You will get API Development & Integration | Stripe CRM OpenAI | Python
Project details
Need Stripe payments, OpenAI integration, or a custom API built for your app? I have shipped 30+ API integrations across SaaS platforms, HealthTech systems, and marketplaces.
What I build:
→ Stripe payment integration with webhooks and subscription billing
→ OpenAI GPT-4 integration with prompt engineering and error handling
→ HubSpot, Salesforce, and CRM integrations with data sync
→ Google Calendar, Twilio, SendGrid, and third-party API connections
→ Custom REST and GraphQL APIs with JWT auth and documentation
→ Webhook architecture and real-time data pipelines
What's included:
→ Clean, documented code
→ API documentation (Swagger/OpenAPI)
→ Postman collection for testing
→ Security best practices (rate limiting, input validation)
→ Deployment to your server or cloud
Why me:
→ 30+ API integrations shipped in production
→ Stripe, OpenAI, HubSpot, HL7, Google Calendar — real integrations, not tutorials
→ I handle edge cases, retries, and error handling so your integration does not break at scale
Tell me what you need integrated. I will give you an accurate quote within a few hours
What I build:
→ Stripe payment integration with webhooks and subscription billing
→ OpenAI GPT-4 integration with prompt engineering and error handling
→ HubSpot, Salesforce, and CRM integrations with data sync
→ Google Calendar, Twilio, SendGrid, and third-party API connections
→ Custom REST and GraphQL APIs with JWT auth and documentation
→ Webhook architecture and real-time data pipelines
What's included:
→ Clean, documented code
→ API documentation (Swagger/OpenAPI)
→ Postman collection for testing
→ Security best practices (rate limiting, input validation)
→ Deployment to your server or cloud
Why me:
→ 30+ API integrations shipped in production
→ Stripe, OpenAI, HubSpot, HL7, Google Calendar — real integrations, not tutorials
→ I handle edge cases, retries, and error handling so your integration does not break at scale
Tell me what you need integrated. I will give you an accurate quote within a few hours
Programming Languages
JavaScript, Python, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$400
|
Standard
$1,000
|
Advanced
$2,500
|
|---|---|---|---|
| Delivery Time | 5 days | 14 days | 28 days |
Number of Revisions | 2 | 3 | 5 |
Number of Pages | 0 | 5 | 10 |
Design Customization | - | - | |
Content Upload | |||
Responsive Design | - | - | - |
Source Code |
About Muhammad
Full Stack Developer & AI Engineer | SaaS MVPs, AI Agents & RAG
Karachi, Pakistan - 4:20 pm local time
Over the last 5+ years, I've helped startups and businesses launch MVPs, automate operations, integrate AI into real workflows, and scale products beyond the prototype stage. Whether you're building an AI agent, a multi-tenant SaaS platform, a RAG application, or a custom business system, I focus on creating solutions that deliver business value, not just technical features.
𝐖𝐇𝐀𝐓 𝐌𝐀𝐊𝐄𝐒 𝐌𝐄 𝐃𝐈𝐅𝐅𝐄𝐑𝐄𝐍𝐓
Most developers focus on implementing requirements. I focus on understanding the business objective first, then designing the right technical solution around it.
I've worked directly with founders, startup teams, and growing businesses, helping them make architecture decisions, choose the right technology stack, and avoid expensive mistakes before development begins.
My approach combines product thinking, scalable architecture, and practical execution. Instead of building temporary solutions that need to be rewritten later, I build systems designed to grow with your business.
𝐏𝐑𝐎𝐕𝐄𝐍 𝐀𝐂𝐑𝐎𝐒𝐒 𝐒𝐓𝐀𝐑𝐓𝐔𝐏𝐒 & 𝐒𝐀𝐀𝐒 𝐏𝐑𝐎𝐃𝐔𝐂𝐓𝐒
I've worked on AI-powered SaaS platforms, voice AI products, workflow automation systems, multi-agent applications, healthcare solutions, travel platforms, and startup MVPs.
𝐑𝐞𝐜𝐞𝐧𝐭 𝐩𝐫𝐨𝐣𝐞𝐜𝐭𝐬 𝐢𝐧𝐜𝐥𝐮𝐝𝐞:
• 𝐕𝐈𝐋𝐃 — AI voice generation platform with subscription management, credit systems, voice synthesis workflows, Stripe billing, and multi-tenant architecture.
• 𝐓𝐚𝐫𝐚 𝐀𝐠𝐞𝐧𝐭 𝐇𝐮𝐛 — AI-powered travel platform featuring quote generation, itinerary building, CRM workflows, supplier integrations, Chrome extension tooling, and agent productivity systems.
• 𝐅𝐥𝐨𝐰𝐒𝐩𝐡𝐞𝐫𝐞 𝐀𝐈 — Workflow automation platform integrating AI capabilities with business process automation and operational workflows.
• 𝐕𝐨𝐢𝐜𝐞 𝐀𝐈 & 𝐁𝐨𝐨𝐤𝐢𝐧𝐠 𝐒𝐲𝐬𝐭𝐞𝐦𝐬 — AI-powered appointment scheduling, lead qualification, and customer support systems using modern conversational AI technologies.
• 𝐇𝐞𝐚𝐥𝐭𝐡𝐜𝐚𝐫𝐞 𝐏𝐥𝐚𝐭𝐟𝐨𝐫𝐦𝐬 — Patient engagement systems, workflow automation, dashboard applications, and AI-assisted healthcare processes.
𝐖𝐇𝐀𝐓 𝐂𝐋𝐈𝐄𝐍𝐓𝐒 𝐕𝐀𝐋𝐔𝐄
Clients consistently appreciate my ability to:
✔ Think beyond the code and understand the business problem.
✔ Deliver production-ready solutions instead of quick prototypes.
✔ Communicate clearly throughout the project lifecycle.
✔ Take ownership of architecture, development, and deployment.
✔ Recommend simpler and more cost-effective approaches when appropriate.
✔ Act as a technical partner rather than simply a contractor.
𝐖𝐇𝐀𝐓 𝐈 𝐁𝐔𝐈𝐋𝐃 𝐅𝐎𝐑 𝐘𝐎𝐔
→ AI SaaS Platforms & Startup MVPs
→ AI Agents & Agentic Workflows
→ RAG Systems & Knowledge Bases
→ OpenAI, Claude & Gemini Integrations
→ Multi-Tenant SaaS Architecture
→ Stripe Billing & Subscription Systems
→ CRM, ERP & Third-Party Integrations
→ Workflow Automation & Business Process Automation
→ Voice AI Applications
→ Dashboards & Internal Tools
→ Full-Stack Web Applications
→ API Development & Integrations
→ Cloud Infrastructure & Deployment
𝐂𝐎𝐑𝐄 𝐒𝐓𝐀𝐂𝐊 & 𝐊𝐄𝐘𝐖𝐎𝐑𝐃𝐒
Frontend: React, Next.js, TypeScript, JavaScript, Tailwind CSS
Backend: Python, FastAPI, Django, Node.js, NestJS, Express
AI & LLMs: OpenAI, Claude, Gemini, LangChain, RAG, Vector Databases, AI Agents
Databases: PostgreSQL, MySQL, MongoDB, Redis, Supabase, Firebase
Cloud & DevOps: AWS, Docker, CI/CD, Linux, Cloud Deployments
Integrations: Stripe, Twilio, HubSpot, Salesforce, REST APIs, GraphQL, Webhooks
Specialties: SaaS Development, AI SaaS, Startup MVPs, Automation Systems, Multi-Tenant Applications, Agentic AI, Voice AI, Workflow Automation, Product Architecture
If you're building an AI product, SaaS platform, automation system, or startup MVP and need someone who can contribute beyond coding alone, send me the details of what you're building. I'll give you a direct assessment of the best way to approach it and whether I'm the right fit.
Steps for completing your project
After purchasing the project, send requirements so Muhammad can start the project.
Delivery time starts when Muhammad receives requirements from you.
Muhammad works on your project following the steps below.
Revisions may occur after the delivery date.
Discovery Meeting