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Fiverr Pro
English
$
USD
I will develop graphql API, shopify API, rest API and webhook integrations
Jamfaux J
About this gig
Need help with GraphQL API, Shopify API, REST API, or webhook integration? I can build reliable API solutions that connect your website, Shopify store, web app, mobile app, CRM, database, or third-party platforms.
My services include:
- GraphQL API development & integration
- Shopify API & GraphQL integration
- REST API & third-party API integration
- Webhook setup and automation
- JWT, OAuth & API key authentication
- MySQL, PostgreSQL & MongoDB integration
- API debugging, testing & optimization
- React/Next.js API integration
- Node.js, Express.js, NestJS, FastAPI & Django backends
- Custom API connections and data synchronization
Whether you need to connect Shopify with another platform, build a custom GraphQL API, integrate multiple APIs, automate webhook events, or fix an existing integration, I can help.
Why work with me?
- Clean & scalable code
- Secure integrations
- Error handling & testing
- Source code and documentation
- Clear communication
Send me your requirements or API documentation, and let's build a reliable integration that works for your business.
Get to know Jamfaux J
Jamfaux J
Stripe API Expert Payment Gateway and Webhook Integration Specialist
- FromUnited States
- Member sinceMay 2026
- Avg. response time1 hour
Languages
Spanish
I help businesses and startups solve Stripe API issues, payment integration problems, webhook failures, and subscription setup challenges. From checkout flows to full payment systems, I build secure, scalable, and reliable solutions across Stripe, APIs, and backend systems. Focused on fast fixes, clean integration, and smooth payment experiences for SaaS, apps, and eCommerce platforms.
FAQ
What APIs can you integrate?
I can integrate GraphQL, REST, Shopify, webhooks, payment APIs, CRM APIs, database APIs, and other third-party APIs depending on your project requirements.
Can you integrate Shopify GraphQL API?
Yes. I can integrate Shopify GraphQL API for products, orders, customers, inventory, metafields, and custom Shopify applications or external systems.
Can you connect multiple APIs together?
Yes. I can connect multiple APIs and systems, such as Shopify, CRM platforms, databases, payment services, and custom applications using REST, GraphQL, webhooks, and custom backend logic.
Can you fix an existing API or webhook integration?
Yes. I can troubleshoot API errors, authentication problems, failed webhooks, incorrect responses, GraphQL query issues, and integration failures.
What do you need to get started?
Please provide your project requirements, API documentation or endpoint details, authentication credentials/test keys where applicable, and information about the systems you want to connect.
