Everything You Need to Execute a Loan Sale
The secondary mortgage market has long been constrained by fragmented tools, manual handoffs, and inconsistent execution.
Paperstac brings the entire loan sale lifecycle into one secure platform, combining structured onboarding, auction workflows, diligence coordination, and online closings with built-in security and auditability.
Platform Capabilities
A truly end-to-end platform
Replace manual workflows with a secure, AI-assisted platform designed to move deals faster and more accurately at scale.
Data & Onboarding
Get your data in clean, fast, and ready to trade.
Flexible Data Ingest
Upload loan tapes and collateral files via drag-and-drop. AI-assisted field mapping handles diverse note tape formats automatically, while the data room organizes, labels, and links collateral assets.
Bulk Onboarding
Purpose-built for institutional sellers with large portfolios. Onboard thousands of assets in a single workflow.
Data Normalization & Validation
Standardize and validate loan data on ingest. Catch errors early and reduce friction at closing.
Marketplace & Auctions
List, discover, bid, and win — all in one place.
Auction Engine
Open or sealed bid formats. Bid at the individual loan level or on pooled portfolios, depending on the deal structure.
Seller Workflow Tools
Guided listing flows, checklists, and overview dashboards help sellers prepare assets correctly and avoid common mistakes.
Buyer Evaluation
Centralized communication, diligence tracking, and bid comparison tools give buyers the clarity they need to move fast.
Diligence, Closing & Compliance
Move from winning bid to closed deal with less overhead.
Online Closings
A structured, online closing process that keeps both parties aligned on milestones, documents, and timelines.
Document Automation
Auto-generate PSAs, assignments, allonges, and other core documents. Reduce manual drafting and ensure consistency across deals.
Compliance Controls
Built-in KYC/AML support, identity verification, and complete audit trails for every transaction.
Collaboration & Access Controls
Coordinate across teams, counterparties, and deal stages.
Real-Time Collaboration
Integrated messaging for internal teams and counterparties. Keep deal communication in one place.
Role-Based Access
Granular permissions by role. Control who sees what, and when, across your organization.
Private Notes
Create private notes in place throughout the platform. Save context, flag details, or share information with your teammates without leaving the workflow.
PaperstacAI
The intelligence layer designed for secondary markets, reducing manual work and improving decision quality.
Document Intelligence
Read assignment PDFs, extract key fields, support form population, and flag likely data-entry issues before they become problems in closing.
Communication Assistant
Draft professional auction descriptions, asset overviews, and even generate timely responses to counterparty questions quickly and consistently.
PPP — Paperstac Price Predictor
Uses historical Paperstac sale data and AI to estimate a fair-value price range for assets being listed or evaluated.
Enterprise Capabilities
Built for institutional scale
Built for high-volume institutional participants executing larger, more complex transactions.
Trade Desk & Concierge Support
A dedicated team that manages your transaction from onboarding to close so you can focus on the deal, not the process.
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White-Glove Onboarding
Guided setup for enterprise clients. Data ingestion, account configuration, and team training.
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Transaction Oversight
Dedicated support for bulk uploads, bid management, and closing coordination.
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Strategic Advisory
Tailored exposure strategies, buyer vetting, and pricing guidance from the Paperstac Trade Desk.
Managed Marketplaces
Organizations can launch branded, permissioned marketplace instances on Paperstac’s infrastructure, managing branding, participants, and deal flow while using Paperstac’s secure, proven backend.
Enterprise-Grade Data Rooms
Bulk loan document upload. AI classification and tagging (BPOs, Assignments...). Instant linking to asset records. Audit-friendly environment for due diligence.
Workflow & API Integrations
Internal approval chains and role-based permissions. Internal chat and collaboration features.
Built In to Every Layer
Security & Compliance
Every action on Paperstac: uploads, bids, messages, permission changes, document access is logged, encrypted, and governed by role-based controls. Security isn't a feature layer. It's how the platform works.
During closing, both parties must approve any changes to the deal before they take effect. No unilateral edits. No surprises. The transaction moves forward only when buyer and seller are aligned.
Operational defaults include least-privilege access, encrypted document handling in data rooms, and full audit trail retention across all platform activity.
Encryption in transit and at rest
All data protected across upload, storage, and collaboration.
Role-based access controls
Permissions scoped by role, deal stage, and organization.
Comprehensive audit trails
Every platform action logged and available to authorized users.
Secure data rooms
Controlled environment for sharing collateral files and loan documents.
Compliance-ready workflows
Structured checklists and repeatable processes reduce errors at closing.
KYC/AML verification
Identity verification for all participants engaging in closings.
Mutual approval at closing
Both buyer and seller must confirm critical changes before the deal advances.
Frequently Asked Questions
Features FAQ
Answers to common questions about using Paperstac.
Ready to Get Started?
Join thousands of participants who trust Paperstac for secure, efficient debt trading.