Oh Fax vs WiseFax: price, account, and agent support
An honest comparison of Oh Fax and WiseFax for sending a fax in the US or Canada.
Oh Fax: $2.00 per fax by card for up to 100 pages. No subscription, no fax number, and no account needed for card or USDC payments.
WiseFax pricing
Pay as you go with fax tokens at $1.00 each, usually 1 token per page for domestic faxes. A fax number subscription costs $8.00/month and includes 300 received pages and 10 tokens (WiseFax pricing). The pricing page says you sign up to buy tokens.
Price per fax (US/Canada, outbound)
| Pages | WiseFax | Oh Fax |
|---|---|---|
| 1 page | $1.00 | $2.00 by card |
| 3 pages | $3.00 | $2.00 by card |
| 10 pages | $10.00 | $2.00 by card |
Oh Fax prices come from our pricing page.
At a glance
| WiseFax | Oh Fax | |
|---|---|---|
| Account required | Yes, you sign up to buy tokens. | No for card or USDC payments. An API key with a prepaid balance is optional. |
| API | No public API on the pricing page. | REST API at app.ohfax.com/api/v1 |
| AI agent / MCP | None published. | Remote MCP at https://app.ohfax.com/mcp. Paid MPP requests need no account. |
| Coverage | See WiseFax | US and Canada only, up to 100 pages per fax. Outbound only. |
When WiseFax is better
- You need to fax outside the US and Canada. WiseFax covers many countries.
- You want a cheap number to receive faxes. Oh Fax only sends.
- You send one-page faxes by card. One WiseFax token ($1.00) costs less than our $2.00 card price; from 2 pages up, Oh Fax by card costs the same or less.
When Oh Fax is better
- You want an AI agent (Claude, ChatGPT, Cursor, Codex) to send the fax without signing up or keeping a subscription.
- You send faxes occasionally and want to pay per fax.
- You want an exact quote before you pay, and an automatic refund if the fax can't be delivered.
Switch in a minute
Add https://app.ohfax.com/mcp to your agent as an MCP server, or open ohfax.com and upload a PDF. See the MCP setup guide.
Sources
The competitor prices above are taken from each competitor's own published pages. Check them before you rely on them, because they can change.