NEOPOLIS SMS
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SMS + MMS API · TWO-WAY MESSAGING

Powerful SMS & MMS Messaging Made Simple.

One API to send, receive, track, and automate business messaging. Neopolis SMS gives you a fast, reliable messaging API for websites and applications. We handle delivery, two-way messaging, compliance, tracking, and carrier connectivity behind the scenes—so you can focus on building.

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REST APITwo-way SMSMMSWebhooks
●   POST /v1/messages
Authorization: Bearer np_live_••••

{
  "from": "+12105550100",
  "to": "+12105550199",
  "text": "Your appointment is confirmed.",
  "referenceId": "appt-92881"
}

202 ACCEPTED
{ "id": "msg_01NEO...", "status": "accepted" }
THE PLATFORM

Everything your application needs to message customers.

One clean integration backed by the infrastructure needed to operate business messaging at scale.

↔

Two-way SMS

Send and receive conversations through one consistent API.

▧

MMS

Send media-rich messages using the same simple workflow.

✓

Delivery tracking

Normalized message states and events tied to Neopolis IDs.

⌁

Reliable webhooks

Durable storage, deduplication, retries and delivery history.

◷

Scheduled messaging

Queue messages for future delivery without your own scheduler.

#

Phone numbers

Manage messaging-enabled numbers and ownership from one platform.

ONE API. WE HANDLE THE REST.

Your application talks to Neopolis SMS.

We process authentication, sender ownership, opt-outs, pricing, compliance controls, carrier routing, delivery events and retries before your application ever has to think about them.

  • Stable Neopolis message IDs
  • Provider-independent customer integration
  • Centralized logging and audit history
  • Designed for multiple upstream routes
Your App
↓
Neopolis SMS API
↓
Validation & Compliance
↓
Messaging Network
↓
Recipient + Delivery Events
DEVELOPER FIRST

Send your first message in minutes.

A small API surface with serious infrastructure behind it.

cURLC#JavaScriptPHPPython
curl -X POST https://api.neopolis.net/v1/messages \
  -H "Authorization: Bearer np_live_YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "from": "+12105550100",
    "to": "+12105550199",
    "text": "Hello from Neopolis SMS!",
    "referenceId": "order-10482"
  }'
REST APIAPI KeysWebhooksIdempotencyDelivery ReceiptsDetailed LogsIP Restrictions
SIMPLE VOLUME PRICING

Start small. Pay less as you grow.

Transparent U.S. registered 10DLC pricing, loaded directly from Neopolis SQL.

SMS pricing

Under 5K

$0.0250/segment

0–4,999 SMS segments/month

POPULAR

5K+

$0.0220/segment

5,000–49,999 SMS segments/month

50K+

$0.0190/segment

50,000–149,999 SMS segments/month

150K+

$0.0170/segment

150,000+ SMS segments/month

MMS pricing

Priced per MMS message, not SMS segment.

Under 5K

$0.045/message

0–4,999 MMS/month

5K+

$0.040/message

5,000–49,999 MMS/month

50K+

$0.037/message

50,000–149,999 MMS/month

150K+

$0.035/message

150,000+ MMS/month

Prepaid messaging. No surprise balance.Customers deposit funds before sending. Neopolis checks available balance before accepting billable traffic.
500K+ messages/month? Contact sales →

Standard registered U.S. 10DLC carrier surcharges are included in advertised messaging rates. Registration, campaign, toll-free, short-code, non-compliance and other special/pass-through charges may be billed separately.

MESSAGING COMPLIANCE

Compliance without scattering rules through your code.

Neopolis SMS centralizes sender registration, consent records, opt-outs, suppression, campaign data and audit history so your application can use one controlled messaging pipeline.

STOPOpt-out enforcement
10DLCBrand & campaign data
CONSENTPermission records
AUDITTraceable history
BUILT FOR REAL BUSINESS

Messaging that fits the way you already work.

Appointment Reminders

Confirm appointments, send reminders and receive replies.

Customer Notifications

Orders, service updates, account events and transactional alerts.

Two-Way Conversations

Let customers reply naturally while your application stays synchronized.

Alerts & Monitoring

Deliver operational alerts and route responses back to your systems.

Websites & Applications

Add messaging to existing software through a focused developer API.

READY TO BUILD?

Start messaging with Neopolis SMS.

Build SMS and MMS into your application with one simple API.

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