Phaxio
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Caller Name | Per Fax Rec'd · Sender information | $0.01, paid once |
| US & Canada faxing | Per Page · US & Canada · volume pricing shown for 50,000+ and 100,000+ pages per month | $0.07, paid once |
| International faxing | Per Page · International destinations · volume pricing shown for 50,000+ and 100,000+ pages per month | $0.10, paid once |
| Phone number | Per Month · US & Canada only (for now) | $2 a month |
As phaxio.com lists them, read 4 Oct 2026. The maker's own page has the final word.
Facts from Phaxio's own pages
- API formats
- The maker lists client libraries or examples for cURL, PHP, Node, Ruby, Java, Python, and .NET. · phaxio.com, 4 Oct 2026
- API limit
- The FAQ says accounts can make one API request per second and asks higher-volume users to contact support. · phaxio.com, 4 Oct 2026
- Callback retries
- If a callback URL is unreachable, Phaxio says it retries at increasing intervals through every six hours for three days, and callbacks can also be triggered manually from the web console. · phaxio.com, 4 Oct 2026
- Company
- The About page identifies Phaxio as built by Sinch and says it transmits over 26 million pages per month with 160 thousand active phone numbers. · phaxio.com, 4 Oct 2026
- Dashboard
- Phaxio's dashboard lets users manage faxes and provision phone numbers. · phaxio.com, 4 Oct 2026
- Document formats
- The FAQ lists DOCX, PDF, TIFF, JPG, TXT, HTML, and PNG as supported file types. · phaxio.com, 4 Oct 2026
- Fax reliability
- Features include batching and collision avoidance, cancel timeouts, no throttling, smart routing, and configurable retries. · phaxio.com, 4 Oct 2026
- HIPAA guidance
- The maker says HIPAA compliance requires steps including disabling document storage, enabling two-factor authentication, using HTTPS webhooks, and requesting a BAA. · phaxio.com, 4 Oct 2026
- Integrations
- Barcode data can be posted to an application, and outgoing faxes can include metadata such as order numbers, user IDs, or patient record numbers. · phaxio.com, 4 Oct 2026
- Product
- Phaxio provides an API for sending and receiving faxes through software applications. · phaxio.com, 4 Oct 2026
- Support
- The FAQ directs users with questions to [email protected]. · phaxio.com, 4 Oct 2026
- Transport security
- Phaxio states that its API enforces TLS 1.2. · phaxio.com, 4 Oct 2026
- Trial access
- Phaxio offers a free API test key for staging with unlimited API calls. · phaxio.com, 4 Oct 2026
Where Phaxio stands on Freedom251
- Fax APIs#16 of 26
- eFax Software#17 of 24