Telnyx Messaging Go

---
name: telnyx-messaging-go
description: >-
  Send and receive SMS/MMS messages, manage messaging-enabled phone numbers, and
  handle opt-outs. Use when building messaging applications, implementing 2FA,
  or sending notifications. This skill provides Go SDK examples.
metadata:
  author: telnyx
  product: messaging
  language: go
---

# Telnyx Messaging - Go

## Installation

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

## Setup

```go
import (
  "context"
  "fmt"

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

client := telnyx.NewClient(
  option.WithAPIKey(os.Getenv("TELNYX_API_KEY")),
)
```

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

## Send a message

Send a message with a Phone Number, Alphanumeric Sender ID, Short Code or Number Pool.

`POST /messages` — Required: `to`

```go
response, err := client.Messages.Send(context.TODO(), telnyx.MessageSendParams{
  To: "+18445550001",
})
if err != nil {
  panic(err.Error())
}
fmt.Printf("%+v\n", response.Data)
```

## Retrieve a message

Note: This API endpoint can only retrieve messages that are no older than 10 days since their creation.

`GET /messages/{id}`

```go
message, err := client.Messages.Get(context.TODO(), "182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
if err != nil {
  panic(err.Error())
}
fmt.Printf("%+v\n", message.Data)
```

## Cancel a scheduled message

Cancel a scheduled message that has not yet been sent.

`DELETE /messages/{id}`

```go
response, err := client.Messages.CancelScheduled(context.TODO(), "182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
if err != nil {
  panic(err.Error())
}
fmt.Printf("%+v\n", response.ID)
```

## Send a Whatsapp message

`POST /messages/whatsapp` — Required: `from`, `to`, `whatsapp_message`

```go
response, err := client.Messages.SendWhatsapp(context.TODO(), telnyx.MessageSendWhatsappParams{
  From: "+13125551234",
  To: "+13125551234",
  WhatsappMessage: telnyx.MessageSendWhatsappParamsWhatsappMessage{

  },
})
if err != nil {
  panic(err.Error())
}
fmt.Printf("%+v\n", response.Data)
```

## Send a group MMS message

`POST /messages/group_mms` — Required: `from`, `to`

```go
response, err := client.Messages.SendGroupMms(context.TODO(), telnyx.MessageSendGroupMmsParams{
  From: "+13125551234",
  To: []string{"+18655551234", "+14155551234"},
})
if err != nil {
  panic(err.Error())
}
fmt.Printf("%+v\n", response.Data)
```

## Send a long code message

`POST /messages/long_code` — Required: `from`, `to`

```go
response, err := client.Messages.SendLongCode(context.TODO(), telnyx.MessageSendLongCodeParams{
  From: "+18445550001",
  To: "+13125550002",
})
if err != nil {
  panic(err.Error())
}
fmt.Printf("%+v\n", response.Data)
```

## Send a message using number pool

`POST /messages/number_pool` — Required: `to`, `messaging_profile_id`

```go
response, err := client.Messages.SendNumberPool(context.TODO(), telnyx.MessageSendNumberPoolParams{
  MessagingProfileID: "abc85f64-5717-4562-b3fc-2c9600000000",
  To: "+13125550002",
})
if err != nil {
  panic(err.Error())
}
fmt.Printf("%+v\n", response.Data)
```

## Schedule a message

Schedule a message with a Phone Number, Alphanumeric Sender ID, Short Code or Number Pool.

`POST /messages/schedule` — Required: `to`

```go
response, err := client.Messages.Schedule(context.TODO(), telnyx.MessageScheduleParams{
  To: "+18445550001",
})
if err != nil {
  panic(err.Error())
}
fmt.Printf("%+v\n", response.Data)
```

## Send a short code message

`POST /messages/short_code` — Required: `from`, `to`

```go
response, err := client.Messages.SendShortCode(context.TODO(), telnyx.MessageSendShortCodeParams{
  From: "+18445550001",
  To: "+18445550001",
})
if err != nil {
  panic(err.Error())
}
fmt.Printf("%+v\n", response.Data)
```

## List opt-outs

Retrieve a list of opt-out blocks.

`GET /messaging_optouts`

```go
page, err := client.MessagingOptouts.List(context.TODO(), telnyx.MessagingOptoutListParams{

})
if err != nil {
  panic(err.Error())
}
fmt.Printf("%+v\n", page)
```

## Retrieve a phone number with messaging settings

`GET /phone_numbers/{id}/messaging`

```go
messaging, err := client.PhoneNumbers.Messaging.Get(context.TODO(), "id")
if err != nil {
  panic(err.Error())
}
fmt.Printf("%+v\n", messaging.Data)
```

## Update the messaging profile and/or messaging product of a phone number

`PATCH /phone_numbers/{id}/messaging`

```go
messaging, err := client.PhoneNumbers.Messaging.Update(
  context.TODO(),
  "id",
  telnyx.PhoneNumberMessagingUpdateParams{

  },
)
if err != nil {
  panic(err.Error())
}
fmt.Printf("%+v\n", messaging.Data)
```

## List phone numbers with messaging settings

`GET /phone_numbers/messaging`

```go
page, err := client.PhoneNumbers.Messaging.List(context.TODO(), telnyx.PhoneNumberMessagingListParams{

})
if err != nil {
  panic(err.Error())
}
fmt.Printf("%+v\n", page)
```

## Retrieve a mobile phone number with messaging settings

`GET /mobile_phone_numbers/{id}/messaging`

```go
messaging, err := client.MobilePhoneNumbers.Messaging.Get(context.TODO(), "id")
if err != nil {
  panic(err.Error())
}
fmt.Printf("%+v\n", messaging.Data)
```

## List mobile phone numbers with messaging settings

`GET /mobile_phone_numbers/messaging`

```go
page, err := client.MobilePhoneNumbers.Messaging.List(context.TODO(), telnyx.MobilePhoneNumberMessagingListParams{

})
if err != nil {
  panic(err.Error())
}
fmt.Printf("%+v\n", page)
```

## Bulk update phone number profiles

`POST /messaging_numbers/bulk_updates` — Required: `messaging_profile_id`, `numbers`

```go
messagingNumbersBulkUpdate, err := client.MessagingNumbersBulkUpdates.New(context.TODO(), telnyx.MessagingNumbersBulkUpdateNewParams{
  MessagingProfileID: "00000000-0000-0000-0000-000000000000",
  Numbers: []string{"+18880000000", "+18880000001", "+18880000002"},
})
if err != nil {
  panic(err.Error())
}
fmt.Printf("%+v\n", messagingNumbersBulkUpdate.Data)
```

## Retrieve bulk update status

`GET /messaging_numbers/bulk_updates/{order_id}`

```go
messagingNumbersBulkUpdate, err := client.MessagingNumbersBulkUpdates.Get(context.TODO(), "order_id")
if err != nil {
  panic(err.Error())
}
fmt.Printf("%+v\n", messagingNumbersBulkUpdate.Data)
```

---

## Webhooks

The following webhook events are sent to your configured webhook URL.
All webhooks include `telnyx-timestamp` and `telnyx-signature-ed25519` headers for verification (Standard Webhooks compatible).

| Event | Description |
|-------|-------------|
| `deliveryUpdate` | Delivery Update |
| `inboundMessage` | Inbound Message |
| `replacedLinkClick` | Replaced Link Click |