How do I integrate Kashflow API with my application?

Apideck provides a unified Accounting API that makes Kashflow integration simple. Sign up for free, enable Kashflow in your dashboard, and use our Vault component to let your users connect their Kashflow accounts. We handle OAuth authentication, token refresh, and data normalization automatically.

What Kashflow data can I access through Apideck?

Our Kashflow integration supports 10+ data models including company details, credit notes, customers, and products. You can perform read and write operations through our unified API, working with the same code structure across all accounting platforms.

How does Kashflow authentication work with Apideck?

Apideck's Vault handles Kashflow authentication completely. Your users connect their Kashflow accounts through our secure, white-label UI. We manage OAuth tokens, automatic refresh, and credential storage, so you never have to implement Kashflow's auth flow yourself.

How do I keep my app in sync with Kashflow?

While Kashflow has limited native webhook support, Apideck provides polling-based sync and virtual webhooks to keep your data current. Configure your sync frequency in the dashboard, and we'll handle fetching updates from Kashflow.

Why use Apideck instead of Kashflow's direct API?

Using Apideck's unified API instead of Kashflow's direct API saves significant development time. You get normalized data models, automatic auth handling, and the same integration code works with 200+ other apps. When Kashflow updates their API, we handle the changes so your integration keeps working.

How quickly can I build a Kashflow integration?

Most developers ship a working Kashflow integration within a day using Apideck. Sign up for a free trial (no credit card required), enable Kashflow, and make your first API call within minutes. Our SDKs for Node.js, Python, and other languages make implementation straightforward.

Kashflow Accounting API integration

Build Kashflow Accounting integrations in minutes, not months. One API to sync permissioned accounting data with Kashflow and 27+ other apps.

10+ data models

SOC 2 certified

Free trial

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Integration Guide

How to integrate Kashflow API in 3 steps

Build a production-ready Kashflow Accounting API integration in minutes, not months. No OAuth headaches, no maintenance burden.

Step 01

Create your Apideck account

Sign up for free and enable Kashflow in your Apideck dashboard. Configure which accounting data your app needs access to.

Start your free trial
2,500 API calls included
No credit card required

Step 02

Connect Kashflow via Vault

Use our pre-built Vault component to let your users securely connect their Kashflow account. We handle OAuth, token refresh, and credential storage.

White-label auth UI
Automatic token refresh
SOC 2 certified storage

Step 03

Start syncing accounting data

Make API calls to read and write accounting data from Kashflow. Use the same code to connect 200+ other apps.

Normalized data models
Real-time webhooks
Full CRUD support

Start Kashflow integration

Free trial • No credit card required • Setup in under 5 minutes

Code Example

Kashflow API integration code

Integrate Kashflow with just a few lines of code. Our unified Accounting API normalizes data across 200+ integrations, so you write once and connect everywhere.

Normalized responses — same data structure for all accounting apps
Official SDKs — Node.js, Python, and more with TypeScript support
Full documentation — interactive API reference with Kashflow-specific examples

View Kashflow API documentation →

import { Apideck } from '@apideck/node'

const apideck = new Apideck({
  apiKey: process.env.APIDECK_API_KEY,
  appId: process.env.APIDECK_APP_ID,
  consumerId: 'user-123'
})

// List invoices from Kashflow
const { data } = await apideck.accounting.invoicesAll({
  serviceId: 'kashflow'
})

console.log(`Found ${data.length} invoices`)

Explore all SDKs ↓

Why integrate Kashflow with Apideck?

Build a production-ready Kashflow integration with enterprise-grade reliability

Ship Kashflow integration fast

Go live with Kashflow in days, not months. Our unified Accounting API handles authentication, data normalization, and error handling so your team can focus on building features.

10+ Kashflow data models

Access 10+ data models for Kashflow including customers, invoices and payments. Read and write data through a single standardized API.

Real-time webhook coverage

Keep your product synchronized with Kashflow using webhooks. Receive push updates for invoices, customers, payments, and more without polling.

API Resources

Push and pull Kashflow data

Use our Unify API to get real-time data from Kashflow

View API Reference

Technical Specifications

Kashflow API integration details

Everything you need to know about integrating Kashflow through our unified Accounting API.

Authentication

Basic Auth

Username/password authentication

Data Models

10+ resources

Access 10+ normalized data models

Webhooks

Polling supported

Scheduled polling for updates

Security

SOC 2 Type II

Enterprise-grade security certified

Token Management

Automatic refresh

Never worry about expired tokens

API Format

REST + JSON

Standard REST API with JSON responses

Kashflow direct API vs Apideck unified API

Feature	Direct Kashflow API	Apideck Unified API
OAuth implementation	Build from scratch	Handled by Vault
Token refresh	Manual handling	Automatic
Data normalization	Kashflow format only	Normalized across 200+ apps
Error handling	Platform-specific	Unified error codes
Rate limit management	DIY implementation	Built-in throttling
Maintenance	Ongoing updates required	We handle API changes
Additional integrations	Separate work each	Same code, 200+ apps

View complete Kashflow API reference →

Use Cases

What integrations can you build with Kashflow?

Power these accounting workflows with Kashflow data through our unified API.

Accounts Payable

Sync vendor bills, approvals & payments across accounting systems in real time.

Learn more

Accounts Receivable

Push invoices, payment statuses & credits into users' ledgers.

Learn more

Business Lending

Use accounting data to get smarter risk assessments and lending decisions.

Learn more

Expense Management

Pull data to automate spend reporting and reconciliation.

Learn more

Payroll Accounting

Streamline payroll data flow between HR systems and accounting platforms seamlessly.

Learn more

Procurement

Automate purchase orders, vendor management, and spend tracking across ERP and accounting systems.

Learn more

Tax Automation

Connect to accounting data to accurately calculate, file, and reconcile sales tax.

Learn more

Carbon Accounting

Embed sustainability metrics by syncing financial data for carbon footprint tracking and ESG reporting.

Learn more

View all use cases

Kashflow Integration FAQ

Common questions about integrating Kashflow with your application

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