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All notable changes to the 9Squid API are documented here. The API follows semantic versioning. Breaking changes are always announced with a deprecation period before removal.

v1.0 — April 2026

Added

  • Platform API Gateway — Unified entry point for all Originator and Investor workflows under a single base URL (https://api.9squid.com/v1/api) with a consistent response envelope.
  • Originator Loan Management — Full loan tape submission lifecycle: initiate, upload, complete, and status tracking across DRAFTIN_REVIEWQC_COMPLETEDAPPROVED / REJECTED.
  • Bulk Loan Upload — Submit multiple loan tapes in a single job. Each deal gets its own pre-signed upload URL with independent status tracking.
  • Selection Criteria — Trigger eligibility runs against underwriting rules. Results include per-loan pass/fail status and exception detail.
  • Deal Marketplace — Investor-facing deal listing with tranche details, filtering, and sorting.
  • Investor Subscriptions — IOI submission, subscription commitment, and allocation tracking.
  • Investor Portfolio Reports — Holdings, trade history, tranche performance metrics, and pool analytics in a unified endpoint.
  • ALM Analytics — Duration, convexity, NII sensitivity, EVE, VaR, and stress testing on any deal via the TCT Risk ALM engine.
  • Pool Analytics — Aggregate pool statistics: weighted averages, delinquency breakdown, geographic distribution.
  • Deal Room Documents — Document upload support for W9 forms and supporting deal materials.
  • Webhooks — Real-time event delivery for deal status changes, loan approvals, trade settlements, SC completions, and document uploads. Includes signature verification and delivery replay.
  • Role-Based Access Control — Originator and Investor roles enforced at the token level. Cross-role requests return 403 Forbidden.

Upcoming

The following capabilities are in active development. Documentation will be published ahead of release.
  • Secondary Market Trading — Endpoints for listing, bidding on, and settling secondary market trades.
  • Additional Document Types — Expanded deal room support beyond W9 forms.
  • Webhook Event Expansion — Additional event types for portfolio and analytics events.

For questions about a specific release or to report a regression, contact support@9squid.com.