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Sample workspace — example data, not your own. Sign up free to run it on your own.

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Four steps and the role is working; 2 are done. Now: step 2 — which mailbox we write from.

1 · Where invoices and payments come from

2 sources working

We read open invoices and the payments against them. Before every letter we check the invoice again — a paid one never gets a reminder.

QuickBooks Online

36 open invoices · payments too · re-read before each letter

Working · Oct 05, 2026
Stripe

payment signal only — we see who has already paid

Working · Oct 05, 2026
Change key

Optional. Stripe payments are matched to invoices as soon as Stripe captures them — before your books record them — so a customer who just paid is never chased. Paste a read-only restricted key (rk_…); it is encrypted at rest and never shown again. One key serves the whole workspace.

In the sample nothing connects — start free and connect your own books.

Add Xero, NetSuite, Sage Intacct, Business Central, Zoho Books, bank statement CSV
Connect another sourceEach system's own sign-in, the Stripe key, and a bank statement for payments the books do not show.
Xero

invoices + payments · pay link

Connect
NetSuiteBeta

invoices + payments · multi-entity

Works — we are verifying it on our first customers' books. Tell us if anything looks off.

Which permissions it needs

NetSuite — the integration role also needs: Transactions → «Invoice» (View); Transactions → «Customer Payment» (View); Lists → «Customers» (View); Lists → «Currency» (View); Lists → «Subsidiaries» (View).

Connect
Sage IntacctBeta

invoices + payments · multi-entity

Works — we are verifying it on our first customers' books. Tell us if anything looks off.

Which permissions it needs

Sage Intacct — the web services user also needs: Accounts Receivable → «Invoices» (List, View); Accounts Receivable → «Received payments» (List, View); Accounts Receivable → «Customers» (List, View); Company → «Contacts» (List, View).

Connect
Business CentralBeta

invoices at the balance Business Central states

Works — we are verifying it on our first customers' books. Tell us if anything looks off.

Which permissions it needs

Business Central — the signed-in user must be able to open: «Posted Sales Invoices» (open invoices and balances); «Customers» (billing email); «Posted Sales Credit Memos» (unapplied credit); «Cash Receipt Journals» (payments not yet posted). Business Central's API reports no posted payments per invoice, so each invoice is read at exactly the balance Business Central states; a payment still waiting in a cash receipt journal holds that customer's reminder until it is posted.

Connect
Zoho BooksBeta

invoices at the balance Zoho Books states · pay link

Works — we are verifying it on our first customers' books. Tell us if anything looks off.

Connect
Bank statement CSV

payments from a statement file, matched by amount and invoice number

Upload and review

Payments your accounting system doesn't show yet? Upload your bank-export CSV. Rows with an exact amount + invoice-number reference are applied immediately; everything else becomes a suggested match for you to approve — nothing else is applied automatically.

Export from any bank: date, amount, and a reference column required. Max 5 MB.

Without the payments permission we still read every open invoice at exactly the amount your system says is owed — only the payment history is missing. A customer with no email on file is never chased; the worklist says why.

2

2 · Which mailbox we write from

Mailbox not connected

Letters go out in your name; replies come to you and to us, in the Replies tab.

Reminders go out from your own address. No password is ever entered into Ataski — only sign-in with Google or Microsoft.

Gmail / Google Workspaceone-click sign-in
Connect Gmail / Google Workspace
Outlook / Microsoft 365one-click sign-in
Connect Outlook / Microsoft 365
Other mailbox (SMTP)Never enter your main work password here. Use an app password created for Ataski, or a dedicated billing mailbox. If your provider supports the one-click sign-in above, prefer it.
Another mailbox over SMTP

App password only — created in your mail provider's security settings.

Custom SMTP (host / port / TLS)

Reminders are sent from your own mailbox. Sign-in asks only for permission to send; you can revoke it in your Google or Microsoft account at any time.

3 · How the customer pays you

A way to pay is set

Money goes straight to you — we never take payments. Choose one or more ways; the letter carries the first one available.

The “Pay” button from the invoice

Xero, QuickBooks and Zoho add the link themselves when you have Stripe / GoCardless / PayPal connected there. We simply put it in.

Not found in any invoice yet
One payment link

For example a Stripe Payment Link or PayPal.me — for invoices without their own button.

Bank transfer

Your bank details; the payment reference is the invoice number.

Bank details saved Change

All payment options →

4

4 · What the letter looks like

template + 1 AI paragraph · English

Code inserts the figures from your books — AI never touches them. Switch the ladder step to see each letter.

Invoice INV-1273 from your books

Subject:Friendly reminder: invoice INV-1273 is past due

Hello, This is a friendly reminder that invoice INV-1273 for $3,350.00 was due on Sep 23, 2026 and is now 7 days past due. If you have already sent payment, thank you, and please disregard this note.

AI paragraphcourteous, from this customer's history — written at send time

How to pay Pay by bank transfer to: Account name: Northbridge Analytics Bank: Example Bank Account number: SAMPLE0001 Payment reference: INV-1273 Your payment goes directly to Northbridge Analytics; no third party receives or handles it. If you have any questions about this invoice, just reply to this email. Kind regards, Northbridge Analytics

Fixed text at the end of every letter (disclosure, reply reference)

This is a courtesy billing reminder sent by Northbridge Analytics about the invoice referenced in this message, which you hold directly with us. We are the original creditor for this invoice; this is not a communication from a third-party debt collector, and nothing in this message is intended as any kind of threat. If you have already paid, or if you believe the invoice or amount is incorrect or in dispute, reply to this email or contact billing@northbridge.example and we will pause reminders on this account while we review it with you. If the timing is simply difficult, let us know and we will work out an arrangement. ref: ar-quickbooks-1273 This email was drafted with AI assistance on behalf of Northbridge Analytics.

inserted by code from your books written by AI — one paragraph Edit the template
Signature and consent To do

Every letter names your legal entity as the creditor and carries your contact; the two confirmations let it go out.

Only business debtors are ever chased. To mark one customer as a business or a private person, open it from the Today worklist.

Moreschedule, default payment terms, late fees, copies and statements, segments, team, notifications, reports

Letters Template + one AI paragraph (recommended)

Every reminder is built from the template for its stage. The amount, invoice number, due date, days overdue and the payment link are filled in from the invoice. AI never writes them.

How letters are written
Letter language
Reminders are drafted in this language. The legal footer still ships in English until each translation passes legal review.

Templates are kept per letter language. You are editing the English templates.

Added to every letter automatically and not editable: the greeting, the sign-off with your company name, the first-party notice, the reply reference and the AI-assistance sentence.

The body must contain {invoice_number}, {amount} and {payment_instructions}.

Preview Sample invoice
Invoice INV-1042 · $4,250.00
Upcoming: invoice INV-1042 is due on Oct 19, 2026

Hello, Just a friendly heads-up that invoice INV-1042 for $4,250.00 is due on Oct 19, 2026. If payment is already scheduled, thank you, and no action is needed.

Here the AI adds one short paragraph about this customer's account — a partial payment, earlier reminders, a promise to pay — when there is history to mention. It never contains figures, dates or links.

How to pay Pay online with the secure link from your invoice: https://pay.example.com/invoice/INV-1042 Your payment goes directly to Northbridge Analytics; no third party receives or handles it. If you have any questions about this invoice, just reply to this email. Kind regards, Northbridge Analytics This is a courtesy billing reminder sent by Northbridge Analytics about the invoice referenced in this message, which you hold directly with us. We are the original creditor for this invoice; this is not a communication from a third-party debt collector, and nothing in this message is intended as any kind of threat. If you have already paid, or if you believe the invoice or amount is incorrect or in dispute, reply to this email or contact billing@northbridge.example and we will pause reminders on this account while we review it with you. If the timing is simply difficult, let us know and we will work out an arrangement. ref: ar-quickbooks-INV-1042 This email was drafted with AI assistance on behalf of Northbridge Analytics.

Rendered by code from this template and a sample invoice. No AI was used for this preview.

The body must contain {invoice_number}, {amount} and {payment_instructions}.

Preview Sample invoice
Invoice INV-1042 · $4,250.00
Invoice INV-1042, due on Oct 16, 2026

Hello, A quick, friendly note about invoice INV-1042 for $4,250.00, due on Oct 16, 2026. If payment is already on its way, thank you, and please disregard this note.

Here the AI adds one short paragraph about this customer's account — a partial payment, earlier reminders, a promise to pay — when there is history to mention. It never contains figures, dates or links.

How to pay Pay online with the secure link from your invoice: https://pay.example.com/invoice/INV-1042 Your payment goes directly to Northbridge Analytics; no third party receives or handles it. If anything about this invoice needs our attention, just reply to this email. Kind regards, Northbridge Analytics This is a courtesy billing reminder sent by Northbridge Analytics about the invoice referenced in this message, which you hold directly with us. We are the original creditor for this invoice; this is not a communication from a third-party debt collector, and nothing in this message is intended as any kind of threat. If you have already paid, or if you believe the invoice or amount is incorrect or in dispute, reply to this email or contact billing@northbridge.example and we will pause reminders on this account while we review it with you. If the timing is simply difficult, let us know and we will work out an arrangement. ref: ar-quickbooks-INV-1042 This email was drafted with AI assistance on behalf of Northbridge Analytics.

Rendered by code from this template and a sample invoice. No AI was used for this preview.

The body must contain {invoice_number}, {amount} and {payment_instructions}.

Preview Sample invoice
Invoice INV-1042 · $4,250.00
Friendly reminder: invoice INV-1042 is past due

Hello, This is a friendly reminder that invoice INV-1042 for $4,250.00 was due on Oct 09, 2026 and is now 7 days past due. If you have already sent payment, thank you, and please disregard this note.

Here the AI adds one short paragraph about this customer's account — a partial payment, earlier reminders, a promise to pay — when there is history to mention. It never contains figures, dates or links.

How to pay Pay online with the secure link from your invoice: https://pay.example.com/invoice/INV-1042 Your payment goes directly to Northbridge Analytics; no third party receives or handles it. If you have any questions about this invoice, just reply to this email. Kind regards, Northbridge Analytics This is a courtesy billing reminder sent by Northbridge Analytics about the invoice referenced in this message, which you hold directly with us. We are the original creditor for this invoice; this is not a communication from a third-party debt collector, and nothing in this message is intended as any kind of threat. If you have already paid, or if you believe the invoice or amount is incorrect or in dispute, reply to this email or contact billing@northbridge.example and we will pause reminders on this account while we review it with you. If the timing is simply difficult, let us know and we will work out an arrangement. ref: ar-quickbooks-INV-1042 This email was drafted with AI assistance on behalf of Northbridge Analytics.

Rendered by code from this template and a sample invoice. No AI was used for this preview.

The body must contain {invoice_number}, {amount} and {payment_instructions}.

Preview Sample invoice
Invoice INV-1042 · $4,250.00
Second reminder: invoice INV-1042 is 21 days overdue

Hello, We are following up on invoice INV-1042 for $4,250.00, which was due on Sep 25, 2026 and is now 21 days past due. Could you let us know when we can expect payment, or reply if anything is holding it up?

Here the AI adds one short paragraph about this customer's account — a partial payment, earlier reminders, a promise to pay — when there is history to mention. It never contains figures, dates or links.

How to pay Pay online with the secure link from your invoice: https://pay.example.com/invoice/INV-1042 Your payment goes directly to Northbridge Analytics; no third party receives or handles it. Thank you for taking care of this. Kind regards, Northbridge Analytics This is a courtesy billing reminder sent by Northbridge Analytics about the invoice referenced in this message, which you hold directly with us. We are the original creditor for this invoice; this is not a communication from a third-party debt collector, and nothing in this message is intended as any kind of threat. If you have already paid, or if you believe the invoice or amount is incorrect or in dispute, reply to this email or contact billing@northbridge.example and we will pause reminders on this account while we review it with you. If the timing is simply difficult, let us know and we will work out an arrangement. ref: ar-quickbooks-INV-1042 This email was drafted with AI assistance on behalf of Northbridge Analytics.

Rendered by code from this template and a sample invoice. No AI was used for this preview.

The body must contain {invoice_number}, {amount} and {payment_instructions}.

Preview Sample invoice
Invoice INV-1042 · $4,250.00
Final reminder: invoice INV-1042 remains unpaid

Hello, Invoice INV-1042 for $4,250.00 was due on Sep 11, 2026 and is now 35 days past due. This is our last automated reminder; after it, a member of our team will contact you directly about the balance.

Here the AI adds one short paragraph about this customer's account — a partial payment, earlier reminders, a promise to pay — when there is history to mention. It never contains figures, dates or links.

How to pay Pay online with the secure link from your invoice: https://pay.example.com/invoice/INV-1042 Your payment goes directly to Northbridge Analytics; no third party receives or handles it. Please arrange payment or reply to this email so we can sort it out together. Kind regards, Northbridge Analytics This is a courtesy billing reminder sent by Northbridge Analytics about the invoice referenced in this message, which you hold directly with us. We are the original creditor for this invoice; this is not a communication from a third-party debt collector, and nothing in this message is intended as any kind of threat. If you have already paid, or if you believe the invoice or amount is incorrect or in dispute, reply to this email or contact billing@northbridge.example and we will pause reminders on this account while we review it with you. If the timing is simply difficult, let us know and we will work out an arrangement. ref: ar-quickbooks-INV-1042 This email was drafted with AI assistance on behalf of Northbridge Analytics.

Rendered by code from this template and a sample invoice. No AI was used for this preview.
Placeholders
  • {invoice_number} — the invoice number
  • {amount} — the open balance, with its currency
  • {due_date} — the due date
  • {days_overdue} — how many days overdue
  • {creditor_name} — your company name
  • {billing_contact} — your billing contact
  • {context_paragraph} — where the AI paragraph goes (template + AI mode only)
  • {payment_instructions} — how to pay
Tone · voice samples
Paste a couple of reminders you've sent before — the AI matches your tone. No samples yet.
Answers to your customers
Documents we may attach and the payment-plan limits for answers to your customers' replies.

Reminder schedule Standard

When each reminder is drafted: a heads-up before the due date, then the overdue ladder in days past due. Letters to one customer are always at least 7 days apart.

1 · Before the due date

from 1 to 14

2 · After the due date — the overdue ladder

2 to 6 reminders separated by commas, each at least 7 days after the one before, between day 1 and day 180. The last one is the final notice; after it the invoice comes to you. Standard: 7, 21, 45.

3 · When letters go out

Payment days and the 9:00 send time are read in this zone.

Advanced — batch release after approval, days · 0 / 15 / 45

These delays apply only when reminders are approved as a batch («Approve selected») or queued by automatic sending: an approved first reminder goes out this many days after the approval, a middle reminder and the final notice after theirs. The overdue ladder above decides WHEN each reminder is drafted; these decide how long an approved batch waits before it leaves. «Review & send» on a single letter sends it at once.

from 0 to 14

from 7 to 60

from 14 to 120

Late fees Off

Show the late fee your own payment terms accrue on overdue invoices, and state it in overdue reminders. The pay-now amount never changes, and nothing is written to your accounting system.

Simple interest per year — e.g. 18 means 1.5% per month. Capped at 30%.

Days past due before the fee starts accruing.

The fee is computed by code from your rate and grace period, never by AI. Pay-now amounts never include it: add the fee in your accounting system if you decide to collect it.

Set an annual rate to see the sentence letters will carry.

How the customer pays

We never take payments. Each letter carries the way to pay that your books hold for that invoice — its pay link or your bank details — and the money goes straight to you. No way to pay → the letter is held, not sent. The amount owed is checked against actual payments (never inflated).

The payment link itself is set in step 3, “How the customer pays you”. Go to step 3 → · Payment options →

Letters to debtors

How reminders are grouped and who gets a copy: one letter per customer, copies to a second contact or the account owner, and a monthly statement.

One letter per customer
When a customer has several overdue invoices, they get one letter that lists all of them instead of one letter per invoice. The table, every amount, date and payment link are filled in from your invoices. Amounts in different currencies are totalled separately.
Preview: a customer with three overdue invoices
Preview: a customer with three overdue invoices Sample invoice
Second reminder: overdue invoices from Northbridge Analytics

Hello, We are following up on the invoices below, which are past due. Could you let us know when we can expect payment, or reply if anything is holding it up?

Here the AI adds one short paragraph about this customer's account — a partial payment, earlier reminders, a promise to pay — when there is history to mention. It never contains figures, dates or links.

Overdue invoices - INV-1042 · issued Aug 12, 2026 · due Sep 11, 2026 · 35 days overdue · $4,250.00 Pay this invoice online: https://pay.example.com/invoice/INV-1042 - INV-1057 · issued Aug 26, 2026 · due Sep 25, 2026 · 21 days overdue · $1,180.00 Pay this invoice online: https://pay.example.com/invoice/INV-1057 - INV-1063 · issued Sep 07, 2026 · due Oct 07, 2026 · 9 days overdue · $615.50 Total overdue in USD: $6,045.50 How to pay Pay online on the Northbridge Analytics payment page: https://pay.example.com/your-company Your payment goes directly to Northbridge Analytics; no third party receives or handles it. Your full statement of account, and a place to tell us about a payment, a dispute or a payment date: https://ataski.com/pay/ar/sample Thank you for taking care of this. Kind regards, Northbridge Analytics This is a courtesy billing reminder sent by Northbridge Analytics about the invoice referenced in this message, which you hold directly with us. We are the original creditor for this invoice; this is not a communication from a third-party debt collector, and nothing in this message is intended as any kind of threat. If you have already paid, or if you believe the invoice or amount is incorrect or in dispute, reply to this email or contact billing@northbridge.example and we will pause reminders on this account while we review it with you. If the timing is simply difficult, let us know and we will work out an arrangement. ref: ar-quickbooks-INV-1042 This email was drafted with AI assistance on behalf of Northbridge Analytics.

Rendered by code from three sample invoices. No AI was used for this preview.
Copies and monthly statement
Send reminders in copy to a second contact at the customer and to your account owner, and send every customer a monthly statement of account. All off until you switch them on.

On this day each month, every customer with an open balance gets a statement of all open invoices. It waits for your approval like any reminder, counts toward the one-letter-a-week limit per customer, and never goes to a customer on the stop list or whose invoices are all disputed.

How the role works Safe mode: on

We write only after your approval. There is no separate threshold for manual review. We write on any day of the week. After your approval, reminders go out 0, 15 and 45 days later, timed to each customer's usual payment day. Letters are written in English, in a businesslike, neutral tone.

Automatic sending is earned per customer: after 3 letters you sent to that customer by hand, you may switch them to automatic on their page (Safe mode must be off).

Customers on automatic sending
0
Customers 1–2 hand-sent letters away
3
Ready to switch (still manual)
0
changecollapse
What exactly is checked before a send · 10 checks run before every send — here they all are. Most of them were never yours to do.
  1. First party — you are collecting your own debt
  2. The creditor's legal name matches the one you set
  3. Asked us to stop — the address is on your stop list
  4. Debtor type — we write to businesses only
  5. Frequency — no more often than allowed per debtor
  6. The invoice was already paid, credited or disputed
  7. Data freshness — the book was read recently enough
  8. Payment link — trusted domains only
  9. Monthly send limit of your plan
  10. Duplicate — the same letter never goes out twice

Activity report

An email summary of what this role got done, sent to your workspace admins. On by default at the end of each subscription month — pick a different schedule or turn it off.

View the report

Plan Manage

Tier, invoices and payment method