# Telnyx Messaging Java > 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 Java SDK examples. - Skill: `team-telnyx/telnyx-messaging-java-3` (Agent Skill) - Install (CLI): `npx skillmds@latest add team-telnyx/telnyx-messaging-java-3` - Raw SKILL.md: https://api.skillmd.com/api/skills/team-telnyx/telnyx-messaging-java-3/raw - Safety review: pending (external: skill-scanner PASS, skillspector PASS) - Works with: Claude Code, Claude.ai, OpenAI Codex - Category: Integrations & APIs - Author: team-telnyx (https://skillmd.com/u/team-telnyx) - Updated: 2026-09-21 - Page: https://skillmd.com/skills/team-telnyx/telnyx-messaging-java-3 --- # Telnyx Messaging - Java ## Installation ```text // See https://github.com/team-telnyx/telnyx-java for Maven/Gradle setup ``` ## Setup ```java import com.telnyx.sdk.client.TelnyxClient; import com.telnyx.sdk.client.okhttp.TelnyxOkHttpClient; TelnyxClient client = TelnyxOkHttpClient.fromEnv(); ``` 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` ```java import com.telnyx.sdk.models.messages.MessageSendParams; import com.telnyx.sdk.models.messages.MessageSendResponse; MessageSendParams params = MessageSendParams.builder() .to("+18445550001") .build(); MessageSendResponse response = client.messages().send(params); ``` ## Retrieve a message Note: This API endpoint can only retrieve messages that are no older than 10 days since their creation. `GET /messages/{id}` ```java import com.telnyx.sdk.models.messages.MessageRetrieveParams; import com.telnyx.sdk.models.messages.MessageRetrieveResponse; MessageRetrieveResponse message = client.messages().retrieve("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e"); ``` ## Cancel a scheduled message Cancel a scheduled message that has not yet been sent. `DELETE /messages/{id}` ```java import com.telnyx.sdk.models.messages.MessageCancelScheduledParams; import com.telnyx.sdk.models.messages.MessageCancelScheduledResponse; MessageCancelScheduledResponse response = client.messages().cancelScheduled("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e"); ``` ## Send a Whatsapp message `POST /messages/whatsapp` — Required: `from`, `to`, `whatsapp_message` ```java import com.telnyx.sdk.models.messages.MessageSendWhatsappParams; import com.telnyx.sdk.models.messages.MessageSendWhatsappResponse; MessageSendWhatsappParams params = MessageSendWhatsappParams.builder() .from("+13125551234") .to("+13125551234") .whatsappMessage(MessageSendWhatsappParams.WhatsappMessage.builder().build()) .build(); MessageSendWhatsappResponse response = client.messages().sendWhatsapp(params); ``` ## Send a group MMS message `POST /messages/group_mms` — Required: `from`, `to` ```java import com.telnyx.sdk.models.messages.MessageSendGroupMmsParams; import com.telnyx.sdk.models.messages.MessageSendGroupMmsResponse; MessageSendGroupMmsParams params = MessageSendGroupMmsParams.builder() .from("+13125551234") .addTo("+18655551234") .addTo("+14155551234") .build(); MessageSendGroupMmsResponse response = client.messages().sendGroupMms(params); ``` ## Send a long code message `POST /messages/long_code` — Required: `from`, `to` ```java import com.telnyx.sdk.models.messages.MessageSendLongCodeParams; import com.telnyx.sdk.models.messages.MessageSendLongCodeResponse; MessageSendLongCodeParams params = MessageSendLongCodeParams.builder() .from("+18445550001") .to("+13125550002") .build(); MessageSendLongCodeResponse response = client.messages().sendLongCode(params); ``` ## Send a message using number pool `POST /messages/number_pool` — Required: `to`, `messaging_profile_id` ```java import com.telnyx.sdk.models.messages.MessageSendNumberPoolParams; import com.telnyx.sdk.models.messages.MessageSendNumberPoolResponse; MessageSendNumberPoolParams params = MessageSendNumberPoolParams.builder() .messagingProfileId("abc85f64-5717-4562-b3fc-2c9600000000") .to("+13125550002") .build(); MessageSendNumberPoolResponse response = client.messages().sendNumberPool(params); ``` ## Schedule a message Schedule a message with a Phone Number, Alphanumeric Sender ID, Short Code or Number Pool. `POST /messages/schedule` — Required: `to` ```java import com.telnyx.sdk.models.messages.MessageScheduleParams; import com.telnyx.sdk.models.messages.MessageScheduleResponse; MessageScheduleParams params = MessageScheduleParams.builder() .to("+18445550001") .build(); MessageScheduleResponse response = client.messages().schedule(params); ``` ## Send a short code message `POST /messages/short_code` — Required: `from`, `to` ```java import com.telnyx.sdk.models.messages.MessageSendShortCodeParams; import com.telnyx.sdk.models.messages.MessageSendShortCodeResponse; MessageSendShortCodeParams params = MessageSendShortCodeParams.builder() .from("+18445550001") .to("+18445550001") .build(); MessageSendShortCodeResponse response = client.messages().sendShortCode(params); ``` ## List opt-outs Retrieve a list of opt-out blocks. `GET /messaging_optouts` ```java import com.telnyx.sdk.models.messagingoptouts.MessagingOptoutListPage; import com.telnyx.sdk.models.messagingoptouts.MessagingOptoutListParams; MessagingOptoutListPage page = client.messagingOptouts().list(); ``` ## Retrieve a phone number with messaging settings `GET /phone_numbers/{id}/messaging` ```java import com.telnyx.sdk.models.phonenumbers.messaging.MessagingRetrieveParams; import com.telnyx.sdk.models.phonenumbers.messaging.MessagingRetrieveResponse; MessagingRetrieveResponse messaging = client.phoneNumbers().messaging().retrieve("id"); ``` ## Update the messaging profile and/or messaging product of a phone number `PATCH /phone_numbers/{id}/messaging` ```java import com.telnyx.sdk.models.phonenumbers.messaging.MessagingUpdateParams; import com.telnyx.sdk.models.phonenumbers.messaging.MessagingUpdateResponse; MessagingUpdateResponse messaging = client.phoneNumbers().messaging().update("id"); ``` ## List phone numbers with messaging settings `GET /phone_numbers/messaging` ```java import com.telnyx.sdk.models.phonenumbers.messaging.MessagingListPage; import com.telnyx.sdk.models.phonenumbers.messaging.MessagingListParams; MessagingListPage page = client.phoneNumbers().messaging().list(); ``` ## Retrieve a mobile phone number with messaging settings `GET /mobile_phone_numbers/{id}/messaging` ```java import com.telnyx.sdk.models.mobilephonenumbers.messaging.MessagingRetrieveParams; import com.telnyx.sdk.models.mobilephonenumbers.messaging.MessagingRetrieveResponse; MessagingRetrieveResponse messaging = client.mobilePhoneNumbers().messaging().retrieve("id"); ``` ## List mobile phone numbers with messaging settings `GET /mobile_phone_numbers/messaging` ```java import com.telnyx.sdk.models.mobilephonenumbers.messaging.MessagingListPage; import com.telnyx.sdk.models.mobilephonenumbers.messaging.MessagingListParams; MessagingListPage page = client.mobilePhoneNumbers().messaging().list(); ``` ## Bulk update phone number profiles `POST /messaging_numbers/bulk_updates` — Required: `messaging_profile_id`, `numbers` ```java import com.telnyx.sdk.models.messagingnumbersbulkupdates.MessagingNumbersBulkUpdateCreateParams; import com.telnyx.sdk.models.messagingnumbersbulkupdates.MessagingNumbersBulkUpdateCreateResponse; import java.util.List; MessagingNumbersBulkUpdateCreateParams params = MessagingNumbersBulkUpdateCreateParams.builder() .messagingProfileId("00000000-0000-0000-0000-000000000000") .numbers(List.of( "+18880000000", "+18880000001", "+18880000002" )) .build(); MessagingNumbersBulkUpdateCreateResponse messagingNumbersBulkUpdate = client.messagingNumbersBulkUpdates().create(params); ``` ## Retrieve bulk update status `GET /messaging_numbers/bulk_updates/{order_id}` ```java import com.telnyx.sdk.models.messagingnumbersbulkupdates.MessagingNumbersBulkUpdateRetrieveParams; import com.telnyx.sdk.models.messagingnumbersbulkupdates.MessagingNumbersBulkUpdateRetrieveResponse; MessagingNumbersBulkUpdateRetrieveResponse messagingNumbersBulkUpdate = client.messagingNumbersBulkUpdates().retrieve("order_id"); ``` --- ## 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 |