Custom API Development & Integration Services – Automate Workflows and Connect Your Apps


api development servicesapi integration servicesrest api development services
Basic
Pro
Pro Plus
$200
Build a simple REST API with limited endpoints — ideal for small automation tasks or PDF generation workflows.
Delivery time: 12 days 05 revisions
  • Up to 3 API endpoints
  • Basic REST API structure
  • Simple data exchange (JSON format)
  • Basic authentication (API key)
  • PDF Generator API support
  • Documentation & usage guide
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$500
Develop a medium-scale REST API with third-party integration and automation features — ideal for connecting apps or CRMs.
Delivery time: 15 days 05 revisions
  • Up to 10 API endpoints
  • REST or GraphQL API architecture
  • Third-party API integration (e.g., HubSpot, Google Sheets)
  • PDF Generator API with templates
  • Automation & scheduling setup
  • Authentication via API Key / Token
  • Full documentation & deployment support
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$950
Build a fully customized API system with advanced integrations, PDF automation, and secure authentication — ideal for enterprise workflows.
Delivery time: 20 days 05 revisions
  • Unlimited API endpoints
  • REST or GraphQL API with webhooks
  • Advanced automation & real-time sync
  • HubSpot / Salesforce / Zoho integration
  • Secure OAuth 2.0 or JWT authentication
  • Dynamic PDF creation and email delivery
  • Monitoring dashboard & analytics API
  • End-to-end testing & deployment support
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About This Service

Looking to connect your systems, automate data exchange, or build powerful APIs for your web app? We specialize in custom API development and integration services that streamline business workflows, eliminate manual data handling, and connect your apps securely across platforms.

Whether you need a REST API development service for your web app, a custom PDF generator API, or an automation API that links your CRM with Google Sheets — our team delivers secure, scalable, and production-ready API solutions tailored to your business needs.

🎯 What We Offer

  • Custom API Development Services: Build secure RESTful or GraphQL APIs for your website, SaaS platform, or internal systems.
  • API Integration Services: Seamlessly connect third-party services such as HubSpot, Salesforce, Zoho, Google Sheets, or Stripe.
  • Custom API Automation: Automate data syncing, form submissions, reporting, and more between multiple applications.
  • PDF Generator API: Create APIs that automatically generate invoices, certificates, or reports in PDF format — fully branded and formatted.
  • Data Transformation APIs: Convert, merge, or process Excel, CSV, or JSON data via secure endpoints.
  • Authentication & Security: Implement API key, OAuth 2.0, JWT, and encrypted communication for enterprise-grade protection.
  • Custom Dashboard & API Monitoring: View API usage statistics, logs, and health metrics in real time.

💡 Ideal Use Cases

  • CRM integrations – e.g., HubSpot API integration services for lead automation.
  • Invoice or certificate creation with a PDF generator API.
  • Automate website forms or data sync using a custom REST API.
  • Build internal APIs for reporting, tracking, and analytics.
  • Connect your CMS, CRM, and eCommerce systems with real-time data flow.

🧩 Technologies & Frameworks

  • Python, Node.js, PHP
  • REST API, JSON, OAuth 2.0
  • Google Sheets, HubSpot API, Salesforce API, Zapier
  • PDF Generation APIs
  • Database Integration (e.g. MySQL, Firebase)
Languages & Tools
Python, Node.js, PHP, REST, GraphQL, OAuth, JSON, Flask, FastAPI
Expertise
API Development, Automation, PDF Generator API, HubSpot API Integration, RESTful Architecture

Packages

We offer three API development packages tailored for different project scales and integration levels.

Feature US$200
Starter
US$500
Pro
US$950
Premium
Suitable ForSimple API endpoints or PDF generatorMedium APIs with integration and automationEnterprise-grade API systems with multiple integrations
API TypeRESTRESTREST + Webhooks
EndpointsUp to 3Up to 10Custom (Unlimited)
PDF Generation Support✓ (Custom Template)✓ (Dynamic Data + Branding)
Third-Party API Integration-✓ (CRM, Payment, Cloud)
Automation / Scheduling-✓ (Real-Time Sync)
Security & Authentication✓ (Basic)✓ (API Key / Token)✓ (OAuth 2.0 / JWT)
Delivery Time12 Days15 Days20 Days
Revisions050505

Let’s build secure, scalable, and automation-ready APIs that connect your business systems, generate PDFs, and transform your workflows into efficient digital pipelines.

FAQ

We offer end-to-end custom API development services including REST API development, GraphQL APIs, and automation APIs. Our solutions handle data exchange, integrations, and business process automation across web apps, CRMs, and third-party platforms.

Yes! We specialize in API integration services for popular platforms such as HubSpot, Salesforce, Zoho, Google Sheets, Stripe, and custom CRMs. We can automate data sync, lead transfers, and reporting between your existing systems.

Absolutely. We can build a secure PDF Generator API that automatically creates invoices, certificates, or reports using your custom templates and data. The generated PDFs can be downloaded, emailed, or stored in your system.

Yes. We can automate your business workflows by creating APIs that run scheduled or event-based tasks such as data updates, reporting, notifications, and email automation — all without manual input.

Security is our top priority. All APIs are built with authentication layers such as API keys, OAuth 2.0, or JWT tokens. We also implement HTTPS encryption and access control to protect your business data and prevent unauthorized access.

Yes! Our custom API integration services allow you to connect multiple platforms such as your website, CRM, database, and analytics tools. You can sync data between apps in real-time or set up automated sync intervals.

Yes, all APIs come with complete developer-friendly documentation and setup assistance. We’ll help you integrate the API on your website or backend and ensure it’s working perfectly.

Yes. We can create private APIs that run within your organization for internal use only — ideal for company dashboards, data pipelines, or restricted-access integrations.

Yes, we provide up to 5 free revisions to fine-tune your API for full functionality. If you’re still not satisfied after adjustments, we’ll issue a full 100% refund — your satisfaction is guaranteed.

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