Tips for Developers

Hi, I'm Horikoshi. I'm a technical writer working on the documentation for the LINE Developers site. After your LINE Official Account receives a message from a user, it may take some time before you can send a reply, such as when you use ge...

Hello! I’m Oka from the Technical Support team. When developing a LIFF app, do you ever find the initial setup, preparation of a local development environment, or debugging to be time-consuming or cumbersome? The LIFF CLI is a tool designed...

Hello! I'm Oka from the technical support team. Have you ever struggled to verify the behavior of a LIFF app in a local development environment? When developing standard web applications, you typically start a local development server and a...

Hi, I'm Roman, the lead engineer of the LINE Developers site. Today we'll look at image file sizes and WebP conversion. Documentation needs screenshots and diagrams, but those images take up storage space and add to the data readers downloa...

Hello! I'm Zenigami, a technical writer in charge of managing the LINE Developers site. What kind of environment do you use to run your Messaging API bots? One of the popular setups recently is Cloudflare + Hono, and you can absolutely run ...

The LINE Developers site contains documentation for various products, API references, the latest news, and more. When developing, the site search feature is useful for situations such as "checking specific API specifications" or "finding in...

Hello! I'm Furuki, a technical writer. Each Messaging API endpoint has a rate limit that controls how frequently requests can be sent. If a request exceeds the rate limit, the API returns the 429 Too Many Requests status code with the error...

Hi! I’m Okajima, a technical writer in charge of documentation for the LINE Developers site. You can use the liff.requestFriendship() method to prompt users to add a LINE Official Account as a friend in a LIFF app or LINE MINI App. The liff...