api/go/telnyx-messaging-go/SKILL.md
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.
npx skillsauth add team-telnyx/telnyx-toolkit telnyx-messaging-goInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
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go get github.com/team-telnyx/telnyx-go
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")),
)
All examples below assume client is already initialized as shown above.
Send a message with a Phone Number, Alphanumeric Sender ID, Short Code or Number Pool.
POST /messages — Required: to
response, err := client.Messages.Send(context.TODO(), telnyx.MessageSendParams{
To: "+18445550001",
})
if err != nil {
panic(err.Error())
}
fmt.Printf("%+v\n", response.Data)
Note: This API endpoint can only retrieve messages that are no older than 10 days since their creation.
GET /messages/{id}
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 that has not yet been sent.
DELETE /messages/{id}
response, err := client.Messages.CancelScheduled(context.TODO(), "182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
if err != nil {
panic(err.Error())
}
fmt.Printf("%+v\n", response.ID)
POST /messages/whatsapp — Required: from, to, whatsapp_message
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)
POST /messages/group_mms — Required: from, to
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)
POST /messages/long_code — Required: from, to
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)
POST /messages/number_pool — Required: to, messaging_profile_id
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 with a Phone Number, Alphanumeric Sender ID, Short Code or Number Pool.
POST /messages/schedule — Required: to
response, err := client.Messages.Schedule(context.TODO(), telnyx.MessageScheduleParams{
To: "+18445550001",
})
if err != nil {
panic(err.Error())
}
fmt.Printf("%+v\n", response.Data)
POST /messages/short_code — Required: from, to
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)
Retrieve a list of opt-out blocks.
GET /messaging_optouts
page, err := client.MessagingOptouts.List(context.TODO(), telnyx.MessagingOptoutListParams{})
if err != nil {
panic(err.Error())
}
fmt.Printf("%+v\n", page)
GET /phone_numbers/{id}/messaging
messaging, err := client.PhoneNumbers.Messaging.Get(context.TODO(), "id")
if err != nil {
panic(err.Error())
}
fmt.Printf("%+v\n", messaging.Data)
PATCH /phone_numbers/{id}/messaging
messaging, err := client.PhoneNumbers.Messaging.Update(
context.TODO(),
"id",
telnyx.PhoneNumberMessagingUpdateParams{},
)
if err != nil {
panic(err.Error())
}
fmt.Printf("%+v\n", messaging.Data)
GET /phone_numbers/messaging
page, err := client.PhoneNumbers.Messaging.List(context.TODO(), telnyx.PhoneNumberMessagingListParams{})
if err != nil {
panic(err.Error())
}
fmt.Printf("%+v\n", page)
GET /mobile_phone_numbers/{id}/messaging
messaging, err := client.MobilePhoneNumbers.Messaging.Get(context.TODO(), "id")
if err != nil {
panic(err.Error())
}
fmt.Printf("%+v\n", messaging.Data)
GET /mobile_phone_numbers/messaging
page, err := client.MobilePhoneNumbers.Messaging.List(context.TODO(), telnyx.MobilePhoneNumberMessagingListParams{})
if err != nil {
panic(err.Error())
}
fmt.Printf("%+v\n", page)
POST /messaging_numbers/bulk_updates — Required: messaging_profile_id, numbers
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)
GET /messaging_numbers/bulk_updates/{order_id}
messagingNumbersBulkUpdate, err := client.MessagingNumbersBulkUpdates.Get(context.TODO(), "order_id")
if err != nil {
panic(err.Error())
}
fmt.Printf("%+v\n", messagingNumbersBulkUpdate.Data)
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 |
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