Inbound synchronization must be explicitly enabled in the mobile app with the required consent and permissions.
SMSMobileAPI › Solution guides
Two-way SMS API
Send SMS, receive replies and keep the conversation moving
Create a genuine two-way SMS flow around your connected mobile: send by API, synchronize replies and trigger the next business action.
- Your compatible mobile
- Your SIM and number
- API, workflows and integrations
APIRequest accepted
EVENTActivity synchronized
The precise problem
Sending is only half of a useful SMS conversation
A notification becomes valuable when a customer can answer and your system understands what happened next. SMSMobileAPI connects outbound requests and inbound mobile activity to one account.
A simple, visible flow
From the business event to the useful result
One controlled chain connects your software, SMSMobileAPI and the mobile you own.
01
Business sends
02
Mobile delivers
03
Contact replies
04
System reacts
40-second demonstration
A complete reply loop in less than a minute
The sequence repeats automatically. Pause on any step to read it at your own pace.
00:40guided walkthrough
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1
Send
Your app sends a message such as “Reply YES to confirm”.
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2
Receive
The answer reaches the same connected mobile number.
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3
Synchronize
The enabled mobile channel transfers the received SMS to the account.
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4
Act
A webhook, workflow or CRM integration updates the business process.
A real business example
Example: confirm an appointment with one reply
A clinic sends a reminder from its reception mobile. When the patient replies YES, the webhook updates the appointment. A different reply can create a callback task.
Result: one recognizable conversation instead of disconnected outbound alerts.Honest limits
Know the operating conditions before you scale
A physical-mobile architecture is powerful when its real constraints are included in the design.
Delivery receipts vary by device, operator and destination; accepted is not always the same as handset-delivered.
Your workflow must handle duplicate, late or ambiguous replies safely.
Choose how you build
One mobile platform, several implementation paths
Start with the simplest path that fits your team, then combine capabilities when the workflow grows.
01REST API
Build direct server-side actions with documented endpoints and OpenAPI.
Open developer hub → 02Webhook V2Push selected SMS and call events to signed HTTPS destinations with retries.
Explore webhooks → 03Workflow StudioCreate event, condition and action automations from a visual workspace.
See workflow automation → 04Ready integrationsConnect CRM, ERP, commerce and automation tools without starting from zero.
Browse integrations →Questions for this use case
Frequently asked questions
Can a customer reply to an API-generated SMS?
Yes. The SMS is sent by the connected mobile number, and eligible replies received by that mobile can be synchronized.
How does my system learn about a reply?
Use Webhook V2 for event delivery or retrieve received SMS through the documented API and dashboard.
Can replies start automated actions?
Yes. Workflow Studio can evaluate the message and run actions such as an SMS, API call or notification.
Start with one controlled test
Connect your phone and prove the workflow with a real message.
Create an account, pair one compatible mobile and validate the complete path before you scale.
