n4nAI

Topic

Ruby on Rails LLM Integration

12 posts on ruby on rails llm integration — part of api integration on the n4n AI blog.

API integrationHow-to

Testing LLM API integrations in RSpec with VCR

Learn how to test Ruby LLM integrations reliably with rspec vcr llm api testing: record HTTP calls, fake latency, and assert token usage.

4 min read
API integrationHow-to

Streaming LLM responses to the browser with ActionCable

A practical guide to rails actioncable llm streaming: wire Ruby on Rails WebSockets to an LLM API and push token deltas to the browser live.

3 min read
API integrationHow-to

Storing LLM API keys with Rails encrypted credentials

A practical guide to managing Rails encrypted credentials API key storage for LLM services, including setup, rotation, and verification steps.

4 min read
API integrationHow-to

Rate limiting LLM requests in Rails with rack-attack

Implement rails rack-attack llm rate limiting to protect your Rails app and LLM provider quotas. Step-by-step throttling, token-aware guards, and tests.

4 min read
API integrationComparison

Net::HTTP vs Faraday for Ruby LLM API clients

A pragmatic head-to-head comparison of Net::HTTP vs Faraday for Ruby LLM API clients, covering ergonomics, latency, and ecosystem tradeoffs.

4 min read
API integrationHow-to

Handling timeouts in Ruby LLM API clients

Learn practical ruby llm api timeout handling: configure connect/read timeouts, retry with backoff, circuit breakers, and verify with fault injection.

3 min read
API integrationHow-to

Background LLM calls in Rails with Sidekiq

Step-by-step guide to implementing rails sidekiq background llm calls: job design, retries, idempotency, and streaming without blocking web requests.

4 min read
API integrationTutorial

The ruby-openai gem: a quick integration guide

Hands-on ruby-openai gem integration tutorial for Rails: install, configure, stream chat, handle errors, and target any OpenAI-compatible endpoint with code.

2 min read
API integrationHow-to

Switching a Rails app from OpenAI to n4n

Step-by-step guide to switch a Rails app from OpenAI to n4n: repoint the API base, map models, and verify with tests. Includes runnable Ruby and curl snippets.

3 min read
API integrationTutorial

Calling the OpenAI API from Ruby on Rails with Faraday

A hands-on tutorial for Rails engineers: wire up Faraday to call the OpenAI API from Ruby on Rails, handle auth, streaming, and errors with runnable code.

3 min read
API integrationTutorial

Building a chat feature in Rails with Hotwire and n4n

Hands-on tutorial: build a Rails Hotwire chat feature backed by n4n's OpenAI-compatible LLM gateway. Models, controllers, Turbo streams, and code.

3 min read
API integrationGuide

ActiveJob retry strategies for failed LLM API calls

Practical ActiveJob retry patterns for resilient Rails integrations with LLM APIs, covering backoff, idempotency, provider fallback, and queue tuning.

4 min read