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Fiverr Pro
English
$
USD
I will build or fix rest apis and integrate third party services
Shubham K
About this gig
APIs are the backbone of every modern app. Whether you need a custom REST API built from scratch, a third-party service plugged in, or a broken integration fixed I've got you covered.
I've built and integrated APIs for SaaS tools, automation systems, and data pipelines. Stripe, OpenAI, Twilio, Google APIs, Shopify, Airtable I've connected them all.
- Custom REST APIs (CRUD endpoints, auth, rate limiting)
- Payment APIs: Stripe, Razor pay, PayPal
- AI APIs: OpenAI, Claude, Gemini, Stable Diffusion
- Communication: Twilio SMS, SendGrid, Mailchimp
- Webhook receivers and event-driven systems
- Deliverables: API code + Postman collection + deployment + error handling
Get to know Shubham K
Shubham K
Full Stack Developer
- FromIndia
- Member sinceMar 2026
Languages
English
I build automation systems and web apps that save businesses 10–20 hours every week.
Full stack developer with 5+ years experience specializing in:
→ Workflow Automation (n8n, Make, Zapier)
→ REST API Development & third-party integrations (Stripe, OpenAI, Twilio)
→ SaaS & Web Apps (React, Node.js dashboards and portals)
Built automation pipelines processing 6,000+ business leads. I deliver systems that run 24/7 without manual work.
Message before ordering. Free workflow consultation and fast response.
Other Software Development Services I Offer
FAQ
Can you integrate OpenAI / ChatGPT?
Yes — chat completions, function calling, embeddings, assistants API. I've built AI-powered apps with OpenAI and Anthropic's Claude API.
What if I already have a backend?
No problem. Share your repo and I'll integrate into your existing codebase cleanly without breaking anything.
Do you write tests?
Unit tests are available as an add-on. Standard and Premium packages include error handling and logging which catches issues in production.
Can you fix my existing broken API?
Yes — API audits and bug fixing are available. Message me with a description of the issue before ordering.
