Stax

Stax Invoice API

The Invoice API from Stax — 9 operation(s) for invoice.

Documentation GitHub OpenAPI

Business capability

Accounts Receivable Management BC-200.30

Operations 13

Each operation below carries the questions people ask an LLM about it and the instructions they give an agent to run it. Generated by API Evangelist overlay

POST /invoice/schedule/ Schedule a recurring or one-time invoice · Create a Scheduled Invoice #

Ask an LLM

“Can I set up an invoice that bills a customer automatically every month?”

“Is it possible to schedule a one-time invoice for a future date with a recurrence rule?”

Tell an agent

Schedule a recurring {total} invoice for customer {customer_id} using rule {rule}, linking to {url}.

Create an invoice schedule for {total} that auto-charges payment method {payment_method_id}, payment page {url}.

POST /invoice Create an invoice for a customer · Create an Invoice #

Ask an LLM

“How do I bill a customer with a one-off invoice?”

“Can I let a customer pay an invoice in partial payments?”

Tell an agent

Create a {total} invoice for customer {customer_id} with payment page {url}.

Invoice customer {customer_id} for {total}, due {due_at}, payable at {url}.

GET /invoice List and search invoices · Get All Invoices #

Ask an LLM

“Which invoices have I sent to a particular customer email?”

“Can I find all invoices generated by a specific recurring schedule?”

Tell an agent

List all my invoices.

Find invoices sent to {email}.

DELETE /invoice/{id} Delete an invoice · Delete an Invoice #

Ask an LLM

“Can I delete an invoice that was created by mistake?”

“What happens to a single invoice when I remove it?”

Tell an agent destructive · confirm first

Delete invoice {id}.

Remove the invoice {id} from my account.

GET /invoice/{id} Get one invoice · Get an Invoice #

Ask an LLM

“What is the status and balance of a specific invoice?”

“Can I look up a single invoice by its ID?”

Tell an agent

Get invoice {id}.

Show me the line items and total on invoice {id}.

PUT /invoice/{id} Update an existing invoice · Update an Invoice #

Ask an LLM

“Can I change the invoice date on an invoice I already created?”

“Is it possible to edit an invoice after it has been issued?”

Tell an agent

Change the invoice date on invoice {id} to {invoice_date_at}.

Update existing invoice {id}.

DELETE /invoice/schedule/{id} Delete a recurring invoice schedule · Delete an Invoice Schedule #

Ask an LLM

“Can I stop a recurring billing schedule for good?”

“Does deleting an invoice schedule need merchant authentication?”

Tell an agent destructive · confirm first

Delete invoice schedule {id}.

Cancel the recurring invoice schedule {id} permanently.

PUT /invoice/schedule/{id} Edit an invoice schedule · Edit an Invoice Schedule #

Ask an LLM

“Can I pause a recurring invoice schedule without deleting it?”

“Is it possible to change the amount or recurrence rule on an existing invoice schedule?”

Tell an agent

Set invoice schedule {id} active to {active}.

Change invoice schedule {id} to bill {total} on rule {rule}.

POST /invoice/{id}/pay/{method} Mark an invoice paid by cash, check or gift card · Mark an Invoice Paid in Cash or Check #

Ask an LLM

“Can I record that a customer paid an invoice with cash or a check outside of Stax?”

“Is it possible to log a check number when marking an invoice paid manually?”

Tell an agent

Mark invoice {id} as paid by {method}.

Mark invoice {id} paid by {method} with check number {check_number}.

POST /invoice/{id}/pay Pay an invoice with a payment method · Pay an Invoice #

Ask an LLM

“How do I charge a customer's saved card to pay off an invoice?”

“Can I apply a partial payment to an invoice using a stored payment method?”

Tell an agent

Pay invoice {id} with payment method {payment_method_id}.

Charge {apply_balance} toward invoice {id} on payment method {payment_method_id}.

GET /invoice/schedule List scheduled invoices · Retrieve All Scheduled Invoices #

Ask an LLM

“Which recurring invoice schedules are set up on my merchant account?”

“Can I see the invoice schedules for just one customer?”

Tell an agent

List all my scheduled invoices.

Show the invoice schedules for customer {customer_id}.

PUT /invoice/{id}/send/email Email an invoice to the customer · Send an Invoice via Email #

Ask an LLM

“Can I email an invoice to a customer and copy other addresses on it?”

“Is there a way to resend an invoice to a customer's inbox?”

Tell an agent

Email invoice {id} to the customer.

Email invoice {id} and CC {ccEmails}.

PUT /invoice/{id}/send/sms Text an invoice to the customer · Send an Invoice via SMS #

Ask an LLM

“Can I send an invoice to a customer by text message?”

“Is it possible to include a custom message when texting an invoice?”

Tell an agent

Text invoice {id} to {phone}.

Send invoice {id} by SMS with the message {message}.

Stax Invoice API

Operations 13

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