Integrations

Connected to your loan admin stack. No custom integration project.

Native connections to Allvue, Black Mountain, and FIS CDM. File-based delivery for systems that don't offer an API. Every connection tested against the same normalized position model.

Connected systems

Loan admin, fund admin, and internal models.

AV
Native

Allvue Systems

Direct API connection. Positions, facilities, and cash flows pulled from Allvue's REST endpoints. Field mapping schema maintained by Atrium and updated when Allvue releases schema changes.

Positions, covenants, cash flows, borrower records

BM
Native

Black Mountain Systems

Native CSV export format mapped without transformation. All standard BM tape columns covered in the pre-built schema. Custom BM fields added as exceptions during onboarding.

Positions, scheduled payments, covenant tests

FIS
Native

FIS CDM

FIS Capital Data Management tape format parsed directly. Handles FIS's multi-segment position records and complex tranche hierarchies. SFTP delivery supported.

Positions, tranches, facility records, cash events

XLS
File-based

Internal Excel Models

Structured Excel templates accepted via file upload or SFTP. Covers direct origination positions not tracked in a third-party admin. Template schema defined in onboarding and validated on each upload.

Direct origination positions, internal schedule models

CSV
File-based

Generic CSV / SFTP

Any servicer that delivers a structured CSV or fixed-width file via SFTP. Custom field mapping schema created during onboarding. Works for boutique admins and CLO servicers that don't offer a standard API.

Configurable per file format, per delivery

API
Native

Atrium Data API

REST API for pulling reconciled position data into your own systems. Returns normalized position, covenant, and cash flow records in JSON. Available on Manager and Platform plans.

All reconciled objects: positions, covenants, cash events

GV
In Development

Geneva by SS&C

Fund admin integration for total return attribution and NAV reconciliation. Target availability Q3 2026. Contact us to join the early access list.

Fund admin records, NAV, total return

APX
In Development

Advent Portfolio Exchange

APX export format support for hybrid credit-equity mandates. Targeted for release Q4 2026. Contact us if you're running Advent APX and have an active evaluation.

Positions, transactions, cash events

Data types by connection

What flows across each connection

Position records

Core position data

Outstanding balance, accrual status, facility reference, and reconciliation state. The primary object consumed by fund ops and IC reporting.

Facility terms

Facility and tranche data

Commitment size, drawn and undrawn amounts, tranche hierarchy, spread, maturity, and amendment history. Referenced against positions to validate outstanding amounts.

Covenant values

Test results and exceptions

Current test values per facility. Compared against defined thresholds. Breach and watchlist conditions persisted with the tape delivery timestamp.

Cash events

Payment and PIK records

Scheduled and received principal, interest, and fee payments per position per period. PIK elections tracked separately with balance accrual. Source tape row referenced for every discrepancy.

API access

Pull reconciled data into your own tools.

The Atrium Data API returns normalized position, covenant, and cash flow records in JSON. Available on Manager and Platform plans.

Authentication

API key authentication. Keys scoped to read-only or read-write per environment. Managed in the account settings panel.

Rate limits

Manager: 1,000 requests/hour. Platform: 10,000 requests/hour with burst support. Rate limit headers returned on every response.

Endpoints

/positions, /facilities, /covenants, /cash-events, /reconciliations. Pagination and date-range filtering on all list endpoints.

Webhooks

Event-driven notifications for reconciliation complete, covenant exception, and tape delivery failure. Configurable per vehicle on the Platform plan.

Don't see your system listed?

Tell us what you're running. Most file-based formats are configurable during onboarding without a custom development project.