Unlimited conversions. Zero data entry.

Accounts receivable

Invoice today.
Get paid faster.

Create invoices, track customer payments, convert estimates, and manage AR aging. Zera handles your entire billing workflow with AI-drafted invoices and automatic payment application.

Invoicing + customers + collectionsAR aging built inWorks with QBO and Xero
Zera Books
INV-0091Paid
Metro Dental
$4,200
INV-0088Sent
Riverside Consulting
$8,750
INV-0086Viewed
Alpha Corp
$12,400
INV-0083Paid
Acme Enterprises
$3,180
INV-0080Draft
CloudTech Solutions
$6,500
INV-0078Sent
Peak Properties
$2,940

The full workflow

From estimate to final payment.

Draft, send, and collect on invoices from one place. Zera tracks every dollar owed to you from the moment an estimate goes out to the second the payment clears.

01

Create invoice

Estimate, invoice, or credit memo in seconds. Line items, tax, discounts, terms all editable.

02

Send and track

Email with a pay-link. See exactly when the customer opens it. Send reminders with one click.

03

Receive payment

Stripe, ACH, or manual entry. Payments auto-apply to the right invoice and post to the ledger.

04

Monitor aging

AR aging buckets update in real time. Drill down to any overdue invoice or customer.

Looking to extract data from invoice PDFs your vendors send you? That's the invoice converter. This page is about invoices you send to your customers.

Professional invoices

Draft. Sent. Viewed. Paid.

Create invoices from scratch, from a template, or convert an approved estimate with one click. Line items, discounts, tax, payment terms, all editable. Email directly from Zera with a pay-link. See when the customer views it.

  • Draft to Sent to Viewed to Paid workflow
  • Email invoices with pay-link
  • View tracking per send
  • Custom invoice templates
Invoice list and invoice detail inside Zera Books

Customer management

Every customer. Complete record.

Customer records in Zera hold billing info, payment terms, default revenue accounts, tax settings, and full transaction history. Credit limits, payment preferences, and communication log all in one place.

  • Billing info and payment terms
  • Default revenue account per customer
  • Payment preferences (ACH, check, card)
  • Full transaction history
Customer management inside Zera Books

Estimates

Estimate approved? One-click invoice.

Send an estimate. Customer approves inside Zera. Click to convert to invoice. Line items, amounts, and terms all carry over. Optional deposit invoicing for partial upfront payment.

  • Send estimates with approve and decline link
  • One-click conversion to invoice
  • Optional deposit invoicing
  • Estimate to invoice audit trail
Estimate to invoice
One click
EST-0023Estimate
Customer
Metro Dental
Total$4,200
Pending
Customer approved
Convert
INV-0091Invoice
Customer
Metro Dental
Total$4,200
Draft ready
Line items and terms carried over
Audit trail saved

Credit memos

Refunds and adjustments. Applied instantly.

Issue a credit memo for returns, service credits, or billing adjustments. Apply to an open invoice, store as customer credit for next time, or refund via Stripe. Full audit trail automatic.

  • Credit memo for any reason
  • Apply to invoice or store as credit
  • Stripe refund integration
  • Audit trail automatic
Credit memo applied
Metro Dental
CM-0012Credit
Customer
Metro Dental
Credit amount
$350.00
Service credit, ref #8842
INV-0085
Oct 14
$1,200
$850
$1,000
$1,200
INV-0091
Nov 02
$4,200
$4,050
$4,200
INV-0097
Nov 18
$2,880
Apply to one or split across many
$350 applied
Split across 2

AR aging report

Who owes what. How long.

AR aging report updates in real time: Current, 1 to 30, 31 to 60, 61 to 90, over 90. Drill down by customer, by invoice, or by revenue account. Collection status automated. Early reminders, friendly follow-ups, overdue alerts.

  • Five aging buckets real-time
  • By customer, invoice, or account
  • Collection reminder automation
  • Export to Excel or PDF
AR aging report
As of Apr 11
Current
$28,400
1 to 30
$12,600
31 to 60
$4,800
61 to 90
$1,200
Over 90
$600
Outstanding$47,600
Collection rate 94%
Manroop Gill

Manroop

Gill

Co-Founder
Zoom Books

We were drowning in bank statements from two provinces and multiple revenue streams. Zera Books cut our month-end reconciliation from three days to about four hours.

Start invoicing

Invoice today. Get paid faster.

Create invoices, track views, receive payments, monitor aging. Complete AR workflow.

Invoices. Customers. Collections. One workflow.

Try Zera Books free for one week. Cancel anytime during the trial.