Telnyx

Authorizations

Authorization

string

header

required

Bearer authentication header of the form Bearer <token>, where <token> is your auth token.

Headers

telnyx-timestamp

integer<int64>

required

Unix timestamp (seconds since epoch) of when the webhook was sent - compatible with webhook-timestamp Unix timestamp for replay attack prevention

telnyx-signature-ed25519

string

required

Base64 encoded Ed25519 signature for webhook verification - compatible with webhook-signature Ed25519 signature of timestamp|payload for verification

Body

application/json

data

object

Show child attributes

data.record_type

enum<string>

Identifies the type of the resource.

Available options:

event

Example:

"event"

data.event_type

enum<string>

The type of event being delivered.

Available options:

call.refer.failed

Example:

"call.refer.failed"

data.id

string<uuid>

Identifies the type of resource.

Example:

"0ccc7b54-4df3-4bca-a65a-3da1ecc777f0"

data.occurred_at

string<date-time>

ISO 8601 datetime of when the event occurred.

Example:

"2018-02-02T22:25:27.521992Z"

data.payload

object

Show child attributes

data.payload.call_control_id

string

Unique ID for controlling the call.

Example:

"v2:OycMASgvIjsGIAVEx8x3n9rYeKnUJx6a3V8VGhs5futnr17KZhujZA"

data.payload.call_leg_id

string

ID that is unique to the call and can be used to correlate webhook events.

Example:

"428c31b6-7af4-4bcb-b7f5-5013ef9657c1"

data.payload.call_session_id

string

ID that is unique to the call session and can be used to correlate webhook events. Call session is a group of related call legs that logically belong to the same phone call, e.g. an inbound and outbound leg of a transferred call.

Example:

"428c31b6-abf3-3bc1-b7f4-5013ef9657c1"

data.payload.connection_id

string

Call Control App ID (formerly Telnyx connection ID) used in the call.

Example:

"7267xxxxxxxxxxxxxx"

data.payload.client_state

string

State received from a command.

Example:

"aGF2ZSBhIG5pY2UgZGF5ID1d"

data.payload.from

string

Number or SIP URI placing the call.

Example:

"+35319605860"

data.payload.sip_notify_response

integer

SIP NOTIFY event status for tracking the REFER attempt.

Example:

603

data.payload.to

string

Destination number or SIP URI of the call.

Example:

"+13129457420"

Example:

{
  "record_type": "event",
  "event_type": "call.refer.failed",
  "id": "fbeb70e0-54eb-4e26-8d19-56b43e66f754",
  "occurred_at": "2020-03-30T13:29:42.130013Z",
  "payload": {
    "call_control_id": "v2:OycMASgvIjsGIAVEx8x3n9rYeKnUJx6a3V8VGhs5futnr17KZhujZA",
    "call_leg_id": "817f7de8-728a-11ea-9ce6-02420a0f8969",
    "call_session_id": "817f8c2a-728a-11ea-9cbe-02420a0f8969",
    "client_state": "aGF2ZSBhIG5pY2UgZGF5ID1d",
    "connection_id": "1289082222292239760",
    "from": "+35319605860",
    "sip_notify_response": 603,
    "to": "+13129457420"
  }
}

Response

200

The server must return an HTTP 200, otherwise we will reattempt delivery at the failover webhook URL.

OAuth Discovery

IP Addresses

IP Ranges

SIM Cards

Addresses

Advanced Number Orders

Assistants

Audio

Chat

Clusters

Conversations

Embeddings

Fine Tuning

Integrations

MCP Servers

Audit Logs

Authentication Providers

Phone Number Search

Billing

Billing Groups

Brands

SIM Card Actions

Bundles

User Bundles

Call Control Applications

Debugging

Call Commands

Call Information

Campaign

Voice Channels

API Reference

Phone Number Orders

Conference Commands

Connections

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Credential Connections

Call Recordings

Customer Service Record

Detail Records

Dialogflow Integration

Documents

Dynamic Emergency Addresses

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Enum

External Connections

Programmable Fax Applications

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FQDN Connections

FQDNs

Global IPs

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IPs

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Coverage

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