# Oh Fax (ohfax.com)

Sends a PDF as a fax to a US or Canadian number, paid per fax, with delivery tracking and a refund if undeliverable.

- Atlas card: https://inite.ai/en/atlas/ohfax.com
- Site: https://ohfax.com
- For: People and AI agents sending one-off PDF faxes to US or Canadian fax numbers without an account.
- Categories: documents
- Use 0/100 · alive 100/100

## Used for

- Send a PDF to a US or Canadian fax number
- Track delivery of a sent fax with a receipt
- Let an AI agent send faxes over HTTP

## Price

- from 0.02 USD/usage, no free plan (read 2026-10-25 on https://ohfax.com/pricing)

## For developers

- API docs: https://ohfax.com/docs/api
- MCP server: com.ohfax/ohfax (namespace; open on 2026-10-24, 4 tools)
- Read 2026-10-24

## MCP server, measured daily

Server: https://app.ohfax.com/mcp, checked every day since 2026-10-25 (3 checks).

- Answered: measuring, 3 daily checks so far
- Median first answer: 390 ms
- Sign-in: none
- Context its tool definitions take: about 517 tokens (4 tools)
- Tool definitions: A, 92/100
- Failing "params_described": 2 of 4 tools
- Warning "open_writes": send_fax
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: none
- Read 2026-10-24

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