/telnyx-sip-go

name: telnyx-sip-go
description: >-
  Configure SIP trunking connections and outbound voice profiles. Use when
  connecting PBX systems or managing SIP infrastructure. This skill provides Go
  SDK examples.
metadata:
  author: telnyx
  product: sip
  language: go
  generated_by: telnyx-openapi-pipeline

<!-- Auto-generated from Telnyx OpenAPI specs. Do not edit. -->

Telnyx Sip - Go

Installation

go get github.com/team-telnyx/telnyx-go

Setup

import (
  "context"
  "fmt"
  "os"

  "github.com/team-telnyx/telnyx-go"
  "github.com/team-telnyx/telnyx-go/option"
)

client := telnyx.NewClient(
  option.WithAPIKey(os.Getenv("TELNYX_API_KEY")),
  option.WithPublicKey(os.Getenv("TELNYX_PUBLIC_KEY")), // Required for client.Webhooks.Unwrap (webhook verification)
)

All examples below assume `client` is already initialized as shown above.

Error Handling

All API calls can fail with network errors, rate limits (429), validation errors (422), or authentication errors (401). Always handle errors in production code:

import "errors"

result, err := client.Messages.Send(ctx, params)
if err != nil {
  var apiErr *telnyx.Error
  if errors.As(err, &apiErr) {
    switch apiErr.StatusCode {
    case 422:
      fmt.Println("Validation error — check required fields and formats")
    case 429:
      // Rate limited — wait, then retry the request (bounded exponential backoff)
      fmt.Println("Rate limited, retrying...")
    default:
      fmt.Printf("API error %d: %s\n", apiErr.StatusCode, apiErr.Error())
    }
  } else {
    fmt.Println("Network error — check connectivity and retry")
  }
  return err // Propagate: a failed request must never look like success to the caller
}

Common error codes: `401` invalid API key, `403` insufficient permissions, `404` resource not found, `422` validation error (check field formats), `429` rate limited (retry with exponential backoff).

Important Notes

• **Pagination:** Use `ListAutoPaging()` for automatic iteration: `iter := client.Resource.ListAutoPaging(ctx, params); for iter.Next() { item := iter.Current() }`.

List all Access IP Ranges

Retrieve a paginated list of access IP ranges configured on your account.

`GET /access_ip_ranges`

	page, err := client.AccessIPRanges.List(context.Background(), telnyx.AccessIPRangeListParams{})
	if err != nil {
		log.Fatal(err)
	}
	fmt.Printf("%+v\n", page)

Returns: `cidr_block` (string), `created_at` (date-time), `description` (string), `id` (string), `status` (enum: pending, added), `updated_at` (date-time), `user_id` (string)

Create new Access IP Range

Create a new access IP range on your account.

`POST /access_ip_ranges` — Required: `cidr_block`

Optional: `description` (string)

	accessIPRange, err := client.AccessIPRanges.New(context.Background(), telnyx.AccessIPRangeNewParams{
		CidrBlock: "203.0.113.0/24",
	})
	if err != nil {
		log.Fatal(err)
	}
	fmt.Printf("%+v\n", accessIPRange.ID)

Returns: `cidr_block` (string), `created_at` (date-time), `description` (string), `id` (string), `status` (enum: pending, added), `updated_at` (date-time), `user_id` (string)

Delete access IP ranges

Delete an access IP range from your account.

`DELETE /access_ip_ranges/{access_ip_range_id}`

	accessIPRange, err := client.AccessIPRanges.Delete(context.Background(), "access_ip_range_id")
	if err != nil {
		log.Fatal(err)
	}
	fmt.Printf("%+v\n", accessIPRange.ID)

Returns: `cidr_block` (string), `created_at` (date-time), `description` (string), `id` (string), `status` (enum: pending, added), `updated_at` (date-time), `user_id` (string)

List connections

Returns a list of your connections irrespective of type.

`GET /connections`

	page, err := client.Connections.List(context.Background(), telnyx.ConnectionListParams{})
	if err != nil {
		log.Fatal(err)
	}
	fmt.Printf("%+v\n", page)

Returns: `active` (boolean), `anchorsite_override` (enum: Latency, Chicago, IL, Ashburn, VA, San Jose, CA, Sydney, Australia, Amsterdam, Netherlands, London, UK, Toronto, Canada, Vancouver, Canada, Frankfurt, Germany), `connection_name` (string), `created_at` (string), `id` (string), `outbound_voice_profile_id` (string), `record_type` (string), `tags` (array[string]), `updated_at` (string), `webhook_api_version` (enum: 1, 2), `webhook_event_failover_url` (uri), `webhook_event_url` (uri)

Count connections

Returns the number of connections associated with the authenticated user, grouped by connection type, together with the connection limits that apply to the user. Forward-only connections are excluded from the counts.

`GET /connections/count`

	response, err := client.Connections.GetCount(context.Background())
	if err != nil {
		log.Fatal(err)
	}
	fmt.Printf("%+v\n", response.Data)

Returns: `counts` (object), `limits` (object), `record_type` (string)

Retrieve a connection

Retrieves the high-level details of an existing connection. To retrieve specific authentication information, use the endpoint for the specific connection type.

`GET /connections/{id}`

	connection, err := client.Connections.Get(context.Background(), "id")
	if err != nil {
		log.Fatal(err)
	}
	fmt.Printf("%+v\n", connection.Data)

Returns: `active` (boolean), `anchorsite_override` (enum: Latency, Chicago, IL, Ashburn, VA, San Jose, CA, Sydney, Australia, Amsterdam, Netherlands, London, UK, Toronto, Canada, Vancouver, Canada, Frankfurt, Germany), `connection_name` (string), `created_at` (string), `id` (string), `outbound_voice_profile_id` (string), `record_type` (string), `tags` (array[string]), `updated_at` (string), `webhook_api_version` (enum: 1, 2), `webhook_event_failover_url` (uri), `webhook_event_url` (uri)

List credential connections

Returns a list of your credential connections.

`GET /credential_connections`

	page, err := client.CredentialConnections.List(context.Background(), telnyx.CredentialConnectionListParams{})
	if err != nil