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Telnyx

Telnyx Callbacks API

Callbacks

Documentation Provider Profile APIs.io OpenAPI GitHub

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

Tagged areas include Callbacks. The published artifact set on APIs.io includes an OpenAPI specification.

This API exposes 0 operations across 0 paths, and defines 144 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.

0 operations 0 paths 144 schemas

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

Authentication & Security 6

Telnyx Callbacks 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

Schemas 144

The contract defines 144 schemas that model the data the API accepts and returns. The most detailed are OutboundMessagePayload (29 properties), InboundMessagePayload (27 properties), NumberOrderWithPhoneNumbers (13 properties), PhoneNumber (11 properties). Each schema is shown below with its type and property counts.

Transcription
object
5 properties
ConferenceFloorChangedEvent
object
4 properties
CallForkStarted
object
5 properties
CallPlaybackStarted
object
5 properties
callConversationInsightsGeneratedEvent
object
1 property
ConferenceParticipantSpeakEnded
object
4 properties
CallDeepfakeDetectionErrorEvent
object
1 property
FaxMediaProcessed
object
2 properties
ConferenceSpeakEnded
object
4 properties
CallSpeakStarted
object
5 properties
ConferenceParticipantSpeakStartedEvent
object
1 property
CallDeepfakeDetectionError
object
5 properties
CallStreamingFailedEvent
object
1 property
CallStreamingFailed
object
5 properties
CallReferFailed
object
5 properties
CallGatherEndedEvent
object
1 property
OutboundMessage
object
5 properties
CallSiprecFailedEvent
object
1 property
To
string
The phone number, in E.164 format, the fax will be sent to or SIP URI
ConferenceSpeakEndedEvent
object
1 property
CallSiprecStartedEvent
object
1 property
HostedNumberOrder
object
5 properties
CallSiprecStopped
object
5 properties
CallReferFailedEvent
object
1 property
callConversationInsightsGenerated
object
5 properties
InboundMessagePayload
object
27 properties
ConferenceRecordingSavedEvent
object
1 property
callConversationEnded
object
6 properties
ConferenceEnded
object
4 properties
ConferenceParticipantJoined
object
5 properties
messaging_Error
object
5 properties 2 required
CallMachineGreetingEnded
object
5 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…
ConferenceParticipantPlaybackStarted
object
4 properties
CallReferStarted
object
5 properties
CallAIGatherMessageHistoryUpdatedEvent
object
1 property
CallForkStopped
object
5 properties
CallRecordingSaved
object
5 properties
TranscriptionEvent
object
1 property
InboundMessageEvent
object
1 property
CallStreamingStopped
object
5 properties
ConferenceParticipantPlaybackStartedEvent
object
1 property
CallMachinePremiumGreetingEndedEvent
object
1 property
CallDtmfReceived
object
5 properties
Id
string
Identifies the type of resource.
ConferenceCreatedEvent
object
1 property
CallBridged
object
5 properties
ConferenceParticipantLeft
object
5 properties
CallAIGatherEnded
object
5 properties
ConferenceCreated
object
4 properties
CallMachineDetectionEnded
object
5 properties
CallPlaybackEnded
object
5 properties
HostedNumberOrderEvent
object
1 property
ConferenceSpeakStarted
object
4 properties
CallAIGatherMessageHistoryUpdated
object
5 properties
From
string
The phone number, in E.164 format, the fax will be sent from.
CallAnsweredEvent
object
1 property
FaxSendingStarted
object
2 properties
CallAIGatherEndedEvent
object
1 property
CallPlaybackStartedEvent
object
1 property
CallReferCompleted
object
5 properties
ConferenceParticipantSpeakEndedEvent
object
1 property
UserId
string
Identifier of the user to whom the fax belongs
CallMachinePremiumGreetingEnded
object
5 properties
NumberOrderWithPhoneNumbers
object
13 properties
ConferenceRecordingSaved
object
4 properties
ConferenceParticipantLeftEvent
object
1 property
callRecordingErrorEvent
object
1 property
callRecordingTranscriptionSaved
object
5 properties
ConferenceParticipantPlaybackEndedEvent
object
1 property
CallCostPart
object
5 properties
callConversationEndedEvent
object
1 property
ReplacedLinkClick
object
5 properties
PhoneNumber
object
11 properties
CallRecordingSavedEvent
object
1 property
CallAIGatherPartialResults
object
5 properties
CallSiprecStoppedEvent
object
1 property
CallHangupEvent
object
1 property
FaxQueued
object
2 properties
CallDeepfakeDetectionResultEvent
object
1 property
ConferenceParticipantJoinedEvent
object
1 property
CallAnswered
object
5 properties
CallMachineGreetingEndedEvent
object
1 property
ConferencePlaybackEndedEvent
object
1 property
ConferencePlaybackEnded
object
4 properties
CallInitiatedEvent
object
1 property
FaxFailed
object
2 properties
callRecordingTranscriptionSavedEvent
object
1 property
CallEnqueuedEvent
object
1 property
CallReferStartedEvent
object
1 property
FaxId
string
Identifies the fax.
OutboundMessageEvent
object
2 properties
OutboundMessagePayload
object
29 properties
CallSpeakEndedEvent
object
1 property
CallHoldEvent
object
1 property
CallLeftQueue
object
5 properties
CallSpeakEnded
object
5 properties
CampaignStatusUpdateEvent
object
8 properties
ConferenceParticipantSpeakStarted
object
4 properties
CallInitiated
object
5 properties
FaxDelivered
object
2 properties
CallCostEvent
object
1 property
Direction
string
The direction of the fax.
SubNumberOrderRegulatoryRequirementWithValue
object
4 properties
CallEnqueued
object
5 properties
CallStreamingStoppedEvent
object
1 property
CallSiprecFailed
object
5 properties
ConferencePlaybackStartedEvent
object
1 property
CallSiprecStarted
object
5 properties
CallDtmfReceivedEvent
object
1 property
CustomSipHeader
object
2 properties 2 required
ConferenceSpeakStartedEvent
object
1 property
ConferenceEndedEvent
object
1 property
CallLeftQueueEvent
object
1 property
CallAIGatherPartialResultsEvent
object
1 property
CallDeepfakeDetectionResult
object
5 properties
CallHold
object
5 properties
HostedNumberOrderEventPayload
object
Payload delivered with every messaginghostednumbersorders. event. approvaldeadline and decision are meaningful only for internaltransfer events.
7 properties
ReplacedLinkClickEvent
object
1 property
SipHeader
object
2 properties 2 required
CallUnhold
object
5 properties
CallStreamingStartedEvent
object
1 property
CallUnholdEvent
object
1 property
InboundMessage
object
5 properties
ConferenceParticipantPlaybackEnded
object
4 properties
CallMachinePremiumDetectionEndedEvent
object
1 property
OriginalMediaUrl
string
The original URL to the PDF used for the fax's media. If medianame was supplied, this is omitted
CallMachineDetectionEndedEvent
object
1 property
ConferencePlaybackStarted
object
4 properties
programmable-fax_RecordType
string
Identifies the type of the resource.
CallBridgedEvent
object
1 property
CallReferCompletedEvent
object
1 property
CallPlaybackEndedEvent
object
1 property
CallCost
object
5 properties
CallMachinePremiumDetectionEnded
object
5 properties
callRecordingError
object
5 properties
CallSpeakStartedEvent
object
1 property
CallHangup
object
5 properties
ConnectionId
string
The ID of the connection used to send the fax.
CallStreamingStarted
object
5 properties
NumberOrderWebhookEvent
object
2 properties 2 required
CallForkStartedEvent
object
1 property
CallGatherEnded
object
5 properties
CallForkStoppedEvent
object
1 property

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

telnyx-callbacks-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
#Callbacks
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API Details
ID
telnyx:telnyx-callbacks-api
Base URL
https://api.telnyx.com/v2
Docs
https://developers.telnyx.com/api
Provider
Telnyx
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This is an independent, third-party profile of Telnyx Callbacks 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.

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