Fax for Agents
Fax for Agents provides a modern fax API and a hosted Multi-Channel Platform (MCP) server designed for AI agents, enabling them to send and receive faxes programmatically within defined permissions and budgets. Built by JSB Holdings LLC, the service offers SDKs, webhooks, sandbox testing, and comprehensive documentation to integrate fax capabilities into AI-driven workflows worldwide.
Fax for Agents publishes 21 API contracts indexed on the APIs.io network, including Admin API, Agents API, Approvals API, and 18 more. Tagged areas include Fax, MCP, Artificial Intelligence, Communications, and Software-as-a-Service.
The Fax for Agents catalog on APIs.io includes 1 JSON-LD context and 1 Spectral governance ruleset.
Fax for Agents’ developer surface includes CLI, changelog, sandbox, authentication, documentation, API reference, getting-started guide, and 35 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 21
Individual APIs this provider publishes, each with its own machine-readable definition.
Fax for Agents Admin API
The admin API from Fax for Agents — 29 operation(s) for admin.
Fax for Agents Agents API
The agents API from Fax for Agents — 4 operation(s) for agents.
Fax for Agents Approvals API
The approvals API from Fax for Agents — 5 operation(s) for approvals.
Fax for Agents Auth API
The auth API from Fax for Agents — 18 operation(s) for auth.
Fax for Agents Billing API
The billing API from Fax for Agents — 18 operation(s) for billing.
Fax for Agents Documents API
The documents API from Fax for Agents — 11 operation(s) for documents.
Fax for Agents Events API
The events API from Fax for Agents — 1 operation(s) for events.
Fax for Agents Extractions API
The extractions API from Fax for Agents — 9 operation(s) for extractions.
Fax for Agents Faxes API
The faxes API from Fax for Agents — 6 operation(s) for faxes.
Fax for Agents Identity API
The identity API from Fax for Agents — 4 operation(s) for identity.
Fax for Agents Inbox API
The inbox API from Fax for Agents — 4 operation(s) for inbox.
Fax for Agents Members API
The members API from Fax for Agents — 4 operation(s) for members.
Fax for Agents Numbers API
The numbers API from Fax for Agents — 12 operation(s) for numbers.
Fax for Agents OAuth API
The oauth API from Fax for Agents — 3 operation(s) for oauth.
Fax for Agents One Time Sends API
The one-time-sends API from Fax for Agents — 1 operation(s) for one-time-sends.
Fax for Agents Organizations API
The organizations API from Fax for Agents — 4 operation(s) for organizations.
Fax for Agents Platform API
The platform API from Fax for Agents — 2 operation(s) for platform.
Fax for Agents Policies API
The policies API from Fax for Agents — 5 operation(s) for policies.
Fax for Agents Quotes API
The quotes API from Fax for Agents — 2 operation(s) for quotes.
Fax for Agents Sandbox API
The sandbox API from Fax for Agents — 3 operation(s) for sandbox.
Fax for Agents Webhooks API
The webhooks API from Fax for Agents — 10 operation(s) for webhooks.
Scroll for all 21
Agent Skills 1
Packaged agent skills for driving this provider's APIs from an AI assistant.
upload-document
AGENT SKILLPricing Plans 1
Published pricing tiers and plan structures.
Rate Limits 1
Documented rate limits and quota policies.
Faxforagents Rate Limits
RATE LIMITSSemantic Vocabularies 1
JSON-LD contexts and semantic vocabularies used across these APIs.
Faxforagents Context
JSON-LDSpectral Rules 1
Spectral governance rulesets for linting and validating these APIs.
Fax for Agents API Rules
SPECTRALJSON Schema 6
Standalone JSON Schema definitions for this provider's data models.
AnalyticsOrganization
JSON SCHEMAExtraction
JSON SCHEMAFaxJob
JSON SCHEMAInboxItemDetail
JSON SCHEMANumber
JSON SCHEMAQuote
JSON SCHEMASecurity Posture 4
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Scopes 1
OAuth scopes governing access to this provider's APIs.
Agentic Access 1
Recommended x-agentic-access execution contracts for AI agents.
Resources
Get Started 4
Portal, sign-up, and the first successful call
Documentation 2
Reference material describing how the API behaves
Agent Surfaces 4
MCP servers, agent skills, and machine-readable catalogs
Design & Contract 9
Pagination, idempotency, versioning, errors, and events
Scroll for all 9
Build 4
SDKs, sample code, and the tooling you integrate with
Access & Security 7
Authentication, authorization, and security posture
Scroll for all 7
Operate 4
Status, limits, changes, and where to get help
Commercial 4
Pricing, plans, and the legal terms of use
Company 2
The organization behind the API
Other 2
Properties that don't map to a standard resource type
Source (apis.yml)
Fax for Agents API — frequently asked questions
Does Fax for Agents have an API?
Yes. APIs.io lists 21 APIs from Fax for Agents, including Fax for Agents Admin API, Fax for Agents Agents API and Fax for Agents Approvals API, and 18 more.
Is there an OpenAPI specification for the Fax for Agents API?
Yes. APIs.io indexes 21 OpenAPI specifications for Fax for Agents, each linked for download from this page.
How do I authenticate with the Fax for Agents API?
Fax for Agents uses bearer-token authentication (2 schemes). The details are profiled on APIs.io as Faxforagents Authentication.
How much does the Fax for Agents API cost?
APIs.io lists 1 pricing plan for Fax for Agents, with each plan's price, limits and inclusions under Pricing Plans on this page.
Is the Fax for Agents API ready for AI agents?
Fax for Agents has a Kin Score of 66.3 out of 100 (strong) and an Agent Readiness score of 34.5 (agent-ready), scored by API Evangelist on 2026-11-01.
Work with this as data
Every provider here is available over the APIs.io API and to AI agents over MCP.