and your platform.
Discovery & Design
Understand your integration requirements, map data flows, validate App Center fit, design schemas and field mappings.
Weeks 1-2Architecture & Planning
Plan monorepo structure, define OAuth flows, design webhook handlers, specify error handling and retry logic.
Weeks 3-4Build & Test
Develop extension app with Docusign SDK, implement external APIs, build UIs, comprehensive testing against review criteria.
Weeks 5-8App Center Launch
Submit with documentation, manage review process, address feedback, publish and monitor post-launch.
Weeks 9-12Why Partner With Fluidlabs
Docusign Partnership
We're an official Docusign partner with proven App Center publishing experience.
Full-Service Development
We handle everything: requirements, architecture, development, testing, security review, and submission.
App Center Expertise
We know the review criteria, documentation requirements, and common rejection points.
Ongoing Maintenance
We host, monitor, and maintain your app post-launch. Updates, bug fixes, and feature enhancements.
Team Expertise
Senior developers with deep Docusign and integration experience.
Full-Service Development
Develop the extension app to Docusign standards. Handle schema generation, API integrations, error handling, security.
Submit
Prepare documentation, run security review, submit to Docusign App Center, manage the review process.
Host
We host and manage the app infrastructure. Your ISV identity is featured in the App Center listing.
Maintain
30 days post-launch support included. Optional SLA support, monitoring, bug fixes, and feature updates.
Technical Capabilities
We've built an engineering foundation specifically for extension app development at scale.
Monorepo Architecture
Shared code for common patterns: schema generation, OAuth handling, webhook processing, error handling. Reduces development time for new integrations.
Dynamic Schema Generation
Automatically detect remote system schemas (tables, fields, types) and map to Docusign fields. No manual schema definition needed.
OAuth & Security
Enterprise OAuth 2.0, secure credential storage, compliance with Docusign security requirements (encryption, audit logs, PII protection).
Concerto Model Definitions
Structured configuration for data models, field mappings, and business logic. Type-safe, version-controlled, easy to update.
Webhook Processing with Baton
Real-time event handling. Manage document lifecycle events, signing completions and data changes.
Docusign API Expertise
Deep knowledge of eSignature API, Templates API, Rooms, Connect webhooks, and extension framework. Efficient API usage patterns.
Apps that live inside Docusign IAM
We build, submit, host, and maintain Docusign extension apps as a certified ISV. Each appsyncs agreement data between Docusign and the platforms your teams depend on.
Smartsheet
WORK MANAGEMENTTwo-way sync between Smartsheet and Docusign agreements. Push signed data to sheets, archive documents, trigger workflows.
Zoho CRM
SALES & CRMDeal-to-agreement automation. Closed-won deals trigger the right contract workflow with data pre-populated from Zoho.
Xero
ACCOUNTINGInvoice-to-agreement validation and vendor onboarding. Connect financial events to Docusign agreement processes.
Procore
ConstructionSubcontract and change order automation. Agreement data flows directly between Procore projects and Docusign envelopes.
Further Reading
Ready to Implement Docusign IAM?
Schedule a 30-minute strategy session. We'll identify the highest-value vertical solution for your organization, walk through the architecture, and map out a build plan — no commitment required.
Submit Your Project Details →or email us at [email protected]