Topic

Webhooks & Async Jobs for Long-Running LLM Tasks

12 posts on webhooks & async jobs for long-running llm tasks — part of api integration on the n4n AI blog.

Webhooks for batch inference: what to know before building

Build reliable webhooks batch inference: define contracts, sign callbacks, handle retries idempotently, and reconcile with polling to avoid LLM pipeline gaps.

July 17, 20263 min read

API integrationTutorial

Queueing LLM requests with BullMQ for async processing

Learn how to build a resilient bullmq llm request queue in Node.js to process long-running LLM jobs asynchronously with retries, backoff, and webhooks.

July 17, 20263 min read

API integrationHow-to

How to retry failed webhook deliveries for LLM jobs

Practical guide for engineers on how to retry failed webhook delivery llm callbacks reliably using idempotency, backoff, and dead-letter queues.

July 17, 20264 min read

API integrationHow-to

Handling long-running LLM tasks without blocking requests

Learn how to handle long running LLM tasks asynchronously using job queues and webhooks to keep your API responsive and resilient to provider latency.

July 17, 20264 min read

API integrationGuide

Designing idempotent webhook handlers for LLM job callbacks

Practical guide to building an idempotent webhook handler llm callback system: dedupe strategies, concurrency control, replay testing, and pitfalls.

July 17, 20264 min read

API integrationTutorial

Building a webhook receiver for async LLM completions

Step-by-step tutorial for building a secure webhook receiver for async LLM completions using Python and FastAPI, with runnable code and verification.

July 17, 20263 min read

API integrationHow-to

Using webhooks for long-running LLM batch jobs

Learn how to implement webhooks for long-running LLM batch jobs: upload batches, watch status, and receive completion callbacks with signed HTTP posts.

July 16, 20263 min read

API integrationComparison

How to poll vs webhook for long-running LLM tasks

A head-to-head guide on polling vs webhooks for long-running LLM tasks covering cost, latency, ergonomics, and limits, plus a use-case verdict.

July 16, 20264 min read

API integrationComparison

Async LLM tasks: webhooks, polling, or server-sent events

Compare webhooks vs polling vs sse llm for async inference jobs: capabilities, cost, latency, ergonomics, and limits to pick the right integration pattern.

July 16, 20266 min read

API integrationTutorial

Async LLM jobs with Celery and Redis

Hands-on tutorial for building async LLM jobs with Celery and Redis in Python: set up workers, dispatch tasks, handle retries, and store results.

July 16, 20262 min read

API integrationGuide

Async job queues for LLM API calls: a design pattern

Practical guide to building an async job queue for LLM API calls: job schema, worker patterns, retries, fallback, and pitfalls for reliable inference.

July 16, 20264 min read

API integrationTutorial

Async job patterns for LLM APIs in Node.js

Hands-on tutorial: build async job patterns nodejs llm using BullMQ and webhooks to manage long-running inference calls reliably in production.

July 16, 20263 min read