STEP 1
Connect Bill and onPay
Save credentials in WEXTL once. We store them encrypted and reuse the authorization across every workflow [3]. No coding or API skills required.
Bill and onPay Integration
Build finance workflows between Bill and onPay on a visual canvas — set up data fields sync between apps once and let data flow when events come automatically. Integration will work without code and your team will see the workflow inside WEXTL® builder.
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Learn about Bill and onPay
Detailed info you need to know about Bill and onPay integrations in WEXTL. Explore which modules apps support and how you connect them.
How to connect Bill to onPay
Set up your Bill and onPay integration in 3 simple steps [2] — no coding required. Up to 10 minutes setup.
STEP 2
Build a workflow
Paste selected Bill and onPay nodes onto the canvas [4], or describe what you want and WEXTL wires the flow together with AI Builder.
STEP 3
Map your data
Choose which fields need to sync between Bill and onPay. Use filters or leverage a JS custom code step in between — everything is on the canvas.
How does the integration between Bill and onPay work in WEXTL?
WEXTL exposes actions and triggers for Bill and onPay that help you connect apps and automate repetitive tasks [1]. A trigger is an event that happens, an action — a step that performs when the event has occurred.
Bill triggersonPay actions
Bill modules
- Cancel a PaymentCancels a payment using its unique ID.
- Create a BillCreates a new bill for a vendor.
- Create a CustomerCreates a new customer in the system.
- Create a PaymentCreates a payment in the system.
- Create a VendorCreates a new vendor.
- Create an InvoiceCreates an invoice for a customer.
- Get a BillRetrieves a bill by its ID.
- Get a CustomerRetrieves a customer's details from the service.
- Get a PaymentRetrieves a payment from the service.
- Get a VendorRetrieves a vendor's details.
- Get an InvoiceRetrieves an invoice from the system.
- List Bill DocumentsRetrieves all bill documents from the service.
- List BillsRetrieves a list of all bills.
- List CustomersLists all customers.
- List InvoicesLists all invoices.
- List PaymentsLists all payments.
- List UsersLists all users.
- Make an API CallPerforms an arbitrary authorized API call.
- Update a CustomerUpdates a customer's information in the system.
- Update a VendorUpdates a vendor's information in the system.
- Update an InvoiceUpdates an invoice with new information.
- Upload a Bill DocumentUploads a bill document to the specified location.
- Watch BillsTriggers when a new bill is created.
- Watch CustomersTriggers when a new customer is created.
- Watch InvoicesTriggers when a new invoice is created.
- Watch PaymentsTriggers when a new payment is made.
onPay modules
- Cancel a SubscriptionCancels a subscription for a specified user or service.
- Cancel a TransactionCancels a transaction.
- Capture a TransactionCaptures a transaction.
- Create a PaymentCreates a new payment.
- Create a Transaction From a SubscriptionCreates a new transaction from a subscription.
- Get a SubscriptionRetrieves a specific subscription by its identifier.
- Get a TransactionRetrieves transaction events.
- Get an AcquirerRetrieves a specific acquirer.
- List AcquirersRetrieves a list of acquirers.
- List ProvidersRetrieves a list of providers.
- List SubscriptionsRetrieves all subscriptions.
- List Transaction EventsRetrieves transaction history events from onPay. This endpoint is optimized for keeping systems in sync with the latest transaction activity and supports cursor-based pagination to avoid refetching already processed events.
- List TransactionsRetrieves a list of transactions.
- List WalletsRetrieves a list of wallets.
- Make an API CallPerforms an arbitrary authorized API call.
- Refund a TransactionRefunds a transaction.
- Update an AcquirerUpdates settings of an acquirer.
- Watch SubscriptionsTriggers when a subscription is created or updated.
- Watch Transaction EventsTriggers when transaction events occur.
- Watch TransactionsTriggers when a transaction is created or updated.
Explore alternative integrations
There are other apps [9] supported by WEXTL that can be paired with Bill and onPay integrations. Pick any from the list below if the current combination isn't the one you need.
Frequently asked questions
Common questions about connecting Bill and onPay.
Connect your Bill and onPay accounts once, pick a trigger in one app and an action in the other, then map the fields so data flows automatically between them. [3]
Example: when Bill's "Watch Bills" fires, WEXTL can "Cancel a Subscription" in onPay. Bill has 4 triggers (including Watch Bills, Watch Customers, and Watch Invoices); onPay has 17 actions (including Cancel a Subscription, Cancel a Transaction, and Capture a Transaction). Add filters and transforms between steps when you need them. [1]
Yes — the integration works in both directions. Use each app's triggers to start a workflow and the other app's actions to update it. [2]
No. Bill-to-onPay automations are built visually on the canvas. You can optionally add custom JavaScript with Functions when you need advanced logic. [4]
Yes. Trigger-based automations start the moment Bill (or onPay) fires a new event — webhook-backed apps run within seconds, and polling-only apps re-check on a schedule you control. [7]
A first automation typically takes 5–10 minutes: connect each app's credential once, drop a trigger + action onto the canvas, map the fields, and turn the workflow on.
You can build your Bill + onPay automation on a 3-day trial with every feature unlocked. Cancel anytime. For your protection, a small deposit is charged to your card when your trial starts. It counts toward your first payment and is non-refundable. [8]
References
List of sources used to gather information about the Bill and onPay integration.
- Bill and onPay integration source code, module specs and credentials implementation.
- Our Bill and onPay integration documentation, structured input and output parameters, scopes, and authentication methods.
- Official vendor API documentation for Bill and onPay — used to verify field meanings, authentication flows, and anything our own specs don't fully capture.
- WEXTL® visual workflow builder, anonymized data from our technical support team.
- Bill integration information
- onPay integration information
- WEXTL® Scheduling
- WEXTL® Pricing and Trial
- WEXTL® Apps Library