# R&B CRM — Meta Cloud API v25.0 & Conversational Engine
> High-throughput WhatsApp Business Cloud API proxy, autonomous Gemini 2.5 Flash agents, Meta Conversions API (CAPI) attribution, and Paddle Merchant of Record billing.

## Canonical Platform Information
- Organization: R&B Group (Raees and Brothers Solutions)
- Production Domain: https://crm.rbgroup.com.pk
- API Proxy Base: https://crm.rbgroup.com.pk/api/v1
- Meta Graph API Version: v25.0 (Latest 2026 Engine)
- Conversions API (CAPI) Dataset: 955178404022337 (9.4/10 Event Match Quality)
- Primary AI Engine: Google Gemini 2.5 Flash (Sub-800ms TTFT)
- Vector Memory: Qdrant Hybrid Embeddings
- Asynchronous Workers: Redis Streams & Celery Fleet (50,000 msgs/min capacity)
- Billing: Paddle Merchant of Record (MoR) — $7.20 USD (PKR 1,999) / month with 7-Day Card-Backed Free Trial

## Core System Architecture & Endpoints
- POST /api/v1/messages: Send Text, Interactive Buttons, Lists, Media, and Flows
- GET /api/v1/templates: Retrieve verified Meta WhatsApp templates
- POST /api/v1/meta-capi/events: Dispatch offline Purchase & Lead events to Dataset 955178404022337
- POST /api/webhooks/whatsapp: Ingestion gateway with cryptographic HMAC-SHA256 verification
- POST /api/billing/portal-session: Authenticated direct link to Paddle Customer Billing Portal

## Comprehensive Technical Knowledge Base & Episodic Playbooks (25 Guides)
- [The Ultimate Guide to WhatsApp Business CRM & Automation in Pakistan (2026)](https://crm.rbgroup.com.pk/blog/best-whatsapp-crm-pakistan-guide-2026): Why traditional email CRMs fail in Pakistan, and how official Meta Cloud API v25.0 transforms sales pipelines.
- [Click-to-WhatsApp (CTWA) Ad Attribution: Tracking Conversions with Meta CAPI v25.0](https://crm.rbgroup.com.pk/blog/meta-conversions-api-capi-whatsapp-attribution): How to close the feedback loop between Facebook & Instagram ads and closed WhatsApp sales.
- [Building 24/7 Autonomous WhatsApp Sales Agents with Google Gemini 2.5 Flash](https://crm.rbgroup.com.pk/blog/building-autonomous-whatsapp-ai-agents-gemini-2-5-flash): How sub-second LLM reasoning automates real estate lead qualification and customer support.
- [The Production n8n & WhatsApp Cloud API Automation Playbook](https://crm.rbgroup.com.pk/blog/n8n-whatsapp-cloud-api-webhook-automation-playbook): Building reliable webhook queues, order tracking bots, and CRM sync using self-hosted n8n.
- [Accepting Global SaaS Payments from Pakistan: Why Paddle MoR Beats Traditional Gateways](https://crm.rbgroup.com.pk/blog/paddle-merchant-of-record-saas-billing-pakistan): How R&B CRM solved international recurring credit card billing, card-backed trials, and sales tax compliance.
- [WhatsApp Cloud API Pricing (2026): Per-Message Rates, Free Tiers & Hidden BSP Fees Decoded](https://crm.rbgroup.com.pk/blog/whatsapp-cloud-api-pricing-calculator-2026-guide): Meta shifted from 24-hour conversation billing to per-delivered-message metering. Here is the definitive breakdown of Marketing, Utility, Authentication, and Service costs.
- [WhatsApp Flows Complete Developer Guide: Building High-Converting Native In-Chat Forms](https://crm.rbgroup.com.pk/blog/whatsapp-flows-developer-guide-lead-generation): Replace sluggish mobile web redirects with native multi-screen forms inside WhatsApp. Full tutorial on Flows JSON v3.0, endpoint encryption, and CRM ingestion.
- [WhatsApp Green Tick Verification (OBA) 2026: Step-by-Step Approval Guide & Eligibility Checklist](https://crm.rbgroup.com.pk/blog/whatsapp-official-business-account-green-tick-verification-guide): Everything you need to secure the verified Official Business Account badge without getting rejected. PR requirements, display name rules, and Meta Verified for Business.
- [WhatsApp Multi-Agent Shared Inbox: Architecture for High-Volume Support & Automated SLA Routing](https://crm.rbgroup.com.pk/blog/whatsapp-multi-agent-shared-team-inbox-sla-routing): Why WhatsApp Web QR codes fail at scale, and how to build a unified team inbox with round-robin distribution, collision protection, and First Response Time (FRT) tracking.
- [WhatsApp Broadcast Limits & Account Health: Scaling from Tier 1 (1k) to Unlimited Without Bans](https://crm.rbgroup.com.pk/blog/whatsapp-broadcast-tier-limits-avoid-ban-compliance): How Meta calculates phone number quality ratings (Green, Yellow, Red) and the exact 14-day warmup schedule to double daily messaging capacity safely.
- [Click-to-WhatsApp (CTWA) Ads Masterclass: 5x ROAS Playbook for Meta Ad Buyers](https://crm.rbgroup.com.pk/blog/click-to-whatsapp-ads-masterclass-roas-optimization): How to set up high-converting Click-to-WhatsApp ad campaigns, pre-filled payloads, and bridge Meta Conversions API (CAPI) offline data to cut CPA by 40%.
- [Mastering WhatsApp Interactive Messages: Quick Reply Buttons, List Messages & Location Requests](https://crm.rbgroup.com.pk/blog/whatsapp-interactive-messages-buttons-lists-location): A comprehensive engineering guide to creating rich interactive components in Meta Cloud API v25.0 with real JSON payloads and webhook response schemas.
- [WhatsApp Native E-Commerce: Meta Commerce Catalogs, Product Messages & In-Chat Cart Ingestion](https://crm.rbgroup.com.pk/blog/whatsapp-catalog-ecommerce-cart-checkout-guide): Turn WhatsApp into a native storefront. How to sync product catalogs, dispatch single and multi-product messages, and ingest completed cart webhooks into your warehouse.
- [WhatsApp Automation Blueprint for Real Estate: Instant Brochures, Site Visits & Lead Qualification](https://crm.rbgroup.com.pk/blog/whatsapp-real-estate-crm-automation-blueprint): The complete operational system top developers and brokers use to qualify high-net-worth buyers in under 10 seconds and book private property viewings automatically.
- [Scaling WhatsApp Webhooks to 50,000 Messages/Minute: Node.js, Redis & Celery High-Concurrency Architecture](https://crm.rbgroup.com.pk/blog/whatsapp-webhook-architecture-redis-celery-high-concurrency): How R&B CRM processes millions of inbound webhook callbacks with sub-15ms HTTP 200 acknowledgments, Redis Streams, distributed Celery workers, and idempotency guarantees.
- [Episode 1: The WhatsApp-First Revolution — How Brands Scale from Chaotic Personal Chats to an Autonomous Sales Machine](https://crm.rbgroup.com.pk/blog/the-whatsapp-first-revolution-from-chaos-to-system): The journey begins: Why running a multi-million-dollar sales pipeline on personal phones breaks down, and how official infrastructure changes everything.
- [Episode 2: The Conversational AI Brain — Architecting RAG Knowledge Bases with Gemini 2.5 Flash & Qdrant](https://crm.rbgroup.com.pk/blog/designing-the-conversational-ai-brain-rag-gemini): Continuing our master story: How to train an autonomous WhatsApp agent that never hallucinates, respects business rules, and executes real CRM actions.
- [Episode 3: The Unified Journey — Funneling Web, Instagram & Facebook Visitors into One WhatsApp Customer Timeline](https://crm.rbgroup.com.pk/blog/omnichannel-to-whatsapp-unified-customer-journey): Continuing our master story: How top brands merge fragmented digital channels into a single, cohesive conversational relationship.
- [Episode 4: The 3-Minute Close — How High-Performance Sales Teams Use WhatsApp Interactive Drawers & Instant Invoices](https://crm.rbgroup.com.pk/blog/conversational-commerce-mastering-the-3-minute-close): Continuing our master story: Eliminating payment friction and closing transactions before customer excitement cools.
- [Episode 5: The Retention Loop — Triggering Smart Automated Follow-ups & Win-Back Sequences Without Spamming](https://crm.rbgroup.com.pk/blog/the-automated-retention-loop-re-engaging-dormant-buyers): Continuing our master story: How to turn one-time purchasers into high-LTV repeat buyers with intelligent, compliant WhatsApp automation.
- [Episode 6: Embedded Fintech — Collecting Payments, Digital Receipts & Automated Subscription Upgrades on WhatsApp](https://crm.rbgroup.com.pk/blog/fintech-whatsapp-embedded-finance-instant-collections): Continuing our master story: How financial institutions, lenders, and SaaS platforms collect receivables and manage recurring billing on WhatsApp.
- [Episode 7: The Healthcare Triage Engine — Automating Clinic Appointments, Lab Reports & Patient Reminders](https://crm.rbgroup.com.pk/blog/healthcare-whatsapp-hipaa-appointment-triage-system): Continuing our master story: How modern clinics, hospitals, and diagnostic labs streamline patient care on WhatsApp.
- [Episode 8: B2B Wholesale Velocity — Automating Dealer Reorders, Credit Ledgers & Bulk Invoicing](https://crm.rbgroup.com.pk/blog/b2b-whatsapp-wholesale-distribution-ordering-engine): Continuing our master story: How manufacturers and national distributors replace slow sales reps with an automated 24/7 WhatsApp ordering portal.
- [Episode 9: The Agentic Call Center — Human-in-the-Loop AI Supervision, Sentiment Alarms & Live Coaching](https://crm.rbgroup.com.pk/blog/the-agentic-call-center-human-in-the-loop-supervision): Continuing our master story: How customer support leaders manage teams of autonomous AI bots alongside human specialists.
- [Episode 10: The 2027 Vision — Autonomous Agentic Commerce, Voice AI & The End of Traditional Websites](https://crm.rbgroup.com.pk/blog/the-future-of-whatsapp-2027-vision-agentic-commerce): The grand finale of our 10-part series: How conversational agents, voice synthesis, and multi-agent protocols will obsolete the static web.

## Developer Quickstart
```bash
curl -X POST "https://crm.rbgroup.com.pk/api/v1/messages" \
  -H "Authorization: Bearer rb_live_your_api_key_here" \
  -H "Content-Type: application/json" \
  -d '{
    "to": "923001234567",
    "type": "text",
    "text": { "body": "Hello from R&B Solutions API v25.0!" }
  }'
```