Double-entry accounting, API-first

Accounting infrastructure
for developers

The books your business needs, with the API your team wants. Invoices, bills, journal entries, and financial reports — all programmable.

create-invoice.ts
const invoice = await yieldly.invoices.create({
 contact_id: "cust_01H8...",
 line_items: [
 { description: "API Integration", amount: 150_00 }
 ],
 due_date: "2026-05-01"
});

// Yieldly auto-creates the double-entry journal
// DR Accounts Receivable $150.00
// CR Revenue $150.00
Built on
Cloudflare Workers|D1 SQLite|Double-entry ledger

Everything your books need.
Nothing they don't.

Real double-entry accounting with a clean interface and a programmable API. Not another spreadsheet dressed up as software.

Double-entry ledger

Every transaction creates balanced journal entries. Debits equal credits, always. Your books stay correct by design, not by hope.

API-first design

Everything you can do in the UI, you can do via the REST API. Create invoices, record payments, and pull reports programmatically.

Invoices & bills

Send invoices to customers and track bills from vendors. Line items, tax rates, due dates, and payment status — all handled.

Financial reports

Balance sheet, income statement, trial balance, and cash flow — generated from your ledger in real time. Export or fetch via API.

Multi-company & teams

Run multiple companies from one account. Invite team members with role-based access — owner, admin, accountant, or viewer.

Audit trail

Every change is logged. Know who did what, when, and why. Immutable journal entries and full revision history for compliance.

Up and running in minutes

No consultants, no migration headaches. Sign up, configure your chart of accounts, and start recording transactions.

1

Set up your company

Create an account and add your company. Yieldly sets up a standard chart of accounts automatically — customize it from there.

2

Record transactions

Create invoices, log bills, record payments. Every action creates proper double-entry journal entries behind the scenes.

3

Integrate & automate

Use the REST API to sync with your payment processor, CRM, or any tool in your stack. Automate the boring parts.

Your books, your API.

Stop wrestling with spreadsheets and legacy accounting software. Start with Yieldly and build your financial stack the right way.