# Cypher eSIM (cypheresim.com)

Sells prepaid mobile data eSIMs for travel in 180 countries, paid in crypto and managed through a Telegram bot.

- Atlas card: https://inite.ai/en/atlas/cypheresim.com
- Site: https://cypheresim.com
- For: Travelers wanting prepaid mobile data abroad without an account, ID or card, paying in crypto.
- Categories: lifestyle
- Use 0/100 · alive 100/100

## Used for

- buy a regional data plan for a multi-country trip
- activate a data plan on arrival abroad
- top up an existing eSIM by ICCID with crypto

## Price

- from 1.2 USD/one-time, no free plan (read 2026-10-23 on https://cypheresim.com/plans)

## For developers

- MCP server: com.cypheresim/esim (namespace; open on 2026-10-23, 9 tools)
- Read 2026-10-23

## MCP server, measured daily

Server: https://cypheresim.com/mcp, checked every day since 2026-10-23 (4 checks).

- Answered: measuring, 4 daily checks so far
- Median first answer: 958 ms
- Sign-in: none
- Context its tool definitions take: about 1661 tokens (9 tools)
- Tool definitions: A, 100/100
- Warning "open_writes": create_order, cancel_order, create_topup
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: none
- Read 2026-10-23

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