We deserve a better streams API for JavaScript
2026-02-27
The Web streams API has become ubiquitous in JavaScript runtimes but was designed for a different era. Here's what a modern streaming API could (should?) look like....
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DIY BYOIP: a new way to Bring Your Own IP prefixes to Cloudflare
2025-11-07
Announcing a new self-serve API for Bring Your Own IP (BYOIP), giving customers unprecedented control and flexibility to onboard, manage, and use their own IP prefixes with Cloudflare's services....
Making the Internet observable: the evolution of Cloudflare Radar
2025-10-27
Cloudflare Radar has evolved significantly since its 2020 launch, offering deeper insights into Internet security, routing, and traffic with new tools and data that help anyone understand what's happening online....
Explore your Cloudflare data with Python notebooks, powered by marimo
2025-07-16
We’ve partnered with marimo to bring their best-in-class Python notebook experience to your Cloudflare data....
Your IPs, your rules: enabling more efficient address space usage
2025-05-19
IPv4 is expensive, and moving network resources around is hard. Previously, when customers wanted to use multiple Cloudflare services, they had to bring a new address range....
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March 20, 2025 1:00 PM
HTTPS-only for Cloudflare APIs: shutting the door on cleartext traffic
We are closing the cleartext HTTP ports entirely for Cloudflare API traffic. This prevents the risk of clients unintentionally leaking their secret API keys in cleartext during the initial request. ...
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October 29, 2024 2:00 PM
Migrating billions of records: moving our active DNS database while it’s in use
DNS records have moved to a new database, bringing improved performance and reliability to all customers....
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September 24, 2024 1:00 PM
Automatically generating Cloudflare’s Terraform provider
The Cloudflare Terraform provider used to be manually maintained. With the help of our existing OpenAPI code generation pipeline, we’re now automatically generating the provider for better ...
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September 23, 2024 1:00 PM
Making zone management more efficient with batch DNS record updates
In response to customer demand, we now support the ability to DELETE, PATCH, PUT and POST multiple DNS records in a single API call, enabling more efficient and reliable zone management. ...
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July 11, 2024 5:00 PM
Application Security report: 2024 update
Cloudflare’s updated 2024 view on Internet cyber security trends spanning global traffic insights, bot traffic insights, API traffic insights, and client-side risks...
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April 08, 2024 1:00 PM
Developer Week 2024 wrap-up
Developer Week 2024 has officially come to a close. Here’s a quick recap of the announcements and in-depth technical explorations that went out last week...
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March 08, 2024 2:00 PM
Cloudflare’s URL Scanner, new features, and the story of how we built it
Discover the enhanced URL Scanner API: Now with direct access from the Security Center Investigate Portal, enjoy unlisted scans, multi-device screenshots, and seamless integration within the Cloudflare ecosystem...
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August 21, 2023 2:15 PM
Application Security Report: Q2 2023
We are back with a quarterly update of our Application Security report. Read on to learn about new attack trends and insights visible from Cloudflare’s global network...
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May 19, 2023 1:00 PM
Workers Browser Rendering API enters open beta
The Workers Browser Rendering API allows developers to programmatically control and interact with a headless browser instance and create automation flows for their applications and products. Today we enter the open beta and start onboarding our customers....
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March 14, 2023 1:00 PM
The state of application security in 2023
One year ago we published our first Application Security Report. For Security Week 2023, we are providing updated insights and trends around mitigated traffic, bot and API traffic, and account takeover attacks....
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March 07, 2023 7:00 PM
Keeping the Cloudflare API 'all green' using Python-based testing
Scout is an automated system providing constant end to end testing and monitoring of live APIs over different environments and resources. Scout does it by periodically running self explanatory Python tests...
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December 15, 2022 2:02 PM
Partnering with civil society to track Internet shutdowns with Radar Alerts and API
Learn more on how Cloudflare works with civil society organizations to provide tools to track Internet shutdowns using Radar Alerts and API....
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November 17, 2022 2:00 PM
How Cloudflare uses Terraform to manage Cloudflare
Cloudflare uses the Cloudflare Terraform provider extensively to make changes to our internal accounts as easy as opening a pull request....
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November 16, 2022 2:00 PM
The Cloudflare API now uses OpenAPI schemas
Cloudflare now has OpenAPI Schemas available for the API. Users can use these schemas in any open source OpenAPI Tooling....
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November 14, 2022 2:00 PM
The road to a more standards-compliant Workers API
We have been making improvements in the Workers runtime to increase alignment with Web Platform standards around event handling, task cancellation using AbortController, text encoding and decoding, URL parsing and pattern matching, and streams support....
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