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$
USD
I will do shopify, squarespace quickbooks API app integration for your business
Williams
About this gig
Are you struggling to connect your Shopify, Squarespace, or QuickBooks systems?
Im a professional Shopify Plus & Squarespace expert with strong experience in API integrations and automation, helping businesses save time, reduce manual work, and scale faster.
What I Can Do For You
- Shopify API integration
- Squarespace custom integrations
- QuickBooks API (sync orders, invoices, customers)
- Automation between platforms
- Payment & checkout integrations
- Third-party app/API connections
- Custom workflows & backend logic
Why Work With Me?
- Clean, scalable code
- Fast delivery & clear communication
- Business-focused solutions (not just tech)
- 100% satisfaction guarantee
Use Cases
Sync Shopify orders to QuickBooks automatically
Connect Squarespace forms to CRM or database
Automate accounting & invoicing
Build custom API workflows
IMPORTANT
Please message me before placing an order so I can understand your project and recommend the best solution.
Respect third-party rights
Please be aware that it is against Fiverr's policies for sellers to include themes, templates, or any other elements that infringe third-party rights or applicable laws in the delivered work. Read more about in our Guide to Responsible Digital Creation.
Get to know Williams
Williams
Shopify Plus Squarespace Expert Ecommerce Developer Conversion Specialist
- FromNigeria
- Member sinceApr 2026
- Avg. response time5 hours
Languages
English
I’m a Shopify Plus and Squarespace expert with a strong focus on building high performing, visually appealing, conversion driven websites.
I help businesses launch, and optimize their online stores by combining clean design, user experience, powerful backend functionality. Whether you need a brand new store, or redesign, I deliver the best drive real results
What I Do:
Shopify & Shopify Plus store setup & customization
Squarespace website design & development
Theme customization (HTML, CSS, Liquid)
Conversion rate optimization
App integration and automation
Payment gateway and checkout setup
FAQ
Do I need to contact you before placing an order?
Yes, I highly recommend messaging me first so I can understand your project and suggest the best solution.
What platforms do you work with?
I work with Shopify, Shopify Plus, Squarespace, QuickBooks, and other third party APIs.
What do you need from me to get started?
I will need: Platform access (Shopify / Squarespace / QuickBooks) API keys or documentation (if available) A clear description of your requirements
Can you automate my business processes?
Yes! I specialize in automation such as syncing orders, invoices, customer data, and custom workflows.
Do you fix existing integration issues or bugs?
Absolutely. I can debug, fix, and optimize any existing API or integration problems.
