# Postbye (postbye.com)

Mails certified cancellation letters to subscription companies on your behalf and forwards the signed delivery proof.

- Atlas card: https://inite.ai/en/atlas/postbye.com
- Site: https://postbye.com
- For: People cancelling recurring subscriptions who want certified mail proof that the cancellation was sent
- Categories: sales
- Use not measured/100 · alive 100/100

## Used for

- Send cancellation letters by certified mail
- Get signed delivery proof of a cancellation
- Stop a gym membership before its renewal date

## Price

- no price printed, no free plan (read 2026-10-29 on https://postbye.com/cancel/category/insurance)

## For developers

- MCP server: com.postbye/postbye (namespace; open on 2026-10-29, 4 tools)
- Read 2026-10-29

## MCP server, measured daily

Server: https://postbye.com/mcp, checked every day since 2026-10-29 (4 checks).

- Answered: measuring, 4 daily checks so far
- Median first answer: 365 ms
- Sign-in: none
- Context its tool definitions take: about 565 tokens (4 tools)
- Tool definitions: A, 100/100
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: none
- Read 2026-10-29

---

Source: INITE Atlas, https://inite.ai/en/atlas/postbye.com. JSON: https://inite.ai/api/atlas/postbye.com. MCP: https://inite.ai/api/mcp (atlas_lookup).