Integration · Communication

Connect Claude & ChatGPT to Sendon

Ask your AI to send an SMS, LMS or MMS from one of your registered sender numbers, or a Kakao AlimTalk message from an approved template. It can check how a send went, cancel a scheduled send, write AlimTalk templates and submit them for review, and keep an eye on your points and the opt-out list.

Connect Sendon free

Free plan, no credit card. Takes about a minute.

Try asking

“Text 010-1234-5678 that the order is ready for pickup, from our main sender number.”
The AI lists your registered sender numbers, picks the one you mean and sends the SMS. It is a real message and uses points.
“How did yesterday's appointment reminder go? Did any messages fail?”
It finds the send request and lists each message with its delivery status, so you can see which numbers failed.
“Cancel the SMS we scheduled for tomorrow morning.”
It finds the scheduled send request and cancels it before it goes out. A cancel cannot be undone.

What your AI can do

SMS, LMS and MMS

Send text messages from registered sender numbers, schedule them, send a scheduled batch now or cancel it, and read delivery results per message.

Kakao AlimTalk

List your Kakao channels, create and update AlimTalk templates, submit them for review and send AlimTalk messages with an optional SMS fallback.

Points and opt-outs

Check your point balance, message prices and payment history, and add or remove numbers on the opt-out blocklist.

“Write an AlimTalk template for shipping notices and send it for review.”
It creates the template on your Kakao channel and submits it to Kakao for review. It can be used once it is approved.
“How many points do we have left, and what does an LMS cost?”
It reads your point balance and history and lists the price per message type.
“Stop sending messages to 010-9876-5432.”
It adds the number to your opt-out blocklist, so it no longer receives messages.

60 tools for Sendon

These tools are switched on when you connect. You can switch any of them off, or require your approval before it runs.

attach_groupVisible to othersAssign a group (send profile id). Has effects visible outside this system. API summary: 발신프로필 그룹 배정.
block_numberChanges dataAdd a phone number to the opt-out blocklist so it no longer receives messages. Requires `phone_number`.
cancel_scheduled_kakaoDeletesCancel a scheduled Kakao message send request by `group_id`. Cannot be undone.
cancel_scheduled_smsDeletesCancel a scheduled SMS send request by `group_id` before it goes out. Cannot be undone.
create_alimtalk_templateVisible to othersCreate an AlimTalk template for a Kakao channel. Requires `send_profile_id` and `template_content`; optional name, title, buttons and image. It must be submitted for review before it can be used.
create_brand_message_template_deleteVisible to othersCreate a new delete for a brand message template. Has effects visible outside this system. API summary: 브랜드 메시지 템플릿 삭제.
create_messageVisible to othersCreate a new message. Required: template name or content. Search messages first to avoid duplicates. Has effects visible outside this system. API summary: 텍스트형 브랜드 메시지 템플릿 등록.
create_message_brand_message_template_controller_create_carouselVisible to othersCreate a new message. Required: template name or carousel. Search messages first to avoid duplicates. Has effects visible outside this system. API summary: 캐러셀 피드형 브랜드 메시지 템플릿 등록.
create_message_brand_message_template_controller_create_image_brVisible to othersCreate a new message. Required: template name, content or image url. Search messages first to avoid duplicates. Has effects visible outside this system. API summary: 이미지형 브랜드 메시지 템플릿 등록.
create_message_brand_message_template_controller_create_wide_braVisible to othersCreate a new message. Required: template name, content or image url. Search messages first to avoid duplicates. Has effects visible outside this system. API summary: 와이드형 브랜드 메시지 템플릿 등록.
create_message_brand_message_template_controller_create_wide_iteVisible to othersCreate a new message. Required: template name, header, main wide item or sub wide item list. Search messages first to avoid duplicates. Has effects visible outside this system. API summary: 와이드 리스트형 브랜드 메시지 템플릿 등록.
create_message_brand_message_template_controller_update_carouselVisible to othersCreate a new message. Required: template name or carousel. Search messages first to avoid duplicates. Has effects visible outside this system. API summary: 캐러셀 피드형 브랜드 메시지 템플릿 수정.
create_message_brand_message_template_controller_update_image_brVisible to othersCreate a new message. Required: template name, content or image url. Search messages first to avoid duplicates. Has effects visible outside this system. API summary: 이미지형 브랜드 메시지 템플릿 수정.
create_message_brand_message_template_controller_update_text_braVisible to othersCreate a new message. Required: template name or content. Search messages first to avoid duplicates. Has effects visible outside this system. API summary: 텍스트형 브랜드 메시지 템플릿 수정.
create_message_brand_message_template_controller_update_wide_braVisible to othersCreate a new message. Required: template name, content or image url. Search messages first to avoid duplicates. Has effects visible outside this system. API summary: 와이드형 브랜드 메시지 템플릿 수정.
create_message_brand_message_template_controller_update_wide_iteVisible to othersCreate a new message. Required: template name, header, main wide item or sub wide item list. Search messages first to avoid duplicates. Has effects visible outside this system. API summary: 와이드 리스트형 브랜드 메시지 템플릿 수정.
create_message_message_controller_send_brand_messageVisible to othersCreate a new message. Required: send profile id, template code or to. Search messages first to avoid duplicates. Has effects visible outside this system. API summary: 브랜드 메시지 발송.
create_presignedVisible to othersCreate a new presigned. Has effects visible outside this system. API summary: CSV 업로드 URL 발급.
create_presigned_rcs_controller_create_csv_upload_urlChanges dataCreate a new presigned. API summary: CSV 업로드를 위한 Presigned URL 발급.
create_rcVisible to othersCreate a new rc. Required: type, from, to or rbc. Has effects visible outside this system. API summary: RCS 메시지 발송.
create_registerVisible to othersCreate a new register. Required: token, phone number or channel id. Has effects visible outside this system. API summary: 채널 등록.
create_request_auth_tokenDeletesCreate a new request auth token. Required: channel id or phone number. Destructive action; may require approval. API summary: 채널 인증 알림톡 전송.
create_template_deleteVisible to othersCreate a new delete for a template. Has effects visible outside this system. API summary: 템플릿 삭제.
create_template_review_cancelVisible to othersCreate a new review cancel for a template. Has effects visible outside this system. API summary: 템플릿 검수 요청 취소.
create_unifiedChanges dataCreate a new unified. Required: phone number. Search unifieds first to avoid duplicates. API summary: 통합 수신거부 연락처 추가.
create_unified_deleteChanges dataCreate a new delete for a unified. API summary: 통합 수신거부 해제.
detach_groupVisible to othersUnassign a group (send profile id). Has effects visible outside this system. API summary: 발신프로필 그룹 배정 해제.
get_alimtalk_templateGet one AlimTalk template by `send_profile_id` and `template_id`, including its content and review status.
get_group_rcs_controller_findGet one group by group id. API summary: RCS 메시지 발송 상세 조회.
get_kakao_channelGet one Kakao channel (send profile) by `send_profile_id`.
get_kakao_sendGet one Kakao message send request by `group_id`, including its status.
get_paymentGet one payment by history id. API summary: 결제 히스토리 상세 조회.
get_point_balanceGet the account's point balance and point history.
get_send_profile_messageGet one message for a send profile by template code. API summary: 브랜드 메시지 템플릿 상세 조회.
get_sms_sendGet one SMS send request by `group_id`, including its status and counts.
list_alimtalk_templatesList AlimTalk templates for a Kakao channel by `send_profile_id`, optionally filtered by `status` or `keyword`.
list_blocked_numbersList numbers that opted out of receiving messages (the blocklist), with optional date and sender filters.
list_kakao_channelsVisible to othersList the Kakao channels (send profiles) connected to the account. Use the `send_profile_id` with the Kakao tools.
list_message_pricesList the per-message prices for each message type.
list_paymentsList payment (top-up) history, optionally filtered by `start_date` and `end_date`.
list_send_profile_messagesList messages for a send profile. Optional filters: status or message type. Results are paginated. API summary: 브랜드 메시지 템플릿 목록 조회.
list_send_resultsList the individual messages and delivery results in a send request by `group_id`, optionally filtered by `message_status`.
list_sender_numbersList the registered sender (caller) phone numbers on the account. Use one as `from` when sending SMS.
list_sms_sendsList SMS/LMS/MMS send requests (groups), newest first, with paging via `cursor`.
list_urlsList urls. Optional filters: expire in, image id3, image id2 or image id1. API summary: MMS 이미지 조회.
list_urls_rcs_controller_get_image_urlList urls. Optional filters: expire in or file id. API summary: RCS MMS 이미지 조회.
search_groups_rcs_controller_search_groupsSearch groups. Use this to find existing groups before creating a new group. Results are paginated. API summary: RCS 메시지 그룹 리스트 조회.
search_unifiedsSearch unifieds by message type, block type, keyword, start date or end date. Use this to find existing unifieds before creating a new unified. Results are paginated. API summary: 통합 수신거부 목록 조회.
send_alimtalkVisible to othersSend a Kakao AlimTalk message using an approved template. Requires `to`, `send_profile_id` and `template_id`; optional SMS `fallback` and `reservation` time. Sends real messages and uses points.
send_group_sendVisible to othersSend a group (group id). Has effects visible outside this system. API summary: 카카오 메시지 발송 요청 전체 즉시 발송.
send_scheduled_sms_nowVisible to othersImmediately send a scheduled SMS send request by `group_id` instead of waiting for its reserved time. Sends real messages.
send_smsVisible to othersSend an SMS, LMS or MMS text message to one or more recipients. Requires `to` (phone numbers), `from` (a registered sender number, digits only), `type` (SMS, LMS or MMS) and `message`; LMS/MMS also need a `title`. Sends real messages and uses points unless you set a `reservation` time.
submit_alimtalk_template_reviewVisible to othersSubmit an AlimTalk template to Kakao for review by `send_profile_id` and `template_id`. Templates must be approved before sending.
unblock_numberChanges dataRemove an entry from the opt-out blocklist by `blocklist_id`, so the number can receive messages again.
update_alimtalk_templateVisible to othersUpdate an AlimTalk template by `send_profile_id` and `template_id`. Only the fields you pass change.
upload_messageVisible to othersUpload a message. Has effects visible outside this system. API summary: MMS 이미지 업로드.
upload_message_uploadVisible to othersUpload a message. Has effects visible outside this system. API summary: 브랜드 메시지 이미지 파일 업로드.
upload_message_upload_controller_upload_alim_talk_template_imageChanges dataUpload a message. API summary: 템플릿 이미지 파일 업로드.
upload_message_upload_controller_upload_brand_message_wide_imageVisible to othersUpload a message. Has effects visible outside this system. API summary: 브랜드 메시지 와이드 이미지 파일 업로드.
upload_message_upload_controller_upload_fallback_imageChanges dataUpload a message. API summary: 대체문자 이미지 파일 업로드.

Set up in three steps

1
Pick the app
Create a free HeyMyApps account and choose Sendon from the app list.
2
Paste your key
Enter your Sendon account ID as the username and a Sendon API key as the password. You need a verified business account. In the Sendon console open 마이페이지 > API KEY and click 새로운 API KEY 생성, then copy the key. Sending through the API also requires the calling server's IP on the key's allow-list (API KEY 관리 > 허용 IP 관리), so add HeyMyApps' server IP there.
3
Add the link to your AI
You get a personal MCP link. Add it to Claude, ChatGPT or Cursor:
1. Click your name, then Settings › Connectors › Add custom connector.
2. Paste your link as the Remote MCP server URL.
3. Switch it on from the + menu in a chat.

Questions

What can the AI do in Sendon?

The AI can send SMS, LMS and MMS messages, read send requests and their delivery results, send a scheduled batch right away or cancel it. It can list your Kakao channels, create, update and submit AlimTalk templates for review, and send AlimTalk messages. It can also read your points, prices and payments and manage the opt-out blocklist.

Does the AI see my Sendon credentials?

No. Your Sendon account ID and API key are encrypted at rest and never shown to the AI. After you save them, they are not shown again, not even to you. The AI only sees the results of the tools it calls.

Can I control what the AI is allowed to do?

Yes. You choose which tools are switched on, so you can start with only delivery results and point balance. Sending an SMS or AlimTalk message reaches real people and uses points, and cancelling a scheduled send cannot be undone. These actions can require your approval before they run. Every tool call is logged.

Does it work with ChatGPT?

Yes. In ChatGPT go to Settings › Apps & Connectors › Advanced and turn on Developer mode, then add your HeyMyApps link. Developer mode needs a paid ChatGPT plan: Plus, Pro, Business or Enterprise. The same link also works in Claude (Settings › Connectors › Add custom connector), Cursor and other MCP clients.

What does it cost?

HeyMyApps has a free plan with no credit card required. Paid plans bill per completed task. You also need your own Sendon account.

Why do I need to add an IP address in Sendon?

Sendon only accepts API sends from IP addresses on the key's allow-list. Because HeyMyApps makes the calls to Sendon for you, add HeyMyApps' server IP under API KEY 관리 > 허용 IP 관리 in the Sendon console. Otherwise sending messages through the API is refused.