Custom API Development

Build Powerful APIs for Data Intelligence

Custom-built APIs that seamlessly integrate web scraping and data intelligence into your applications. RESTful, GraphQL, and real-time endpoints tailored to your needs.

GET /api/v1/products
{
  "data": [
    {
      "id": "prod_123",
      "name": "Wireless Headphones",
      "price": "$99.99",
      "competitor_prices": {
        "amazon": "$89.99",
        "walmart": "$94.99"
      },
      "availability": "in_stock",
      "last_updated": "2026-02-03T10:30:00Z"
    }
  ],
  "meta": {
    "total": 1547,
    "page": 1,
    "per_page": 20
  }
}

API Solutions We Build

From simple REST endpoints to complex real-time streaming APIs, we build solutions that perfectly match your technical requirements.

RESTful APIs

Clean, well-documented REST APIs with standard HTTP methods, JSON responses, and comprehensive error handling.

  • Standard HTTP methods
  • JSON/XML responses
  • Comprehensive documentation
  • Rate limiting & throttling

GraphQL APIs

Flexible GraphQL endpoints that let clients request exactly the data they need with powerful query capabilities.

  • Flexible data querying
  • Type-safe schemas
  • Real-time subscriptions
  • GraphQL Playground

Real-Time Streaming

WebSocket and Server-Sent Events for real-time data streaming with instant updates and live notifications.

  • WebSocket connections
  • Server-sent events
  • Real-time notifications
  • Connection management

Webhook Integration

Event-driven webhooks that automatically notify your systems when specific data changes occur.

  • Event-driven triggers
  • Retry mechanisms
  • Signature verification
  • Delivery tracking

Batch Processing APIs

Efficient bulk data processing with job queues, progress tracking, and asynchronous operations.

  • Bulk operations
  • Job queue management
  • Progress tracking
  • Error handling & retry

Custom Integrations

Tailored API solutions that integrate seamlessly with your existing systems and workflow requirements.

  • System-specific designs
  • Legacy system support
  • Protocol adaptation
  • Custom authentication

API Documentation & Examples

Comprehensive documentation with real examples and interactive testing capabilities.

Product Intelligence API

GET

Get comprehensive product data including pricing, availability, and competitor information.

GET /api/v1/products/{product_id}
Response (200 OK)
{
  "id": "prod_123",
  "name": "Wireless Headphones",
  "brand": "TechBrand",
  "sku": "WH-1000XM4",
  "current_price": {
    "amount": 99.99,
    "currency": "USD"
  },
  "competitor_analysis": {
    "min_price": 89.99,
    "max_price": 119.99,
    "avg_price": 104.99
  },
  "availability": {
    "status": "in_stock",
    "quantity": 150,
    "restock_date": null
  },
  "last_updated": "2026-02-03T10:30:00Z"
}

Real-Time Alerts API

POST

Set up custom alerts for price changes, stock updates, and other events.

POST /api/v1/alerts
Request Body
{
  "name": "Price Drop Alert",
  "product_id": "prod_123",
  "trigger": {
    "type": "price_change",
    "threshold": -5.0,
    "comparison": "percentage"
  },
  "notifications": [
    {
      "type": "webhook",
      "url": "https://yourapp.com/webhook",
      "headers": {
        "Authorization": "Bearer token"
      }
    },
    {
      "type": "email",
      "recipients": ["alerts@yourcompany.com"]
    }
  ]
}

Batch Data Processing

POST

Process large datasets with asynchronous job handling and progress tracking.

POST /api/v1/jobs/batch-scrape
Response (202 Accepted)
{
  "job_id": "job_456789",
  "status": "queued",
  "created_at": "2026-02-03T10:45:00Z",
  "estimated_completion": "2026-02-03T11:15:00Z",
  "total_items": 10000,
  "processed_items": 0,
  "progress_url": "/api/v1/jobs/job_456789/status",
  "result_url": "/api/v1/jobs/job_456789/results"
}

WebSocket Streaming

WS

Real-time data streaming with instant updates and event notifications.

WSS /api/v1/stream
Live Event
{
  "event": "price_change",
  "timestamp": "2026-02-03T10:30:15Z",
  "data": {
    "product_id": "prod_123",
    "old_price": 99.99,
    "new_price": 89.99,
    "change_percentage": -10.0,
    "source": "competitor_site"
  }
}

SDKs & Integration Tools

Get started quickly with our comprehensive SDKs and integration tools.

Python SDK

Full-featured Python library with async support

pip install krawlx-python

Node.js SDK

TypeScript-first with Promise-based API

npm install krawlx-js

Java SDK

Spring Boot integration with reactive streams

Maven / Gradle

HTTP Client

Standard HTTP requests from any language

curl / fetch / axios

Quick Start Example

from krawlx import KrawlxClient

# Initialize client
client = KrawlxClient(api_key="your_api_key")

# Get product data
product = client.products.get("prod_123")
print(f"Current price: {product.current_price}")

# Set up real-time alerts
alert = client.alerts.create({
    "name": "Price Drop Alert",
    "product_id": "prod_123",
    "trigger": {"type": "price_change", "threshold": -5.0}
})

# Stream real-time updates
for event in client.stream.listen("price_changes"):
    print(f"Price changed: {event.data}")

API Development Process

From requirements gathering to production deployment, we follow industry best practices.

1

Requirements Analysis

Understanding your data needs, integration requirements, and performance expectations.

2

API Design

Creating detailed API specifications, data models, and endpoint documentation.

3

Development

Building robust APIs with proper error handling, validation, and security measures.

4

Testing & QA

Comprehensive testing including unit tests, integration tests, and performance validation.

5

Deployment

Production deployment with monitoring, documentation, and ongoing support.

Ready to Build Your Custom API?

Let's discuss your requirements and build an API solution that perfectly fits your needs. From simple REST endpoints to complex real-time systems.