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Under the hood

Technical architecture, scoring methodology, machine learning pipeline, and security posture — everything you need to evaluate GTM Clarity with confidence.

System Architecture

GTM Clarity is built on two foundational pillars — identity resolution and intent intelligence — that feed every scoring, enrichment, and activation capability in the platform.

End-to-end data flow

1. Data Ingestion

Signals from CRM, marketing automation, website pixel, ad platforms, email, and calls

SalesforceHubSpotPixelCustomer.ioO365FathomWebhooks

2. Identity Resolution Engine

Deterministic matching across 4.5B emails, 300M phones, device IDs, UID2. Anonymous to known identity.

Email DBUID2 ConversionHEM MatchingDevice GraphPixel Resolution

3. Intent Intelligence Engine

600B daily bid-stream impressions, URL parsing, semantic embedding, taxonomy matching, person-level scoring

Bid StreamURL ParserEmbeddingsCosine SimilarityTaxonomyDaily Aggregation

4. Scoring Engine

Four-dimensional scoring: Fit + Engagement + Propensity ML + Intent. Full SHAP explainability.

ICP MatchTime-DecayXGBoostRiverIntent ScoreSHAP

5. Buying Group Intelligence

Role detection, completeness scoring, contact discovery, gap alerts — built on resolved identities

Role DetectionCompletenessGap AnalysisDiscovery

6. Activation & Sync

Bi-directional CRM sync, audience activation, attribution reporting, webhook events

CRM SyncAudiencesAttributionWebhooksREST API

Application Stack

Frontend

Next.js + React

Server-rendered dashboard with real-time updates. Tailwind CSS design system.

API Layer

tRPC

Type-safe APIs with end-to-end TypeScript. OpenTelemetry tracing for full observability.

Database

PostgreSQL + Drizzle

Neon serverless Postgres with Drizzle ORM. Row-level security for multi-tenant isolation.

ML Service

Python FastAPI

Dedicated ML sidecar for propensity scoring. XGBoost batch + River online learning.

Auth

Clerk

Enterprise SSO, RBAC, and organization-level access control. SOC 2 compliant.

Infrastructure

Vercel + Edge

Edge-deployed globally. Automatic scaling with zero-downtime deployments.

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