Documo
Documo (mFax) is a cloud fax and document delivery platform. The Documo REST API lets developers send and receive faxes, provision and manage fax numbers, subscribe to delivery events via webhooks, and manage account resources over a JSON/HTTPS interface secured with an API key.
Documo publishes 4 API contracts indexed on the APIs.io network, including Account API, Fax API, Numbers API, and 1 more. Tagged areas include Fax, Cloud Fax, Document Delivery, HIPAA, and Communications.
The Documo catalog on APIs.io includes 1 Spectral governance ruleset.
Documo’s developer surface includes authentication, documentation, engineering blog, and 8 more developer resources.
Kin Score
Standards implemented 1
Standards this provider implements or carries. De facto ones are profiled and measured by the API Commons; formal ones come from the standards directory and are linked by the provider's own tags. The evidence column says how each claim was established — not that it was made.
APIs 4
Individual APIs this provider publishes, each with its own machine-readable definition.
Documo Account API
Read account profile and settings.
Documo Fax API
Send, resend, retrieve, list, and download faxes.
Documo Numbers API
Search, provision, list, and release inbound fax numbers.
Documo Webhooks API
Manage webhook subscriptions for fax and number events.
Open Collections 5
Open, tool-agnostic API collections (OpenAPI-derived and Bruno).
Documo Account API
OPEN COLLECTIONDocumo Account Fax API
OPEN COLLECTIONDocumo Account Numbers API
OPEN COLLECTIONDocumo Account Webhooks API
OPEN COLLECTIONDocumo API
OPEN COLLECTIONDocumo API pricing
Not yet checked against Documo's own pricing page. Compiled by API Evangelist on 2026-06-21 from www.documo.com/pricing/; confirm before you rely on a figure.
| Plan | Price |
|---|---|
| Solo subscription | — |
| Professional subscription | — |
| Business subscription | — |
| Enterprise enterprise | — |
| Add-ons and Overage usage | — |
Plan details, limits and sources →
Rate limits
- Fax History / Reports: 8 per minute requests
- Send Fax: see provider documentation requests
- Numbers: see provider documentation requests
Compiled by API Evangelist, not yet checked against Documo's documentation. All 4 limits →
Pricing Plans 1
Published pricing tiers and plan structures.
Documo Plans Pricing
PLANSRate Limits 1
Documented rate limits and quota policies.
Documo Rate Limits
RATE LIMITSService Levels 1
Uptime the provider promises or reports, as SLA4OAI. Read from its own pages; APIs.io runs no monitors.
Documo
SLAFinOps 1
Cost, billing, and metering signals for API financial operations.
Documo Finops
FINOPSSpectral Rules 1
Spectral governance rulesets for linting and validating these APIs.
Documo API Rules
SPECTRALSecurity Posture 3
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Agentic Access 1
Recommended x-agentic-access execution contracts for AI agents.
Resources
Documentation 1
Reference material describing how the API behaves
Agent Surfaces 1
MCP servers, agent skills, and machine-readable catalogs
Access & Security 3
Authentication, authorization, and security posture
Operate 1
Status, limits, changes, and where to get help
Commercial 2
Pricing, plans, and the legal terms of use
Company 3
The organization behind the API
Source (apis.yml)
Documo API — frequently asked questions
Does Documo have an API?
Yes. APIs.io lists 4 APIs from Documo, including Documo Account API, Documo Fax API and Documo Numbers API, and 1 more.
Is there an OpenAPI specification for the Documo API?
Yes. APIs.io indexes 4 OpenAPI specifications for Documo, each linked for download from this page.
How do I authenticate with the Documo API?
Documo uses bearer-token authentication (http · 1 scheme). The details are profiled on APIs.io as Documo Authentication.
How much does the Documo API cost?
APIs.io lists 5 pricing plans for Documo, with each plan's price, limits and inclusions under Pricing on this page.
Is the Documo API ready for AI agents?
Documo has a Kin Score of 30.6 out of 100 (thin) and an Agent Readiness score of 20.7 (agent-aware), scored by API Evangelist on 2026-11-06.
Work with this as data
Every provider here is available over the APIs.io API and to AI agents over MCP.