Fax API

Send faxes programmatically. Buy credit, get an API key, and start sending — no account or signup required.

$1.49 per fax · US & Canada · up to 25 pages · signed delivery callbacks.

Buy API credit

Minimum $5.00. Credit never expires.

curl -X POST https://api.ineedtosendafax.com/v1/faxes \
  -H "Authorization: Bearer ifx_live_..." \
  -F to=15551234567 \
  -F file=@document.pdf

Response:

{"id":"...","status":"queued",
 "price_cents":149,"balance_cents":851}

We'll email a link to issue a new key (the old one is disabled).