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Cloudflare Workers for API Infrastructure, May 2026

Cloudflare is known for easy and performant DNS, CDN and edge computing, but is now also capable of hosting more application infrastructure, particularly API services and processing pipelines.

The advantage of hosting infrastructure in Cloudflare, as opposed to AWS or GCP, would be that more of your plumbing sits in a single environment that is optimised for web performance.

Also, in my opinion, the DX is more modern, with services preconfigured with sensible defaults. This means less time spent second guessing the cloud configuration and more time spent on design and testing.

Workers

Running your API services on Cloudflare workers gives you high-throughput APIs without having to configure machine environments, load balancing, scaling or DNS:

• Workers auto-scale in response to demand. The scaling is built to serve SSR websites with many concurrent visitors so it is well suited to burst traffic and high throughput services.
• Requests are handled at edge locations meaning your caller (FE, API user, or external API service) can experience very low network latency when making requests to your service (depends on whether you're making external calls or reading edge cache).
• Assuming you're using Cloudflare's nameservers to manage your DNS then attaching a custom domain with HTTPS for your worker is a single-click configuration (DNS and gateway configuration on AWS and GCP can be long winded and complex).
• Workers can make external calls to your DB, push messages to Cloudflare queues, return JSON and run for extended durations (up to 15 minutes).

Queues

For requests that require longer processing times or stronger delivery guarantees, Cloudflare queues give you async processing with automatic retries and a dead letter queue. A worker can be configured to ingest messages from the queue and auto-scale in response to queue length. In my experience, setting up a worker that consumes messages from a queue is very simple compared to AWS (CloudFormation, SQS, IAM, Lambda) and is configured in code using a wrangler file.

Roundup

AWS and GCP are fine - the point of this article is to explain that Cloudflare can handle a lot of application logic and the advantage of doing so is that you get access to Cloudflare's web performance and a modern DX.

George