Service

AI API Integration & LLM Applications

Integration of OpenAI, Claude, Gemini or other model APIs into an existing application. The workflow, data handling and failure behavior are designed as part of the build, and the result is handed over as production-ready source code with implementation notes.

01

AI API Integration & LLM Applications

Integration of OpenAI, Claude, Gemini or other model APIs into an existing application. The workflow, data handling and failure behavior are designed as part of the build, and the result is handed over as production-ready source code with implementation notes.

What this covers

  • OpenAI, ChatGPT, Claude or Gemini API integration into an existing app
  • RAG systems and assistants over proprietary data using LangChain, Pinecone or pgvector
  • Custom AI agents with function calling, tools and automation
  • LLM features for chat, summarization, classification, content and data pipelines
  • Deployment on Vercel or AWS
  • Clean source code and production-ready implementation
  • Fine-tuning, MCPs, vector search and hybrid RAG where needed

What you receive

  • A working AI feature integrated into the customer's application; configured OpenAI/ChatGPT/Claude/Gemini connection as scoped; RAG, agent, chatbot or LLM workflow where ordered; database/vector-store integration where required; tested source code; implementation notes/code comments; production-ready integration and deployment support where scoped.

Technologies

  • GPT
  • Gemini
  • Claude; JavaScript
  • Python
  • TypeScript; Next.js
  • AI SDK
  • LangChain
  • vector databases
Start this project

Pricing

Starting package.

This is the published entry package for this service. Larger or more complex work is quoted individually after a requirements review.

AI API Integration & LLM Applications

AI API Integration

$315

Best for Adding one well-defined AI capability to an application that already exists.

Integrate OpenAI, ChatGPT or Claude API into an app: one feature, tested, with source code.

Delivery
5 days
Revisions
Unlimited
  • AI model integration
  • Database integration
  • Source code
  • Detailed code comments
Request this package

Package pricing applies to the scope described. Requirements outside that scope are reviewed separately and included in a written proposal before any additional work begins. All prices are in US dollars (USD) and exclude any taxes that may apply. Larger or more complex projects are quoted individually.

How the work runs

1) Discuss the idea (Zoom available) → 2) Develop and test → 3) Deliver source code → 4) Deploy to production

Other services

Full-Stack AI SaaS Development · AI Chatbot & RAG Development · Browser Extension Development · JavaScript, React & Next.js Debugging · Authorized Data Extraction & API Automation · Authorized JavaScript Code Analysis & Maintenance

Next step

Start this project.

Send your requirements and we will confirm the scope, the package and the price in writing before anything is invoiced.