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Feature · Two-way messaging

Every text you send can get an answer back.

Receive replies on long codes or short codes and keep threaded conversations. Every reply is delivered to your webhook.

Long and short codesWebhook repliesThreadedAuto STOP
Conversation · ACMESMS
A
Hi Priya, your order #4821 has shipped. Reply STOP to opt out.
Where is my order?
P
Reply read · intent: order status
A
It arrives Friday between 2 and 4 pm.
STOP
P
Opt-out recorded
Your webhook
POST { "reply": "Where is my order?" }
POST { "reply": "STOP" }

Illustrative

A text that can't be answered is half a conversation. Two-way messaging brings the other half back to your system.

How a reply travels

Out to the customer, back to your webhook.

Customer
Acepeak
Your system
1 · Your text goes out
2 · The customer replies
3 · The reply is posted to your webhook

Every message also returns a handset-level delivery receipt, and a reply shows up as a replied status.

Keep the thread

Each customer's replies, in one thread.

Conversations stay together, so your team sees the whole exchange.

  • Threaded by customer
  • Replies delivered to your webhook as they arrive
  • STOP and unsubscribe handled for you
Threads
PPriyaYES
MMarcoWhere is my order?
AAishaCHANGE
Reminder: your appointment is tomorrow at 10:30. Reply YES to confirm or CHANGE to rebook.
YES
Confirmed. See you tomorrow.

Illustrative

What a reply can trigger

Replies are read for intent, then acted on.

A STOP, a yes or a question triggers the right action without anyone typing a reply by hand.

STOPOpt-out recorded
YESAppointment confirmed
Where is my order?Order status sent
Where replies land

Replies come back on either kind of code.

Long code

Replies arrive on your long code.

or
Short code

Replies arrive on your short code.

Either way, each reply goes to your webhook, ready for your own system to read.

Part of the SMS API

Next to everything else you send.

Two-way messaging sits in the SMS API, on direct operator routes with handset-level delivery receipts.

Opt-out handling

Processes STOP and unsubscribe replies automatically.

Delivery reports

Track sent, delivered and failed status for every message.

Bulk campaigns

Schedule and send large messaging campaigns with personalisation.

Smart sender selection

Picks the best sender ID or number per destination.

FAQ

Two-way messaging, answered.

Let your customers text back.

Talk to partnerships about two-way messaging in the SMS API.

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