When can this new feature be used?

It is available immediately. Setup can be done from your AFAD account.

Are there any additional costs for implementation?

The basic API integration is included in the AFAD service fee with no extra charges.

Will existing Yahoo! Ads or LINE Ads settings be affected?

Existing settings are preserved and can be migrated gradually alongside the new service.

Is technical support available?

CATS Marketing Department provides onboarding and technical consultation support.

Which advertisers benefit most from this feature?

Particularly effective for mid-to-large advertisers running performance-based campaigns.

CATS Adds Conversion API Integration for LINE Yahoo! Ads

Published Jun 19, 2026 11:00 PM ・ Updated Jun 20, 2026 12:30 AM ・ 4 min read ・ Source: PR TIMES

CATS Inc. has announced the addition of a new Conversion API integration feature for LINE Yahoo! Ads within its AFAD affiliate marketing platform, enabling more accurate performance measurement and optimized ad delivery.

CATS Inc. (Headquarters: Shinjuku-ku, Tokyo; President and CEO: Isamu Matsumoto) announces the addition of a new Conversion API integration feature for search and display advertising on 'LINE Yahoo! Ads' within its 'AFAD' platform.

Background of the Feature Addition

CATS has previously supported Conversion API integration for both Yahoo! Display Ads and LINE Ads individually.

LINE Yahoo! Corporation will begin providing a new integrated service, 'LINE Yahoo! Ads Display Ads,' starting April 1, 2026, which unifies the delivery infrastructure of LINE Ads and Yahoo! Display Ads.

(Reference: https://www.lycbiz.com/jp/news/20260218/)

In response to these market changes and advertiser demands, CATS has launched support for the latest LINE Yahoo! Ads specifications through its Conversion API integration.

Overview of the Update

Aligned with the new 'LINE Yahoo! Ads Display Ads' service, this update enables accurate transmission of conversion (performance) data measured via AFAD directly to the advertising platform.

This allows for more precise performance measurement with minimized data discrepancies and improved accuracy in ad delivery optimization.

Expected Benefits

The introduction of this feature is expected to deliver the following benefits:

● Enhanced measurement accuracy through stable, server-to-server transmission of conversion data

● Improved machine learning optimization on the LINE Yahoo! Ads platform by leveraging extended data fields

As a result, advertisers can enhance the precision of machine learning-driven optimizations within LINE Yahoo! Ads, maximizing return on advertising investment.

▶ Download materials from 'CATS Inc.'

Advertising performance measurement tool: CATS

LINE friend addition tracking tool: L-ad

Affiliate ASP system: AFAD

URL: https://markecats.co.jp/

Product Inquiries

Marketing Department, CATS Inc.

TEL: 050-5783-1173

Company Overview

Company Name: CATS Inc.

Representative: President and CEO Isamu Matsumoto

Headquarters: 5F/6F, Sumitomo Fudosan Shinjuku Oak Tower, 6-8-1 Nishi-Shinjuku, Shinjuku-ku, Tokyo

Business: Marketing SaaS

URL: https://markecats.co.jp/

FACT BOX

Source: PR TIMES
Category: New Product
Products / services: AFAD / CATS

CATS Adds Conversion API Integration for LINE Yahoo! Ads

⚡ Key Points

Background of the Feature Addition

Overview of the Update

Expected Benefits

Product Inquiries

Company Overview

FACT BOX

Editorial & Verification Standards

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