API Reference

Create and manage person and business entities, link associated persons, and submit compliance evidence.

Create and manage bank accounts, configure overdraft alerts, and access balance history.

Create and manage routing and account numbers associated with bank accounts.

Create and manage external counterparties, look up financial institutions, and validate IBANs.

Initiate, retrieve, and manage ACH credit and debit transfers through the ACH network.

Move funds instantly between accounts on your platform without touching external payment networks.

Issue and deposit checks, manage stop payments, capture check images, and handle check returns.

Send and receive cross-border wire transfers via SWIFT, manage FX quotes, and track transfer status.

Send and receive domestic wire transfers, manage drawdown requests, and handle return requests.

Send and receive instant payments via the RTP and FedNow networks, including RFPs and return requests.

Query transfers across all payment types from a single unified endpoint.

Trigger simulated payment events in your sandbox environment to test integrations end-to-end.

Retrieve platform events and browse the full list of available webhook event types.

Register and manage webhook endpoints to receive real-time event notifications from Column.

Create and manage loans, disbursements, payments, and loan sales across your lending programs.

Schedule, retrieve, and download settlement reports for your platform's transaction history.

Create and manage card programs that define the rules and configuration for issuing cards.

Create and manage card accounts that hold funds and are linked to issued cards.

Issue, manage, and control physical and virtual payment cards for your cardholders.

Create and manage authorization policies with rules for approving card transactions.

Retrieve card transactions, including authorizations, clearings, and reversals.

Check dispute eligibility, file disputes on card transactions, and submit evidence to the card network.

Manage network tokens created when cards are added to digital wallets or stored with merchants.

Approve or decline card authorizations and 3DS authentications in real time via webhooks.