
Integrate Claude AI into your app with streaming and tool use
Delivery in
5 days
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What you get with this Offer
You bring an existing web or SaaS product; I'll wire in Claude (Anthropic's API) so it works in production — not a demo.
What you get:
• A working Claude integration in your stack (Node, Next.js, Angular, Python — your choice)
• Streaming responses so the UI feels instant
• Prompt caching set up properly so repeated context isn't billed twice
• Tool use / function calling if your feature needs the model to act, not just chat
• Sensible model choice — Opus, Sonnet or Haiku — based on your latency and cost budget
• Error handling, retries and basic observability so you can see what's happening when something breaks
• A short walkthrough of how it's wired, so your team can take it from there
I work against your existing repo or a clean branch — your call. Code is yours, no lock-in, no proprietary wrapper.
Background: I've shipped Claude into multiple live products of my own — a multilingual relationship-letters product, a personal-context chat app, and a Claude output cleanup tool — and built the full stack each time (Next.js, Angular, Stripe, Railway, Vercel). I know the rough edges of the API and where people lose time.
What you get:
• A working Claude integration in your stack (Node, Next.js, Angular, Python — your choice)
• Streaming responses so the UI feels instant
• Prompt caching set up properly so repeated context isn't billed twice
• Tool use / function calling if your feature needs the model to act, not just chat
• Sensible model choice — Opus, Sonnet or Haiku — based on your latency and cost budget
• Error handling, retries and basic observability so you can see what's happening when something breaks
• A short walkthrough of how it's wired, so your team can take it from there
I work against your existing repo or a clean branch — your call. Code is yours, no lock-in, no proprietary wrapper.
Background: I've shipped Claude into multiple live products of my own — a multilingual relationship-letters product, a personal-context chat app, and a Claude output cleanup tool — and built the full stack each time (Next.js, Angular, Stripe, Railway, Vercel). I know the rough edges of the API and where people lose time.
Get more with Offer Add-ons
-
I can add RAG / vector-database support so Claude can answer over your own docs or data
Additional 3 working days
+$270 -
I can deliver all work in 1 working day
+$203
What the Freelancer needs to start the work
To get moving I'll need:
• Access to your repo, or a clear description of the stack if you'd prefer I work on a branch you merge
• An Anthropic API key (I can walk you through creating one)
• A short description of the feature: what should Claude do, who is the user, and what does success look like
• Any constraints up front — latency budget, monthly cost ceiling, model preference, regulated data
If you don't have an API key yet, that's fine — I'll guide you through provisioning one before we start.
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