Developer Guide Sample For An API Company

Getting Started with SentinelAPI

Developer Guide Sample

Introduction

SentinelAPI is a REST-based platform that allows developers to embed real-time event processing, monitoring, and workflow automation into their applications.

This guide will walk you through the fundamentals of working with the SentinelAPI platform which includes authentication, request structure, error handling, and best practices.

Prerequisites

Before you begin, you should have:

• A SentinelAPI account

• An API key

• Basic knowledge of HTTP and REST APIs

• A key environment (Node.js, Python, or similar)

Authentication

All requests made to SentinelAPI must include an API key.

Include the following header in every request:

Authorization: Bearer YOUR_API_KEY

Keep your API key a secret. Do not expose it in a client-side code.

Making Your First Request

To verify your setup, send a test event.

POST https://api.sentinelapi.com/v1/events

Request body:

{ "source": "demo-app", "type": "info", "message": "Hello from SentinelAPI", "timestamp": "2026-01-15T12:00:00Z" }

If successful, you'll receive:

{ "status": "received", "event_id": "evt_0001" }

Clear Understanding of API Responses

All responses are returned in JSON.

Successful responses include a status field.

Errors return an error object with a code and message.

Limiting Rates 

Each account is limited to 1,000 requests per minute.

Exceeding this limit returns a 429 status code.

Use retries with exponential backoff when needed.

Error Handling

Always check the HTTP status code.

Common errors: 400 – invalid request

401 – authentication failed

429 – rate limit exceeded

500 – server error

Handle these gracefully in your applications.

Security Best Practices

• Store API keys in environment variables

• Rotate keys regularly

• Never log secrets

• Restrict IP access if supported

Next Steps

You can now: • Create events

• Retrieve analytics

• Trigger workflows

• Manage resources

Explore additional endpoints to extend your integration.



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