Send a fax from an app, an agent, or a browser.

See the exact price, pay once, get a delivery receipt. No account and no subscription for a one-off fax.

Send a fax Read the docs

Choose a path

Browser

Drop a PDF, enter a number, pay, done. Nothing to sign up for.

Open Send →

Agents

No account. No API key. Quote free, then pay the HTTP 402 on /pay (Machine Payments / MPP). Agents discover the endpoint at /openapi.json.

claude mcp add --transport http agent-fax https://app.ohfax.com/mcp
MPP docs →

API

Create a key at Account after Google sign-in. Prepaid balance; quote free, send charged.

Open Account → API docs →

Pricing

$0.99 + $0.25 / page

Pay per fax. No subscription, no monthly minimum. The full price is shown before you pay, and it is the only amount charged.

DocumentTotal
1 page$1.24
3 pages$1.74
5 pages$2.24
10 pages$3.49
30 pages (maximum)$8.49

Full details in docs — US/CA · PDF · 10 MB / 30 pages · USD.

What you can count on

Delivery in minutes Normally transmitted within a few minutes of payment. Track progress and get a receipt.
Refund if undeliverable Busy line, no answer, or not a fax — full refund and a clear reason.
Docs deleted in 24h Document bytes are removed after a final state. Transaction metadata stays; contents do not.
Not for protected health information. This service does not claim HIPAA compliance. Limits & acceptable use