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Telnyx FQDN Connections API

FQDN connection operations

Telnyx FQDN Connections API is one of 168 APIs that Telnyx publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include FQDN Connections. The published artifact set on APIs.io includes an OpenAPI specification and API documentation.

This API exposes 5 operations across 2 paths, and defines 25 schemas. It is described by OpenAPI 3.1.0, at version 2.0.0.

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

5 operations 2 paths 25 schemas 1 DELETE2 GET1 PATCH1 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.1.0
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
Resource Areas
1

Authentication & Security 6

Telnyx FQDN Connections 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 5

Across 2 paths, the API surfaces 5 operations — 1 DELETE, 2 GET, 1 PATCH, 1 POST. Each is listed below with its method, path, parameters, and response codes.

FQDN Connections 5

FQDN connection operations

GET
/fqdn_connections
List FQDN connections
ListFqdnConnections 3 params → 200400401403404
POST
/fqdn_connections
Create an FQDN connection
CreateFqdnConnection body → 201401403404422
DELETE
/fqdn_connections/{id}
Delete an FQDN connection
DeleteFqdnConnection 1 param → 200401403404422
GET
/fqdn_connections/{id}
Retrieve an FQDN connection
RetrieveFqdnConnection 1 param → 200401403404422
PATCH
/fqdn_connections/{id}
Update an FQDN connection
UpdateFqdnConnection 1 param body → 200401403404422

Schemas 25

The contract defines 25 schemas that model the data the API accepts and returns. The most detailed are FqdnConnection (40 properties), CreateFqdnConnectionRequest (24 properties), UpdateFqdnConnectionRequest (23 properties), InboundFqdn (18 properties). Each schema is shown below with its type and property counts.

FqdnConnectionTransportProtocol
string
One of UDP, TLS, or TCP. Applies only to connections with IP authentication or FQDN authentication.
UpdateFqdnConnectionRequest
object
23 properties
DtmfType
string
Sets the type of DTMF digits sent from Telnyx to this Connection. Note that DTMF digits sent to Telnyx will be accepted in all formats.
connections_PaginationMeta
object
4 properties
EncryptedMedia
stringnull
Enable use of SRTP for encryption. Cannot be set if the transportportocol is TLS.
OutboundFqdn
object
15 properties
ErrorResponse
object
1 property
ConnectionNoiseSuppression
string
Controls when noise suppression is applied to calls. When set to 'inbound', noise suppression is applied to incoming audio. When set to 'outbound', it's applie…
ConnectionAndroidPushCredentialId
stringnull
The uuid of the push credential for Android
WebhookEventUrl
string
The URL where webhooks related to this connection will be sent. Must include a scheme, such as 'https'.
FqdnConnection
object
40 properties 1 required
WebhookApiVersion
string
Determines which webhook format will be used, Telnyx API v1 or v2.
AnchorsiteOverride
string
Latency directs Telnyx to route media through the site with the lowest round-trip time to the user's connection. Telnyx calculates this time using ICMP ping me…
UpdatedAt
string
ISO 8601 formatted date indicating when the resource was updated.
ConnectionIosPushCredentialId
stringnull
The uuid of the push credential for Ios
CreatedAt
string
ISO 8601 formatted date indicating when the resource was created.
CreateFqdnConnectionRequest
object
24 properties 1 required
ConnectionJitterBuffer
object
Configuration options for Jitter Buffer. Enables Jitter Buffer for RTP streams of SIP Trunking calls. The feature is off unless enabled. You may define min and…
3 properties
WebhookEventFailoverUrl
stringnull
The failover URL where webhooks related to this connection will be sent if sending to the primary URL fails. Must include a scheme, such as 'https'.
ConnectionNoiseSuppressionDetails
object
Configuration options for noise suppression. These settings are stored regardless of the noisesuppression value, but only take effect when noisesuppression is…
2 properties
connections_OutboundVoiceProfileId
string
Identifies the associated outbound voice profile.
ConnectionRtcpSettings
object
3 properties
InboundFqdn
object
18 properties
ConnectionName
string
A user-assigned name to help manage the connection.
WebhookTimeoutSecs
integernull
Specifies how many seconds to wait before timing out a webhook.

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

telnyx-fqdn-connections-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