Payhawk

Q: How do I connect Payhawk to my app?

Use Weavz Hosted Connect for custom authentication. Install the SDK, create a connection through the connect portal or API, then execute tools programmatically.

Q: Can Payhawk be used in stateful agent workflows?

Yes. Weavz lets agents combine Payhawk tools with Filesystem, State KV, Human Gates, input partials, and other workspace integrations while keeping execution scoped to the selected workspace or end user.

Q: What authentication does Payhawk use?

Payhawk uses custom authentication. Weavz stores credentials securely and uses them for authorized action execution.

Manage Payhawk expenses, suppliers, fund accounts, custom fields, and webhook subscriptions.

CustomFinance

18 tools

5 triggers

Tools

Name	Description
`list_expenses` List Payhawk expenses with paging, filters, and ordering.	List Payhawk expenses with paging, filters, and ordering.
`get_expense` Get a Payhawk expense by ID.	Get a Payhawk expense by ID.
`get_expense_workflow` Get approval workflow details for a Payhawk expense.	Get approval workflow details for a Payhawk expense.
`create_expense` Create a Payhawk bill, reimbursable, or cash expense. Per diem and mileage expenses are not supported by Payhawk API docs.	Create a Payhawk bill, reimbursable, or cash expense. Per diem and mileage expenses are not supported by Payhawk API docs.
`update_expense` Update a Payhawk expense using the official API body.	Update a Payhawk expense using the official API body.
`delete_expense` Delete a Payhawk expense. Payhawk notes paid expenses cannot be deleted.	Delete a Payhawk expense. Payhawk notes paid expenses cannot be deleted.
`list_suppliers` List Payhawk suppliers.	List Payhawk suppliers.
`get_supplier` Get a Payhawk supplier by ID.	Get a Payhawk supplier by ID.
`create_supplier` Create a Payhawk supplier.	Create a Payhawk supplier.
`update_supplier` Update a Payhawk supplier.	Update a Payhawk supplier.
`list_fund_accounts` List Payhawk fund accounts.	List Payhawk fund accounts.
`get_bank_statement` Get bank statement lines for a Payhawk fund account.	Get bank statement lines for a Payhawk fund account.
`list_custom_fields` List Payhawk custom fields.	List Payhawk custom fields.
`create_custom_field` Create a Payhawk custom field.	Create a Payhawk custom field.
`delete_custom_field` Delete a Payhawk custom field. Existing expenses are not updated automatically by Payhawk.	Delete a Payhawk custom field. Existing expenses are not updated automatically by Payhawk.
`list_webhook_subscriptions` List Payhawk webhook subscriptions for the account.	List Payhawk webhook subscriptions for the account.
`create_webhook_subscription` Create a Payhawk webhook subscription for a callback URL and event type.	Create a Payhawk webhook subscription for a callback URL and event type.
`custom_api_call` Call a constrained Payhawk account spend API path.	Call a constrained Payhawk account spend API path.

Triggers

Name	Description
`webhook_event` Receive any Payhawk webhook event. Configure the callback URL in Payhawk.	Receive any Payhawk webhook event. Configure the callback URL in Payhawk.
`expense_created` Receive Payhawk expense.created webhook events. Configure the callback URL in Payhawk.	Receive Payhawk expense.created webhook events. Configure the callback URL in Payhawk.
`expense_approved` Receive Payhawk expense.approved webhook events. Configure the callback URL in Payhawk.	Receive Payhawk expense.approved webhook events. Configure the callback URL in Payhawk.
`supplier_updated` Receive Payhawk supplier.updated webhook events. Configure the callback URL in Payhawk.	Receive Payhawk supplier.updated webhook events. Configure the callback URL in Payhawk.
`payment_settled` Receive Payhawk payment.settled webhook events. Configure the callback URL in Payhawk.	Receive Payhawk payment.settled webhook events. Configure the callback URL in Payhawk.

Quick Start

TypeScript

import { WeavzClient } from '@weavz-io/sdk'

const weavz = new WeavzClient({ apiKey: 'wvz_...' })

const result = await weavz.actions.execute('payhawk', 'list_expenses', {
  workspaceId: '550e8400-e29b-41d4-a716-446655440000',
  integrationAlias: 'payhawk',
  input: { /* ... */ },
})

API Reference TypeScript SDK Python SDK All Features Pricing

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Frequently Asked Questions

How do I connect Payhawk to my app?

Use Weavz Hosted Connect for Custom authentication. Install the SDK, create a connection through the connect portal or API, then execute tools programmatically.

What tools does Payhawk support?

Payhawk supports 18 tools including List Expenses, Get Expense, Get Expense Workflow, Create Expense, Update Expense, and more.

Can I use Payhawk with AI agents?

Yes. Add Payhawk to an MCP server in Tool Mode or Code Mode. Code Mode provides 3 meta-tools with on-demand API discovery so agents can compose stateful workflows without loading every action schema up front.

Can Payhawk be used in stateful agent workflows?

Yes. Agents can combine Payhawk tools with Filesystem, State KV, Human Gates, input partials, and other workspace integrations while keeping execution scoped to the selected workspace or end user.

What authentication does Payhawk use?

Payhawk uses Custom. Weavz stores credentials securely and uses them for authorized action execution.

How much does the Payhawk integration cost?

The Payhawk integration is included on all Weavz plans including the free tier with 20,000 actions per month. No credit card required.

What triggers does Payhawk support?

Payhawk supports 5 triggers including Webhook Event, Expense Created, Expense Approved, Supplier Updated, Payment Settled.

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