API Development & Integration Services
APIs connect systems that need to share data or trigger actions across platforms. We develop custom APIs for your applications and integrate with third-party services: payment processors, CRMs, accounting software, shipping carriers, and marketing platforms. Integration eliminates manual data entry, enables automation, and creates workflows spanning multiple systems. Detroit manufacturers and Grand Rapids distributors connect disparate systems into unified operations. Development includes RESTful API design, authentication and security implementation, webhook configuration for real-time updates, and error handling for reliability. We document APIs thoroughly for future development and provide testing tools. Common integrations include connecting websites to Salesforce, syncing orders with QuickBooks, automating shipping label creation, and triggering email campaigns from form submissions. Custom API development enables unique competitive capabilities: customer portals pulling data from multiple sources, automated reporting combining systems, or mobile apps accessing business data securely.
The Challenge
Many businesses struggle with api development & integration. Whether it's finding the right expertise, managing costs, or getting results that actually drive growth - the process can be overwhelming and expensive.
Our Solution
APIs connect systems that need to share data or trigger actions across platforms. We develop custom APIs for your applications and integrate with third-party services: payment processors, CRMs, accounting software, shipping carriers, and marketing platforms. Integration eliminates manual data entry, enables automation, and creates workflows spanning multiple systems. Detroit manufacturers and Grand Rapids distributors connect disparate systems into unified operations. Development includes RESTful API design, authentication and security implementation, webhook configuration for real-time updates, and error handling for reliability. We document APIs thoroughly for future development and provide testing tools. Common integrations include connecting websites to Salesforce, syncing orders with QuickBooks, automating shipping label creation, and triggering email campaigns from form submissions. Custom API development enables unique competitive capabilities: customer portals pulling data from multiple sources, automated reporting combining systems, or mobile apps accessing business data securely. With 29 years of experience and transparent pricing, we deliver professional results that grow your business - without the enterprise price tag.
API Development & Integration Pricing
Choose the package that fits your needs. All prices are transparent with no hidden fees.
Launch
✅ Simple API integration (1-2 systems) ✅ RESTful API development ✅ Basic authentication ✅ Error handling ✅ API documentation ✅ Testing & deployment ✅ 30-day support
- REST API development
- Third-party integrations
- API documentation
- Authentication setup
- Rate limiting
- Error handling
Growth
✅ Everything in Launch, plus: ✅ Multiple API integrations (3-5 systems) ✅ Webhook implementation ✅ OAuth 2.0 authentication ✅ Rate limiting ✅ API monitoring ✅ Version management ✅ 3 months support
- REST API development
- Third-party integrations
- API documentation
- Authentication setup
- Rate limiting
- Error handling
Professional
✅ Everything in Growth, plus: ✅ Complex API architecture (6-10 systems) ✅ GraphQL APIs ✅ Microservices setup ✅ Message queues ✅ Real-time WebSockets ✅ Advanced monitoring ✅ 6 months priority support
- REST API development
- Third-party integrations
- API documentation
- Authentication setup
- Rate limiting
- Error handling
Enterprise
✅ Everything in Professional, plus: ✅ Enterprise API ecosystem (10+ systems) ✅ API gateway implementation ✅ Custom middleware ✅ Advanced security protocols ✅ Load balancing ✅ Dedicated DevOps support ✅ 12 months white-glove support
- REST API development
- Third-party integrations
- API documentation
- Authentication setup
- Rate limiting
- Error handling
What's Included
Every api development & integration project includes these essential features
REST API development
Third-party integrations
API documentation
Authentication setup
Rate limiting
Error handling
Our Process
Simple, transparent, and effective - here's how we work
Discovery
Free consultation to understand your needs, goals, and budget
Proposal
Clear scope, timeline, and pricing with no hidden fees
Execution
Professional delivery with regular updates and revisions
Support
Ongoing support, training, and maintenance
Frequently Asked Questions
Common questions about our api development & integration services
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API Development & Integration in Michigan
Based in Livonia, Michigan, AppWT provides professional api development & integration services to businesses across Michigan and the United States, backed by a web practice that began in 1997 and has operated as AppWT since 2005.
Whether you're in Detroit, Ann Arbor, Grand Rapids, or anywhere in between, we deliver the same exceptional quality and service that has earned us a BBB A+ rating and trust from businesses nationwide across the United States and in Canada, the United Kingdom, Australia, the Netherlands, and South Korea.
Contact Us
Ready to Get Started?
Contact us today for a free consultation. No commitment required - just honest advice on how we can help your business grow.
Who Delivers This Service
Founder-Led. Tony Paris Personally.
Every optimization strategy here (AIVO, GEO, SEO, AEO and VSO) is built, deployed and tuned by Tony Paris, founder of AppWT, with 29+ years of optimization experience since 1997. You hire a freelancer with a registered LLC behind him for trust. You don't hire an account manager and inherit a junior dev.
As Tony
Freelancer you can text. Same person quotes, builds, optimizes, and reports. Text: 833-797-6563.
As AppWT LLC
BBB A+ accredited, properly insured, registered Michigan entity. Real contracts, real records, real history. The LLC exists for your protection.
As The Optimization Team
Family-owned and led from Livonia, Michigan. Tony Paris assigns and manages specialist tasks across a vetted network of more than 400 independent contractors, most of them in the USA.
