How AI is applied across API Evangelist and APIs.io. Read my AI disclosure →
API Evangelist API Evangelist
Discovery
Learnings
Guidance
Toolbox
Alignment
API Evangelist LLC
Discovery
Learnings
Guidance
Toolbox
Alignment
API Evangelist LLC

Need help?

Contact us
Telnyx

Telnyx Programmable Fax Commands API

Programmable fax command operations

Documentation Provider Profile APIs.io OpenAPI GitHub

Telnyx Programmable Fax Commands API is one of 169 APIs that Telnyx publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include Programmable Fax Commands. The published artifact set on APIs.io includes an OpenAPI specification and API documentation.

This API exposes 6 operations across 4 paths, and defines 18 schemas. It is described by OpenAPI 3.2.0, at version 2.0.0.

Requests are made against a single base URL, https://api.telnyx.com/v2.

6 operations 4 paths 18 schemas 1 DELETE2 GET3 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.2.0
API Version
2.0.0
Base URL
https://api.telnyx.com/v2
Authentication
HTTP Bearer, HTTP Bearer, OAuth 2.0, HTTP Bearer, HTTP Bearer, HTTP Bearer
Contact
support@telnyx.com
Resource Areas
1

Authentication & Security 6

Telnyx Programmable Fax Commands API declares 6 security schemes for authenticating requests. It accepts HTTP bearer tokens (bearerAuth). It accepts HTTP bearer tokens (branded-calling_bearerAuth). It supports OAuth 2.0 (oauthClientAuth) using the authorizationCode and clientCredentials flows, exposing 1 scope. It accepts HTTP bearer tokens (JWT) (outbound-voice-profiles_bearerAuth). It accepts HTTP bearer tokens (pronunciation-dicts_bearerAuth). It accepts HTTP bearer tokens (JWT) (stored-payment-transactions_bearerAuth). By default, every request must be authenticated.

  • branded-calling_bearerAuth — API key passed as a Bearer token in the Authorization header
  • oauthClientAuth — OAuth 2.0 authentication for Telnyx API and MCP integrations
  • pronunciation-dicts_bearerAuth — Telnyx API v2 key. Obtain from https://portal.telnyx.com

Paths & Operations 6

Across 4 paths, the API surfaces 6 operations — 1 DELETE, 2 GET, 3 POST. Each is listed below with its method, path, parameters, and response codes.

Programmable Fax Commands 6

Programmable fax command operations

GET
/faxes
View a list of faxes
ListFaxes 2 params → 200404default
POST
/faxes
Send a fax
SendFax body → 202422default
DELETE
/faxes/{id}
Delete a fax
DeleteFax 1 param → 204404default
GET
/faxes/{id}
View a fax
ViewFax 1 param → 200404default
POST
/faxes/{id}/actions/cancel
Cancel a fax
CancelFax 1 param → 202404422default
POST
/faxes/{id}/actions/refresh
Refresh a fax
RefreshFax 1 param → 200404default

Schemas 18

The contract defines 18 schemas that model the data the API accepts and returns. The most detailed are Fax (19 properties), SendFaxRequest (15 properties), SendFaxMultipartRequest (9 properties), programmable-fax_Error (5 properties). Each schema is shown below with its type and property counts.

To
string
The phone number, in E.164 format, the fax will be sent to or SIP URI
SendFaxMultipartRequest
object
9 properties 4 required
MediaUrl
string
The URL (or list of URLs) to the PDF used for the fax's media. mediaurl and medianame/contents can't be submitted together.
Id
string
Identifies the type of resource.
PaginationMeta
object
4 properties
StoreMedia
boolean
Should fax media be stored on temporary URL. It does not support medianame, they can't be submitted together.
SendFaxRequest
object
15 properties 3 required
From
string
The phone number, in E.164 format, the fax will be sent from.
T38Enabled
boolean
The flag to disable the T.38 protocol.
Direction
string
The direction of the fax.
StorePreview
boolean
Should fax preview be stored on temporary URL.
programmable-fax_Errors
object
1 property
programmable-fax_Error
object
5 properties 2 required
Fax
object
19 properties
MediaName
string
The medianame used for the fax's media. Must point to a file previously uploaded to api.telnyx.com/v2/media by the same user/organization. medianame and mediau…
Monochrome
boolean
The flag to enable monochrome, true black and white fax results.
ConnectionId
string
The ID of the connection used to send the fax.
Quality
string
The quality of the fax. The ultra settings provides the highest quality available, but also present longer fax processing times. ultralight is best suited for…

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

telnyx-programmable-fax-commands-api-openapi.yml Raw ↑

Other APIs Telnyx publishes across the network.

Telnyx Access Tokens API
AE Profile APIs.io
Telnyx Addresses API
AE Profile APIs.io
Telnyx Advanced Number Orders API
AE Profile APIs.io
Telnyx Assistants API
AE Profile APIs.io
Telnyx Audio API
AE Profile APIs.io
Telnyx Audit Logs API
AE Profile APIs.io
Telnyx Authentication Providers API
AE Profile APIs.io
Telnyx AutoRechargePreferences API
AE Profile APIs.io
Telnyx Billing API
AE Profile APIs.io
Telnyx Billing Groups API
AE Profile APIs.io
Telnyx Brands API
AE Profile APIs.io
Telnyx Bucket SSL Certificate API
AE Profile APIs.io
#Programmable Fax Commands
← Back to T APIs
API Details
ID
telnyx:telnyx-programmable-fax-commands-api
Base URL
https://api.telnyx.com/v2
Docs
https://developers.telnyx.com/api
Provider
Telnyx
APIs.io →  GitHub →
Explore more
All APIs Providers APIs.io Network
Work with this as data

Every API here is available over the API and to AI agents over MCP. APIs is not yet its own endpoint on the v1 API. Reach this content through network search and the tag graph, or the MCP server below.

Installs https://mcp.apievangelist.com/mcp in Claude, Cursor, VS Code and the rest — one button, every client.

MCP tools for apis
4 tools reach this content
  • search_api_evangelistSearch every content type across the network at once.
  • find_relatedThe shared-tag relevance graph — what else covers this.
  • get_tagEverything one tag labels, across all content types.
  • guide_topicPRO — a curated bundle for a topic: area, guidance, rules, papers, stories, services.
All tools & prompts
Call it yourself
curl for this page
Search the network for this 
curl "https://api.apievangelist.com/v1/search?q=telnyx-programmable-fax-commands-api&limit=10"
Everything under a tag 
curl "https://api.apievangelist.com/v1/tags/telnyx-programmable-fax-commands-api"

Discovery needs no key. Full bodies and the synthesis endpoints are Pro.

Get an API key

Free tier, no email required. Sign in with whichever identity you already have.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have. Your account

Where this information came from

This is an independent, third-party profile of Telnyx Programmable Fax Commands API, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.

The Kin Score and Agent Readiness rating are independently calculated assessments of a company's public API artifacts, scored against a published rubric. They are not certifications, endorsements, security assessments, or audits.

Corrections, re-scores, and removal are free — no partnership or purchase required, and you do not need to justify the request. A removed company is recorded as unrated, never scored zero for having asked. Acknowledgement within one business day; removal within two.

info@apievangelist.com · Read the full data-sourcing policy →
On a security or compliance team? Put security in the subject line and you will get a person, not a form — we will tell you exactly which public URLs this profile was built from.