Integrate Pacific Western Bank APIs

Modern Treasury’s powerful and easy to use API is the best way to integrate Pacific Western Bank's APIs into your application.
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Do more with your bank’s API

Do more with your accounting API

Our API connects directly to your ledger(s) allowing custom workflows and automation for the entire cycle of money movement. Payment initiations, approvals, reconciliation, alerting and more are accessible through our web application or API and data is synced automatically to your general ledger.

Our API connects directly to your bank(s) allowing custom workflows and automation for the entire cycle of money movement. Payment initiations, approvals, reconciliation, alerting and more are accessible through our web application or API.

Supports all Pacific Western Bank APIs and endpoints

Move money with RTP, ACH, Wire, Check, and Virtual Card

Auto-book RTP, ACH, wire, and paper check transactions

Future proof your workflows with a single a API

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curl --request POST \
  -u ORGANIZATION_ID:API_KEY \
  --url https://app.moderntreasury.com/api/payment_orders \
  -H 'Content-Type: application/json' \
  -d '{
  "type": "ach",
  "amount": 1000,
  "direction": "credit",
  "currency": "USD",
  "originating_account": "0f8e3719-3dfd-4613-9bbf-c0333781b59f",
  "receiving_account_id": "5acec2ef-987b-4260-aa97-b719eeb0a8d5"
}'
Modern Treasury's API developer portal

Pacific Western Bank API Developer Portal

Modern Treasury is the accounting API experience you’ve always wanted.

Implement our RESTful API with just a few lines of code and refine your integrations in a complete test environment with API logs, webhooks, events, customizable API keys and more.

Streamline reconciliation, closing the books, transaction matching, fee splitting, balancing accounts, data entry, and more. We have it all covered.

Implement our RESTful API with just a few lines of code and refine your integrations in a complete test environment with API logs, webhooks, events, customizable API keys and more.

You don’t have to worry about NACHA files, BAI2, ISO20022, batch timings, or building to a bank core. We have it all covered.

API Catalog

In addition to providing a robust set of tools for money movement, we support all of Pacific Western Bank's APIs.

Pacific Western Bank APIs

Modern Treasury API

Account Aggregation

Account Details

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Account and Transaction Information

Transaction

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Account Balance

Balances

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Account Statements

Statements

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Account Validation Services

Account Details

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ACH File and Batch Status

ACH Payments

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ACH Payments

ACH Payments

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Modern Treasury is SOC Type II Compliant. Read more about our security practices here.

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Latest From Our Journal

Keep up to date with our latest industry insights, bank integrations, product updates and more.

Payments Primers

What is Direct Transmission?‍

‍‍When evaluating options for payment processing, one option to consider is working directly with your bank. The term for this setup is called “direct transmission.”

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Guides

How to Build a Fund Custodian

This post is a guide to the operational, money movement aspects of private investing. While the specifics of the investments and the horizon for repayment might vary widely, we hope that this guide is useful in simplifying and demystifying how a fund might automate some of its internal operations. 

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Changelog

Product and API updates

September 2020

Events are how we model important state changes within the Modern Treasury system. When a state change event occurs, we create an Event object.

Read more →

September 2020

August has been another busy month for Modern Treasury. In addition to some of the bigger items we shipped like Permissioned API Keys, we’ve shipped a number of smaller features and improvements we’re excited to share.

Read more →

Try Modern Treasury and simplify your Pacific Western Bank integrations.