salesloft-reference-architecture
Production architecture for SalesLoft API integrations with service layer, webhook processing, and CRM sync patterns. Use when designing new SalesLoft integrations or reviewing project structure. Trigger: "salesloft architecture", "salesloft project structure", "salesloft design".
What this skill does
# SalesLoft Reference Architecture
## Overview
Production architecture for SalesLoft API integrations: typed API client, service layer with caching, webhook processor, and background sync. Designed around SalesLoft's REST API v2 with cost-based rate limiting.
## Project Structure
```
salesloft-integration/
├── src/
│ ├── salesloft/
│ │ ├── client.ts # Axios wrapper with rate-limit handling
│ │ ├── types.ts # Person, Cadence, Activity types
│ │ ├── paginator.ts # AsyncGenerator pagination
│ │ └── errors.ts # SalesloftApiError class
│ ├── services/
│ │ ├── people-sync.ts # Bidirectional people sync
│ │ ├── cadence-manager.ts # Cadence CRUD + enrollment
│ │ └── activity-tracker.ts # Email/call activity aggregation
│ ├── webhooks/
│ │ ├── handler.ts # Signature verification + routing
│ │ └── processors/ # Per-event-type processors
│ ├── jobs/
│ │ ├── incremental-sync.ts # Cron: sync changed records
│ │ └── engagement-report.ts# Cron: aggregate daily metrics
│ └── api/
│ ├── health.ts # /health endpoint
│ └── webhooks.ts # /webhooks/salesloft endpoint
├── config/
│ ├── default.json
│ ├── production.json
│ └── test.json
└── tests/
├── unit/
└── integration/
```
## Architecture Diagram
```
┌─────────────────────────────────┐
│ API Layer │
│ /health /webhooks/salesloft │
├─────────────────────────────────┤
│ Service Layer │
│ PeopleSync CadenceManager │
│ ActivityTracker │
├─────────────────────────────────┤
│ SalesLoft Client │
│ Typed API Pagination Retry │
├─────────────────────────────────┤
│ Infrastructure │
│ Redis Cache BullMQ Jobs │
│ PostgreSQL Prometheus │
└─────────────────────────────────┘
│ ▲
▼ │
┌─────────────────────────────────┐
│ SalesLoft REST API v2 │
│ /people /cadences /webhooks │
│ Rate: 600 cost/min │
└─────────────────────────────────┘
```
## Key Components
### Typed API Models
```typescript
// src/salesloft/types.ts
export interface SalesloftPerson {
id: number;
display_name: string;
email_address: string;
first_name: string;
last_name: string;
title: string | null;
company_name: string | null;
phone: string | null;
city: string | null;
state: string | null;
tags: string[];
created_at: string;
updated_at: string;
}
export interface SalesloftCadence {
id: number;
name: string;
current_state: 'draft' | 'active' | 'paused' | 'archived';
team_cadence: boolean;
counts: { people_count: number };
}
export interface SalesloftActivity {
id: number;
action_type: 'email' | 'phone' | 'other' | 'integration';
person_id: number;
cadence_id: number | null;
created_at: string;
}
```
### Service Layer Pattern
```typescript
// src/services/people-sync.ts
export class PeopleSyncService {
constructor(
private salesloft: SalesloftClient,
private db: Database,
private cache: LRUCache<string, any>,
) {}
async syncIncremental(): Promise<{ created: number; updated: number }> {
const lastSync = await this.db.getLastSyncTime('people');
const stats = { created: 0, updated: 0 };
for await (const person of this.salesloft.paginate<SalesloftPerson>(
'/people.json', { updated_at: { gt: lastSync } }
)) {
const existing = await this.db.findPersonBySlId(person.id);
if (existing) {
await this.db.updatePerson(person);
stats.updated++;
} else {
await this.db.createPerson(person);
stats.created++;
}
this.cache.delete(`person:${person.email_address}`);
}
await this.db.setLastSyncTime('people', new Date().toISOString());
return stats;
}
}
```
### Background Job
```typescript
// src/jobs/incremental-sync.ts
import { CronJob } from 'cron';
new CronJob('*/5 * * * *', async () => { // Every 5 minutes
const service = new PeopleSyncService(salesloft, db, cache);
const stats = await service.syncIncremental();
console.log(`Sync: +${stats.created} created, ~${stats.updated} updated`);
}).start();
```
## Error Handling
| Component | Failure Mode | Recovery |
|-----------|-------------|----------|
| API Client | 429 rate limit | Automatic retry with `Retry-After` |
| Webhook Handler | Invalid signature | Reject 401, log for investigation |
| Sync Job | Partial failure | Resume from last successful `updated_at` |
| Cache | Redis unavailable | Fall through to API (graceful degradation) |
## Resources
- SalesLoft API Reference
- [SalesLoft Developer Portal](https://developers.salesloft.com/)
## Next Steps
See individual skill docs for deep-dives on each component.
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