Documo Fax API vs SingleFax API

Documo Fax API

Figure	Documo Fax API	SingleFax API
Price from	$25/mo	$6.58/mo
Free plan	—	—
Free trial	Yes	—
Open source	—	—
Web	Yes	Yes
API	Yes	Yes
Plans published	4	4
Spec score · Fax APIs	8.3 (#6)	7.0 (#24)
Developer tools	Documo provides a sandbox environment for testing integrations, and the pricing page describes its APIs as REST with webhooks.	The maker provides an official npm CLI and copy-paste REST examples for curl, Node, Python, Go, and PHP.
Headquarters	919 N Market St, Suite 950, Wilmington, DE 19801, United States	The company lists its address as 30 N Gould St Ste R, Sheridan, WY 82801, USA.
Integrations	Documo lists EHR systems, email, SSO, storage, UCaaS, and workflow integrations, and supports APIs for custom integrations.	The separate MCP connection supports Cursor, Claude, Codex, ChatGPT, and VS Code using OAuth.
Security	Documo states that it is HIPAA compliant, has a BAA included, and is SOC 2 Type II audited across its platform, including API calls.	The maker's HIPAA page describes TLS 1.3 in transit, AES-256 at rest, isolated PHI storage, and automated media purge with an audit trail.
Support	Documo’s US-based support team is available by live chat, phone, and email from 9 a.m. to 6 p.m. EST, Monday through Friday.	The About page lists [email protected] as support and says the same mailbox handles product questions, partnerships, and abuse reports.

Documo Fax API has no write-up on Specifiction yet; its figures are above.

SingleFax API has no write-up on Specifiction yet; its figures are above.