# SendLetter (sendletter.eu)

Prints and posts letters you write or upload online, with optional registered mail and an API for batch sending.

- Atlas card: https://inite.ai/en/atlas/sendletter.eu
- Site: https://sendletter.eu
- For: people and businesses sending formal or personal letters by post without visiting a post office
- Categories: marketing
- Use 0/100 · alive 100/100

## Used for

- send cancellations and objections to offices or providers
- send registered letters with proof of posting for deadlines
- send letters and invoices from business software via API

## Price

- no price printed (read 2026-10-26 on https://sendletter.eu/en/pricing)

## For developers

- API docs: https://sendletter.eu/en/developers
- MCP server: eu.sendletter/sendletter (namespace; auth on 2026-10-26)
- Read 2026-10-26

## MCP server, measured daily

Server: https://sendletter.eu/api/mcp, checked every day since 2026-10-26 (3 checks).

- Answered: measuring, 3 daily checks so far
- Median first answer: 231 ms
- Sign-in: OAuth (the client signs the user in)
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: none
- Read 2026-10-26

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