Topic

Rust LLM API Client

12 posts on rust llm api client — part of api integration on the n4n AI blog.

The async-openai crate: a quick start guide

Hands-on tutorial for the async-openai crate rust client: configure, call chat completions, stream tokens, and target any OpenAI-compatible LLM gateway.

July 17, 20262 min read

API integrationHow-to

Streaming chat completions in Rust with SSE

Build rust sse streaming chat completions in Rust: configure tokio and reqwest, parse Server-Sent Events manually, extract deltas, and verify token output.

July 17, 20262 min read

API integrationComparison

Rust vs Go for building LLM API clients

A hands-on engineering comparison of Rust vs Go for building LLM API clients across latency, ergonomics, ecosystem, and cost tradeoffs with code examples and a verdict for different use cases.

July 17, 20264 min read

API integrationHow-to

Retry logic for Rust LLM API clients

Practical guide to building robust rust llm api retry logic with exponential backoff, jitter, and correct error classification for LLM clients.

July 17, 20263 min read

API integrationHow-to

Rate limit handling in Rust LLM API clients

A practical guide to implementing robust Rust LLM API clients that gracefully handle rate limits using retries, backoff, and token buckets.

July 17, 20263 min read

API integrationTutorial

Parsing LLM API responses in Rust with serde_json

A hands-on Rust tutorial for parsing LLM API chat completion responses with serde_json, from defining structs to handling real provider quirks.

July 17, 20262 min read

API integrationGuide

Error handling for LLM API clients in Rust with thiserror

A practical guide to building robust Rust LLM API clients with thiserror: modeling transport, provider, and parsing failures without leaking internals.

July 17, 20264 min read

API integrationGuide

Connection pooling for LLM APIs with reqwest

Practical guide to rust reqwest connection pooling for LLM APIs: configure clients, tune pool sizes, avoid pitfalls, and reuse connections efficiently.

July 17, 20264 min read

API integrationHow-to

Compiling a Rust LLM client to WASM

Build a rust LLM client that compiles to WebAssembly: set up toolchain, use reqwest wasm, bind with wasm-bindgen, and test in the browser.

July 17, 20263 min read

API integrationTutorial

Building a Rust CLI tool for LLM chat completions

Build a Rust CLI tool for LLM chat completions with the OpenAI API. Step-by-step tutorial covering reqwest, streaming, and model routing.

July 17, 20262 min read

API integrationTutorial

Calling the OpenAI API from Rust with reqwest

A hands-on Rust tutorial for calling the OpenAI API with reqwest. Build a minimal chat client, handle streaming, errors, and auth step by step.

July 16, 20263 min read

API integrationHow-to

Async LLM API calls in Rust with tokio

A practical step-by-step guide to building a production-grade rust tokio async llm api client with concurrent calls, token streaming, retries, and a verification checklist.

July 16, 20263 min read