Live Demo — Klaros

PS

Priya Sharma

Thanks for the update!

2m

RK

Rahul Kumar

When is the next batch?

18m

AM

Anita Mehta

Order confirmed, thank you

1h

VK

Vikram Kapoor

Can I get the invoice?

3h

NS

Neha Singh

Do you ship to Pune?

5h

Priya Sharma

+91 98765 43210 · Opted in · VIP

● Window open · 18h left

Hi Priya! Your order #4521 has shipped. Track here: track.example.com/4521

2:34 PM ✓✓

Thanks for the update!

2:35 PM

You're welcome! Expected delivery is tomorrow by 6 PM. Let us know if you need anything else.

2:36 PM ✓✓

Perfect, will keep an eye out. Thanks!

2:37 PM

Broadcast Campaigns

Summer Sale 2026

Sent

Template: summer_sale_v3 · Segment: VIP Customers · Sent Jul 2, 2026

4,200

Sent

4,186 (99.7%)

Delivered

3,890 (92.6%)

Read

1,170 (27.9%)

Replied

$562

Cost

$0.48

Cost/reply

Restock Alert — Bestsellers

Sent

Template: restock_notify · Segment: Waitlist · Sent Jun 28, 2026

2,800

Sent

2,791 (99.7%)

Delivered

2,612 (93.4%)

Read

892 (31.9%)

Replied

$443

Cost

$0.50

Cost/reply

Welcome Series — New Signups

Sending

Template: welcome_onboard · Segment: New Signups (last 7d) · Started Jul 5, 2026

1,420

Sent

1,418 (99.9%)

Delivered

1,206 (84.9%)

Read

340 (24.0%)

Replied

$321

Cost

$0.94

Cost/reply

Contacts

24,380 contacts · 18,420 opted in

Name	Phone	Consent	Tags	Last Active
Priya Sharma	+91 98765 43210	Opted in	VIPRepeat	2 min ago
Rahul Kumar	+91 87654 32109	Opted in	Customer	18 min ago
Anita Mehta	+91 76543 21098	Opted in	Lead	1 hour ago
Vikram Kapoor	+91 65432 10987	Opted in	CustomerEnterprise	3 hours ago
Neha Singh	+91 54321 09876	Opted in	Lead	5 hours ago
Deepak Joshi	+91 43210 98765	Opted in	Customer	Yesterday
Kavita Rao	+91 32109 87654	Opted out	Ex-customer	3 days ago

Cost Dashboard

Total this month

$2,268

1,620 conversations

Klaros markup

$0

Zero. Always. Enforced in code.

Cost per reply

$0.48

4,752 replies from $2.3k spend

Campaign	Messages	Cost	$/Reply	Markup
Summer Sale 2026	4,200	$562	$0.48	$0
Restock Alert	2,800	$443	$0.50	$0
Welcome Series	1,420	$321	$0.94	$0
Feedback Request	980	$168	$0.27	$0
Appointment Reminders	2,100	$126	—	$0

All costs are Meta's actual billing — fetched from your WABA's conversation_analytics endpoint. Klaros never adds fees on top.

REST API

Send a template message

POST /api/v1/messages curl -X POST "https://your-deployment.workers.dev/api/v1/messages" \ -H "Authorization: Bearer uni_live_abc123..." \ -H "Content-Type: application/json" \ -d '{ "to": "919876543210", "templateName": "summer_sale_v3", "templateLang": "en", "params": ["Priya", "20%"] }'

Response

{ "success": true, "waMessageId": "wamid.HBgLOTE5ODc2NTQzMjEwFQIAERgSQzI0RjA2...", "sentStatus": "accepted", "estimatedCost": { "currency": "USD", "amount": 0.0453 }, "markup": 0 }

More endpoints

GET /api/v1/contacts — List contacts with pagination POST /api/v1/contacts — Create or update a contact GET /api/v1/conversations — List conversations GET /api/v1/broadcasts — List broadcast campaigns POST /api/v1/broadcasts — Create and send a broadcast GET /api/v1/templates — List approved templates GET /api/v1/costs/summary — Cost summary for current period POST /api/v1/webhooks — Register a webhook endpoint

Full OpenAPI 3.0 spec available at /api/v1/openapi.json. Bearer token authentication. Webhooks for message delivery, read receipts, and incoming messages.