claudegoodies
Skill

api-integration

From sickn33

Designs event-driven architectures, webhook systems, API chaining flows, ETL pipelines, and integration patterns between services. Use whenever the user asks about webhooks, event streaming, API composition, connecting two or more APIs, building pipelines, Pub/Sub, Kafka topics, ETL...

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Repository
sickn33/agentic-awesome-skills
Status
Actively maintained
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Source file
plugins/agentic-awesome-skills-claude/skills/api-integration/SKILL.md

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The instructions Claude Code reads when this skill runs.

# API Integration Skill
## When to Use

Use this skill when you need designs event-driven architectures, webhook systems, API chaining flows, ETL pipelines, and integration patterns between services. Use whenever the user asks about webhooks, event streaming, API composition, connecting two or more APIs, building pipelines, Pub/Sub, Kafka topics, ETL...


Design integration patterns, webhook flows, event pipelines, and API composition strategies.

---

## Webhook Design

### Outbound Webhook Endpoint (from your system to 3rd party)
```
POST {subscriber_url}
Headers:
  Content-Type: application/json
  X-Webhook-Signature: hmac-sha256=<sig>
  X-Webhook-Event: order.created
  X-Webhook-Delivery: <uuid>
  X-Webhook-Timestamp: <unix-epoch>
```

**Payload envelope**
```json
{
  "event": "order.created",
  "delivery_id": "uuid",
  "created_at": "ISO8601",
  "data": { ... }
}
```

**Signature verification** (receiver side):
```python
import hmac, hashlib
expected = hmac.new(secret.encode(), payload_bytes, hashlib.sha256).hexdigest()
assert f"sha256={expected}" == request.headers["X-Webhook-Signature"]
```

### Inbound Webhook Registration API
```
POST   /api/v1/webhooks           — register subscriber URL + events
GET    /api/v1/webhooks           — list subscriptions
DELETE /api/v1/webhooks/{id}      — unsubscribe
POST   /api/v1/webhooks/{id}/test — fire test event
GET    /api/v1/webh
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