Topic

cURL LLM API Cookbook

15 posts on curl llm api cookbook — part of api integration on the n4n AI blog.

Uploading files to an LLM API with curl multipart forms

Learn how to perform a curl multipart file upload llm api request from CLI with step-by-step examples for vision, documents, and errors.

July 17, 20264 min read

API integrationHow-to

Testing API key auth with curl before writing code

Learn how to curl test api key authentication against LLM endpoints before writing code. Step-by-step CLI checks for bearer tokens, error cases, and live calls.

July 17, 20264 min read

API integrationHow-to

Setting temperature and max_tokens in a curl request

Learn how to set curl temperature max_tokens parameters in LLM API requests with runnable examples and verification steps for OpenAI-compatible endpoints.

July 17, 20265 min read

API integrationHow-to

Sending images to a vision model with curl

Step-by-step guide to a curl vision model image request: encode images, build OpenAI-compatible JSON, post with curl, and verify multimodal LLM responses.

July 17, 20263 min read

API integrationHow-to

Retrying failed curl requests with exponential backoff

A practical curl retry exponential backoff script for bash: handle transient HTTP failures against LLM APIs with retries, jitter, and timeouts.

July 17, 20263 min read

API integrationHow-to

Piping curl streaming output into jq for parsing

Step-by-step guide to piping curl streaming output into jq for parsing LLM API Server-Sent Events: strip data prefixes, filter deltas, and test locally.

July 17, 20264 min read

API integrationHow-to

Debugging LLM API errors with curl -v

Use curl -v to debug LLM API errors by exposing raw HTTP requests, TLS issues, and provider responses—a practical how-to for engineers integrating models.

July 17, 20264 min read

API integrationListicle

curl one-liners for checking LLM API rate limit headers

Practical curl rate limit headers one-liners to inspect LLM API throttling, quota, and reset times across OpenAI, Anthropic, and inference providers.

July 17, 20263 min read

API integrationHow-to

curl examples for function calling and tool use

Runnable curl function calling tool use examples for OpenAI-compatible LLM endpoints: define tools, send requests, parse tool_calls, and return results step by step.

July 17, 20263 min read

API integrationHow-to

curl examples for embeddings and vector search

Hands-on curl embeddings api examples for generating OpenAI-compatible embeddings and querying a vector store, with verifiable runnable steps.

July 17, 20263 min read

API integrationComparison

Comparing OpenAI and Anthropic request bodies with curl

A practical head-to-head of curl OpenAI vs Anthropic request bodies: auth, message shape, streaming, cost model, limits, and ergonomics, with a comparison table and verdict.

July 17, 20263 min read

API integrationHow-to

Building a Postman collection from curl LLM examples

Practical guide to convert curl to Postman collection LLM API examples with ordered steps, runnable code, and verification tips for engineers.

July 17, 20265 min read

API integrationHow-to

Streaming chat completions from the command line with curl

Learn how to run curl streaming chat completions command line against an OpenAI-compatible API, parse SSE, and verify token streaming end to end.

July 16, 20264 min read

API integrationGuide

curl headers every OpenAI-compatible API call needs

Practical guide to the curl headers every OpenAI-compatible API call needs, covering auth, content negotiation, routing, and streaming pitfalls.

July 16, 20265 min read

API integrationHow-to

Calling the OpenAI chat completions API with curl

Learn how to call the OpenAI chat completions API with curl: from API key setup to streaming, error handling, and verifying JSON responses via CLI.

July 16, 20263 min read