Payment reminder texts and emails for unpaid invoices

Hi [first name], friendly reminder that invoice #[number] for [$] ([job], [date]) is still open. Here's the link to pay: [link]. If you've already paid, thanks, and please ignore this.

Tip: Keep it light. People often just forgot.

Hi [first name], invoice #[number] for [$] is now two weeks past due. Please pay by [date] using [link]. If there's a problem with the invoice or the work, call me at [number] so we can sort it out.

Subject: Invoice #[number] is past due
Hi [first name],
I'm following up on invoice #[number] for $[amount] for [job] on [date]. It's now two weeks past due.
You can pay here: [link], or by [other payment methods]. Could you take care of it by [date]?
If something about the invoice or the work doesn't look right, call me at [phone] and we'll sort it out.
Thanks,
[your name]
[business]

Tip: Keep it factual and polite. General information, not legal advice.

Hi [first name], this is a final notice for invoice #[number], [$], now 30 days past due. If it isn't paid by [date], [consequence from your written terms, e.g. "a late fee of [$] applies per our service agreement"]. I'd much rather sort this out directly. Please call me at [number].

Subject: Final notice: invoice #[number]
Hi [first name],
This is a final notice for invoice #[number] for $[amount], now 30 days past due. If it isn't paid by [date], [next step from your written terms, e.g. a late fee applies per our service agreement].
I'd much rather settle this directly. You can pay here: [link], or call me at [phone] if you need to talk it through.
Thanks,
[your name]
[business]

Tip: Only mention late fees or other steps that are in your written terms and allowed where you work. General information, not legal advice.