# Invoice email template (seller → buyer) — free magnet

Copy-paste when you invoice a fixed-pay crypto / USDC job. Pair with the [payment-proof email](./payment-proof-email.md) after they pay.

**Also free:** [sample invoice (Base USDC)](./SAMPLE-INVOICE-BASE-USDC.md) · [Base USDC receive checklist](./BASE-USDC-CHECKLIST.md) · [fixed-pay board gate](./fixed-pay-board-gate.md) · [sales log stub](./sales-log-template.md)

---

## Invoice email (send before payment)

**Subject:** Invoice #[INV-YYYYMMDD-##] — [PRODUCT / BOUNTY NAME] — [AMOUNT] USDC on Base

Hi [Client name],

Thanks for awarding **[PRODUCT / BOUNTY NAME]**.

### Invoice summary
| Field | Value |
|-------|-------|
| Invoice # | `[INV-YYYYMMDD-##]` |
| Date | [YYYY-MM-DD] |
| Description | [1–2 line deliverable] |
| Amount due | **[e.g. 19] USDC** |
| Chain | Base (chain id `8453`) |
| Token | USDC (`0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913`) |
| Pay to | `0x0Ae3CC597f332906f29bBd24b57bDEb60C0a95B3` |
| Due | On receipt / within [N] days |

### How to pay
1. Send exactly **[AMOUNT] USDC** on **Base** to the address above.
2. Reply with the **tx hash** (or use the payment-proof template).
3. Delivery email for the artifact: **[you@example.com]**

I will confirm on Basescan and deliver `[filename / repo URL]` after 1 confirmation.

Questions: reply to this thread.

— [Your name] / kasperwallet@outlook.com

---

## Reminder (optional, +3 days)

**Subject:** Reminder — Invoice #[INV-…] still open ([AMOUNT] USDC)

Hi [Client],

Friendly nudge on invoice #[INV-…] for **[PRODUCT]**. Same Base USDC address as above. Happy to re-send deliverable scope if useful.

— [Your name]

---

## After payment (seller confirm)

1. Verify tx on https://basescan.org/tx/[hash] — token, amount, chain, to-address.
2. Log row in [sales-log-template.md](./sales-log-template.md).
3. Reply with delivery link / zip using the seller half of [payment-proof-email.md](./payment-proof-email.md).

Never ask for seed phrases. Never send “connect wallet to unlock invoice” links.