# paperplane pricing

Pay per piece. No account, no subscription, no minimum. Every price is itemized against raw USPS fees on the receipt (see https://www.sendpaperplane.com/send-certified-mail-online for the breakdown).

## Letter classes

| Class | Price | Includes | Extra page | Color |
|---|---|---|---|---|
| First-Class | $1.99 | 1 page, B&W, envelope + postage | +$0.25/page | +$0.50/page |
| First-Class + tracking | $2.98 | Adds USPS tracking (+$0.99) | +$0.25/page | +$0.50/page |
| Certified Mail | $12.99 | Proof of mailing + USPS tracking | +$0.25/page | +$0.50/page |
| Certified + Return Receipt | $14.99 | Adds court-admissible electronic proof of delivery | +$0.25/page | +$0.50/page |
| Priority Mail | $24.99 | Flat-rate envelope, 1-3 day delivery | +$0.25/page | +$0.50/page |

Documents are limited to 12 pages per letter.

## Postcards & cards

Message-only formats: the text prints directly on the piece, no custom photo or artwork side, printing and First-Class postage included, no tracking.

| Format | Price |
|---|---|
| Windowed letter (single sheet, no printed envelope) | $1.99 |
| Postcard 4x6 | $1.99 |
| Postcard 6x9 | $2.99 |
| Postcard 6x11 | $3.49 |
| Notecard (folded, enclosed like a greeting card) | $5.99 |

## Prepaid credits

Buy letter credits in bulk for up to a 35% bonus over face value. Purchased balance is valid 5 years; bonus balance is valid 12 months. Redeem with a `credit_code` on any order — see https://www.sendpaperplane.com/credits.

## Free sandbox

`sandbox: true` on any MCP or REST order simulates the full flow end-to-end at no cost — no card, no letter mailed. Use it to test integrations.

## Machine-readable sources

- REST/MCP order pricing: https://www.sendpaperplane.com/openapi.json (POST /v1/quotes)
- Sitewide Offer schema: https://www.sendpaperplane.com (JSON-LD, `Service.offers`)
- Agent card: https://www.sendpaperplane.com/.well-known/agent-card.json