API
How to Print and Mail Employee Paychecks with Custom Paystubs via OCW API
Guide: How to Print and Mail Employee Paychecks with Custom Paystubs Welcome! This guide will show you how to create checks with custom paystub attachments and then either print them or mail them physically through our service. Your paystub will be ...
How to Mail Checks with Custom HTML Documents (Invoices, Receipts, Paystubs) via OCW API
Guide: How to Create, Print and Mail Checks with Custom HTML Attachments Welcome! This guide will show you how to create checks with custom HTML attachments (like paystubs, invoices, or receipts) and then either print them or mail them physically ...
How to QuickMail a Check via OCW API
Guide: How to QuickMail a Check Welcome! This simplified guide will walk you through the complete workflow for mailing a physical check using our API. Learn how to create a check record and send it for physical printing and delivery. Important: About ...
How to Mail HTML Document Templates via OCW API
Guide: How to Mail Documents via HTML Templates Welcome! This comprehensive guide will walk you through the complete workflow of mailing HTML documents physically to any destination address. You'll learn how to configure your Developer Panel, upload ...
How to Mail Documents (PDF) via OCW API
Guide: How to Mail Documents (PDF) Welcome! This comprehensive guide will walk you through mailing PDF documents physically to any destination address. With a single API request, you can upload your document, specify sender and recipient details, and ...
How to Subscribe to Webhooks and Get Status Updates for Your Mailed Checks via OCW API
Guide: How to Subscribe to Webhooks and Get Status Updates for Your Mailed Checks Welcome! This comprehensive guide will walk you through the complete workflow of setting up webhooks to automatically receive real-time status updates when your mailed ...
Mailing Checks with PDF Attachments via OCW API
Guide: How to Mail Checks with PDF Attachments Welcome! This simplified guide will walk you through the complete workflow: from creating a check record with advanced details to physically mailing it with a PDF attachment (like an invoice or receipt). ...
How to turn on my API connection?
This page gives the short answer first, then every step. Short answer: Open the Developer Panel to see your API key. If you do not see a key, or it does not work, contact our support team. The steps are below. Step 1 Open the More page Sign in. In ...
How can I get my API keys?
This page gives the short answer first, then every step. Short answer: Click SETTINGS, then More, then Developer Panel. On the API Settings tab, click the eye icon to show your API Key. The steps are below. Step 1 Open the More page Sign in. In the ...
What are the features available on API?
This page gives the short answer first, then every step. Short answer: Yes. Most things you can do in the app, you can do with the API: bank accounts, wallets, payees, checks, mailing, ACH, wires, payment links, and webhooks. The full list is below. ...
How to enable webhook in production?
This page gives the short answer first, then every step. Short answer: Go to SETTINGS, More, Developer Panel, and open the Webhooks tab. Type your Webhook URL, pick your events, and click Update. The steps are below. Step 1 Open the More page Sign ...
How to enable webhook in sandbox?
A webhook sends a message to your own server when something happens in your Online Check Writer account, such as a check being updated or a payment changing status. This page shows how to turn on webhooks in the sandbox, and how to check that each ...