Tool profile
Telnyx Fax: cost, fit and limits
Telnyx Fax is a programmable fax API made by Telnyx LLC of Austin, Texas that sends and receives faxes over the same phone numbers as its voice products, billed per page with no monthly platform fee.
What to know first
Telnyx Fax bills $0.007 per page in either direction with no monthly fee and no platform fee, plus SIP trunking usage for transmission. Carrier passthrough and taxes vary by destination, and volume tiers are quoted. The pricing page shows a $70.00 monthly example for 10,000 pages and offers machine-readable prices at a public endpoint. The fax pages name no AI feature, so it is a transmission service.
Telnyx Fax at a glance
| Maker | Telnyx LLC, United States |
|---|---|
| Free plan | No |
| Entry price | $0.007 per page |
| API access | Yes |
| Category | Best AI Online Fax Services in 2026, rank 6 of 13 |
| Website | telnyx.com/pricing/fax |
Who Telnyx Fax is best for
Developers who already use Telnyx
Faxes use the same phone numbers as other Telnyx products, so a team with voice or messaging on Telnyx adds fax without a new vendor relationship.
High-volume automated senders
At $0.007 per page with no seat fee, a workflow that sends many pages a month has a transparent cost that scales linearly.
Finance teams that audit invoices
Each line on the invoice is billed separately, with nothing bundled into another rate, which helps a team match usage to cost.
Telnyx Fax plans and pricing
| Plan | Price | What it includes |
|---|---|---|
| Pay as you go | $0.007 per page | Send or receive a fax via API, plus SIP trunking usage for transmission. Billing is per page in either direction, with no monthly fee shown on the pricing page. |
| Volume rate | Custom quote | Volume tiers requested through the Get volume rate button. Volume tiers are available through a Get volume rate button, with no published thresholds or discounted prices. |
Checked November 2026.
What Telnyx Fax does
- Fax API
- Programmable fax over an API with a vendor claim of five minutes to a first call. No GUI inbox appears on the pages we read, so staff need an interface built on top.
- Same numbers as voice
- Fax runs over the same phone numbers as other Telnyx products, which simplifies number management for teams that already hold a pool. A team that already runs voice or messaging on Telnyx does not need a separate number pool for fax.
- Public pricing endpoint
- Prices are available in machine-readable form at a public endpoint, so a finance script can read current rates rather than scraping a page. That suits a finance team that wants to check the current fax rate automatically each month.
- No monthly platform fee
- The pricing page shows no monthly fee and no platform fee, only per-page charges and SIP trunking usage, so an idle account costs nothing. A small team that faxes rarely can keep an account open without any recurring charge.
- Separate invoice lines
- Each line on the invoice is billed separately and nothing is bundled into another rate, which makes reconciliation simple for a usage-heavy account. That layout helps when a finance team audits fax cost separately from voice or messaging.
How Telnyx Fax handles your data
The Telnyx privacy policy names Telnyx LLC with an Austin, Texas address, and the site footer names ISO, PCI, HIPAA, GDPR and SOC 2 Type II. The fax pages we read do not say how long fax content is stored, where it is hosted or whether customer data trains AI models, and they name no AI feature for fax. A healthcare or legal buyer should ask which of the footer attestations cover the fax product and request a business associate agreement in writing.
Where Telnyx Fax falls short in practice
- API product, not an inbox. The fax pages describe an API. A team that wants a portal, shared inbox or print driver has to build one or pick a service that includes it.
- Carrier passthrough and taxes. The pricing page says carrier passthrough and taxes vary by destination, so the $0.007 figure is a floor, not a final rate for every route.
- Volume rates are quote only. Volume tiers need a request through a button, with no published thresholds, so large senders cannot plan without contacting sales. Large senders must contact Telnyx to learn the discount, which delays budgeting for a big migration.
Alternatives to Telnyx Fax
Telnyx Fax: common questions
How much does Telnyx Fax cost?
Telnyx Fax costs $0.007 per page to send or receive, with no monthly fee and no platform fee. SIP trunking usage for transmission is billed separately, and carrier passthrough and taxes vary by destination. The pricing page gives a $70.00 example for 10,000 pages.
Is Telnyx Fax a portal or an API?
The pages we read describe a programmable fax API. They show no portal, shared inbox or print driver for fax. A team without developers should consider a service that includes an app, or budget time to build the interface. Staff then use that interface.
Which certifications does Telnyx name?
The site footer names ISO, PCI, HIPAA, GDPR and SOC 2 Type II. The fax pages we read do not say which of those cover the fax product, so ask Telnyx to confirm scope before sending regulated documents. Scope matters for audits.
Does Telnyx Fax use AI?
The fax pages we read name no AI feature. Telnyx sells other products with AI elsewhere on the site, but those are separate from fax. If you need AI extraction from received faxes, compare Documo, WestFax or Fax.Plus. Fax pricing is separate from those products.
Can I get volume pricing on Telnyx Fax?
Yes, through a Get volume rate button on the pricing page. No thresholds or discounted rates are printed on the pages we read, so request a quote with your expected monthly pages and destinations before you plan a budget. A volume quote helps for big senders.