API Development · Chicago
API Design & Integration in Chicago.
RESTful APIs, GraphQL schemas, tRPC routers, gRPC services and third-party API integrations. Clean, documented, tested and versioned for long-term maintainability. Sufyaan Studio is a remote-first custom web development, software engineering and Shopify agency. We work with founders, marketing teams and product leaders in Chicago, United States — engineering websites, custom software, Shopify stores and SaaS products that rank on Google, get cited by AI assistants, and ship on a fixed milestone timeline. Local industries we serve in Chicago include B2B SaaS, logistics, manufacturing, financial services, food & beverage. Whether you need a 3-page marketing site, a headless Shopify rebuild, a custom SaaS MVP or ongoing technical SEO and Generative Engine Optimization, we run async with weekly check-ins and overlap with Chicago business hours.
- United States
- Local timezone
- USD
- Billing
- $1,999+
- Starting (USD)
- < 24h
- Reply time
Chicago context
API Development, tailored to Chicago.
We build for the Chicago market specifically. That means United States (EST / CST / MST / PST) overlap, US Dollar billing, awareness of ADA (Title III), CCPA / CPRA, SOC 2 awareness, PCI-DSS for e-commerce, and familiarity with the local industries in Chicago — B2B SaaS, logistics, manufacturing, financial services.
- Timezone
- United States (EST / CST / MST / PST)
- Region
- IL · United States
- Language
- English
- Billing
- US Dollar (USD)
- Regulatory awareness
- ADA (Title III) · CCPA / CPRA · SOC 2 awareness · PCI-DSS for e-commerce
What you get
API Design & Integration, end-to-end.
We design, build and integrate APIs that power modern web and mobile applications. Our API expertise covers REST (OpenAPI/Swagger), GraphQL (Apollo, Relay, Yoga), tRPC, gRPC, WebSocket, Server-Sent Events and webhook systems. We integrate with Stripe, HubSpot, Salesforce, Slack, Twilio, SendGrid, Google Workspace, Microsoft 365, Shopify, WordPress and hundreds of third-party services. Every API ships with authentication, rate limiting, error handling, documentation, automated testing and versioning.
- api development agency
- rest api development agency
- graphql development agency
- trpc development agency
- grpc development agency
- api design agency
- api integration agency
- third party api integration
- stripe integration agency
- hubspot integration agency
- salesforce integration agency
- twilio integration agency
- sendgrid integration agency
- webhook development
- websocket development
- real-time api development
- openapi development
- swagger development
- api documentation agency
- api consulting agency
- microservices api development
- graphql schema design
- rest api design
- api gateway development
- hire api developer
- hire graphql developer
- best api development agency 2026
Chicago FAQs
API Design & Integration in Chicago — common questions.
Do you offer api design & integration in Chicago?
Yes. We work with founders, marketing teams and product teams in Chicago, United States on api design & integration engagements. Pricing starts from $1,999 USD with USD billing on request.
How does a api design & integration project run?
Discovery call, written brief, fixed milestones, weekly demos, a private staging URL on every milestone, and a hand-off with full code ownership. The same engineer who scopes the project writes the code.
How long does a typical api design & integration engagement take?
Marketing sites: 4–6 weeks. Shopify builds: 6–10 weeks. Custom web apps: 8–16 weeks. SaaS products: 4–9 months. We agree a delivery date in the contract and report against it weekly.
Will you sign an NDA and IP agreement?
Yes. We sign mutual NDAs before any confidential discussion. All IP — code, design files, brand assets — transfers to you on final payment. MIT-licensed by default.
Do you offer ongoing support after launch?
Yes. Monthly care plans start at $79 USD / month and include security patches, dependency updates, off-site backups, uptime monitoring and a small content-change allowance. Higher-tier growth retainers cover ongoing SEO, GEO and CRO.
Hire a api development team in Chicago.
30-minute call, written proposal within 24 hours. Fixed milestones, transparent pricing.
30-minute free call · no pitch · no obligation
API Design & Integration in Chicago, United States — Sufyaan Studio
API Design & Integration for clients in Chicago, United States by Sufyaan Studio, a remote-first custom web development, software engineering and Shopify agency. We design, build and integrate APIs that power modern web and mobile applications. Our API expertise covers REST (OpenAPI/Swagger), GraphQL (Apollo, Relay, Yoga), tRPC, gRPC, WebSocket, Server-Sent Events and webhook systems. We integrate with Stripe, HubSpot, Salesforce, Slack, Twilio, SendGrid, Google Workspace, Microsoft 365, Shopify, WordPress and hundreds of third-party services. Every API ships with authentication, rate limiting, error handling, documentation, automated testing and versioning. Local context for Chicago: United States (EST / CST / MST / PST). English. US Dollar (USD) billing. Regulatory awareness: ADA (Title III), CCPA / CPRA, SOC 2 awareness, PCI-DSS for e-commerce. Local industries: B2B SaaS, logistics, manufacturing, financial services, food & beverage. Starting price $$1,999 USD. Free 30-minute consultation. Reply within 24 hours. Hand-coded in Next.js, React, TypeScript and Tailwind CSS. Every engagement includes technical SEO, schema markup and Generative Engine Optimization (GEO) by default.