# Column

> Column N.A. is a nationally chartered bank built for developers. Access banking infrastructure including ACH, wires, real-time payments, checks, lending, and card issuing through a modern API.

- [Full documentation (single file)](https://column.com/llms-full.txt)

## Products

- [ACH](https://column.com/ach/): Originate ACH credits and debits with a single API request. Take advantage of all five settlement windows, configure every field, and own the return and dispute process.
- [Wire](https://column.com/wire/): Instantly send funds to any bank account with FedWire via API. Receive domestic and international wires with realtime updates and full raw data.
- [Realtime (FedNow)](https://column.com/realtime/): Leverage the newest payment rail from the Federal Reserve, FedNow. Get the speed of Wire with the flexibility and affordability of ACH.
- [Book Transfers](https://column.com/book-transfers/): When you own both accounts at Column, transfers are real-time every second of the day.
- [Checks](https://column.com/checks/): Full control of end to end check flows. From RDC to checkbooks to positive-pay, build your optimal check flow and own the entire process.
- [Bank Accounts](https://column.com/bank-accounts/): Spin up programmable and scalable FDIC insured bank accounts in one API call.
- [Card Programs](https://column.com/card-programs/): Build a card program to offer your customers any type of card. Column works with all major networks and issuer processors.
- [Ledger](https://column.com/ledger/): Ledger each transaction onto a proprietary modern system of record with complete visibility and full banking functionality.
- [International Wires](https://column.com/international-wires/): Direct access to Swift and international routing.
- [Loan Origination](https://column.com/loan-origination/): Configure and build a flexible national lending program with a nationally chartered bank partner.
- [Loan Purchase](https://column.com/loan-purchase/): Programmatically sell the loans you originate to Column and turn interest into fee income.
- [Debt Financing](https://column.com/debt-financing/): Grow your lending program more efficiently with Column capital.

## Company

- [About Column](https://column.com/company/): Column is a nationally chartered bank (Column N.A.) built from the ground up to serve developers and builders creating new financial products.
- [Careers](https://column.com/careers/): Join the Column team. We're on a mission to change the financial landscape.
- [Press](https://column.com/press/): Column press coverage and media inquiries.
- [Security](https://column.com/security/): Column's commitment to providing innovative financial services without sacrificing the safety of personal information.
- [Blog](https://column.com/blog/): News and updates from the Column team.
- [Changelog](https://column.com/changelog/): Stay up to date with the latest improvements to Column.

## Specialty Deposits

- [Title & Escrow](https://column.com/title-escrow/): Banking purpose built for title & escrow companies with complex financial and payments needs.
- [Property Management & HOAs](https://column.com/property-management/): Banking purpose built for property managers with complex financial and payments needs.
- [Political Treasury](https://column.com/political-treasury/): Banking purpose built for political treasurers with complex financial and payments needs.

## Documentation

### General

- [Frequently asked questions](https://column.com/docs/faq.md)
### ACH

- [ACH](https://column.com/docs/ach.md)
- [International ACH Transfers](https://column.com/docs/ach/iat.md)
- [Notifications and States](https://column.com/docs/ach/notifications-and-states.md)
- [Returns](https://column.com/docs/ach/returns.md)
- [Reversals](https://column.com/docs/ach/reversals.md)
- [Timing](https://column.com/docs/ach/timing.md)
- [Types](https://column.com/docs/ach/types.md)
### Checks

- [Checks](https://column.com/docs/checks.md)
- [Check Deposits](https://column.com/docs/checks/deposits.md)
- [Check Issuing, Printing and Mailing](https://column.com/docs/checks/issuing.md)
- [Notifications and States](https://column.com/docs/checks/notifications-and-states.md)
- [Returns](https://column.com/docs/checks/returns.md)
### Platform

- [Platform](https://column.com/docs/data-models.md)
- [Account Number](https://column.com/docs/data-models/account-number.md)
- [Bank Account](https://column.com/docs/data-models/account.md)
- [Counterparty](https://column.com/docs/data-models/counterparty.md)
- [Entity](https://column.com/docs/data-models/entity.md)
- [Events and Webhooks](https://column.com/docs/data-models/events-and-webhooks.md)
- [Transfer](https://column.com/docs/data-models/transfer.md)
### Entities

- [Entities](https://column.com/docs/entities.md)
- [Documentary Evidence](https://column.com/docs/entities/documentary-evidence.md)
- [Managing Entities](https://column.com/docs/entities/managing-entities.md)
### Guides

- [Bank Accounts](https://column.com/docs/guides/bank-accounts.md)
- [Book Transfers and Holds](https://column.com/docs/guides/book-transfers-and-holds.md)
- [Card Programs](https://column.com/docs/guides/card-programs.md)
- [Getting Started](https://column.com/docs/guides/getting-started.md)
- [Going live](https://column.com/docs/guides/going-live.md)
- [Intro to Card Issuing](https://column.com/docs/guides/intro-to-card-issuing.md)
- [Key Advantages](https://column.com/docs/guides/key-advantages.md)
- [kyc-kyb](https://column.com/docs/guides/kyc-kyb.md)
- [Loan Origination](https://column.com/docs/guides/loan-origination.md)
- [Overdrafts](https://column.com/docs/guides/overdrafts.md)
- [Payment Origination — Limited](https://column.com/docs/guides/payment-origination-limited.md)
- [Payment Origination](https://column.com/docs/guides/payment-origination.md)
- [reporting](https://column.com/docs/guides/reporting.md)
- [Roles & Permissions](https://column.com/docs/guides/roles-and-permissions.md)
- [Sandbox and Testing](https://column.com/docs/guides/sandbox-and-testing.md)
- [Bank Statements](https://column.com/docs/guides/statements.md)
- [Two Legged Transactions](https://column.com/docs/guides/two-legged-transactions.md)
### International Wires

- [International Wires](https://column.com/docs/international-wires.md)
- [International Wire Cancellations](https://column.com/docs/international-wires/cancellations.md)
- [Country-specific Details](https://column.com/docs/international-wires/country-specific-details.md)
- [Incoming Transfers](https://column.com/docs/international-wires/incoming.md)
- [Notifications and States](https://column.com/docs/international-wires/notifications-and-states.md)
- [Outgoing Transfers](https://column.com/docs/international-wires/outgoing.md)
- [International Wire Returns](https://column.com/docs/international-wires/returns.md)
- [Sandbox Simulations](https://column.com/docs/international-wires/simulation.md)
- [Supported Currencies](https://column.com/docs/international-wires/supported-currencies.md)
- [International Wire Tracking](https://column.com/docs/international-wires/tracking.md)
- [Transfer Fees](https://column.com/docs/international-wires/transfer-fees.md)
### Loans

- [Loans](https://column.com/docs/lending.md)
- [Loan Disbursements](https://column.com/docs/lending/disbursement.md)
- [Loan Payments](https://column.com/docs/lending/payment.md)
- [Loan Reports](https://column.com/docs/lending/report.md)
- [Loan Sales](https://column.com/docs/lending/sale.md)
### Realtime

- [Realtime](https://column.com/docs/realtime.md)
- [Incoming Realtime Transfers](https://column.com/docs/realtime/incoming-transfers.md)
- [Notifications and States](https://column.com/docs/realtime/notifications-and-states.md)
- [Outgoing Realtime Transfers](https://column.com/docs/realtime/outgoing-transfers.md)
- [Request For Payment (RFP)](https://column.com/docs/realtime/request-for-payment.md)
- [Realtime Returns](https://column.com/docs/realtime/returns.md)
### Domestic Wire

- [Domestic Wire](https://column.com/docs/wire.md)
- [Notifications and States](https://column.com/docs/wire/notifications-and-states.md)
- [Return Requests](https://column.com/docs/wire/return-requests.md)
- [Reversals](https://column.com/docs/wire/reversals.md)
- [Wire Drawdown Requests](https://column.com/docs/wire/wire-drawdown-requests.md)
### Authentication

- [Authentication](https://column.com/docs/workingwithapi.md)
- [Errors](https://column.com/docs/workingwithapi/errors.md)
- [Events and Webhooks](https://column.com/docs/workingwithapi/events-and-webhooks.md)
- [Idempotency](https://column.com/docs/workingwithapi/idempotency.md)
- [Pagination](https://column.com/docs/workingwithapi/pagination.md)