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Telnyx Callbacks API

Callbacks

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

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.

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

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
Telnyx Addresses API
Telnyx Advanced Number Orders API
Telnyx Assistants API
Telnyx Audio API
Telnyx Audit Logs API
Telnyx Authentication Providers API
Telnyx AutoRechargePreferences API
Telnyx Billing API
Telnyx Billing Groups API
Telnyx Brands API
Telnyx Bucket SSL Certificate API
Where this information came from

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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