ECPRO RPP Update
2026-09-07 22:31:10

New Update for ECPRO RPP: Enhanced Keyword Optimization for Rakuten Ads

ECPRO RPP Enhances Keyword Management on Rakuten



In a significant update, Proteinum, a Tokyo-based company, has announced that its automated optimization tool for Rakuten RPP advertisements, ECPRO RPP, now supports an expanded limit of 20 keywords per product. This enhancement comes following Rakuten's system specification changes implemented on August 12, 2026, which increased the keyword registration capacity from the previous maximum of 10.

The updated ECPRO RPP enables users to register and optimize up to 20 keywords, while enhancing its primary function: automatic keyword addition. This means that the tool can now efficiently extract, register, and manage effective keywords across the expanded keyword slots without manual input.

Background of the Update



RPP advertisements on Rakuten are vital for attracting traffic to product pages and boosting sales. The switch on August 12 brought notable benefits, such as greater visibility through related keywords and latent demand keywords. Utilizing overlooked keywords can also help suppress the cost per acquisition (CPA), opening new avenues for revenue generation.

However, the addition of extra flexibility also presents significant challenges for store managers:
  • - Increased Operational Load: With double the keywords to manage, keyword bid adjustments and data analysis tasks can overwhelm managers, pushing manual optimization efforts to their limits.
  • - Budget Diversion Risks: More keywords can lead to wasted clicks on underperforming keywords, risking the erosion of the advertising budget.

To address these challenges, ECPRO RPP has updated its automatic addition feature. This means that without manual selection and analysis, the tool can detect and add keywords that are likely to lead to purchases while executing real-time bid adjustments based on target Return on Advertising Spend (ROAS) and desired ad placements. This ensures that advertisers can maximize the use of the expanded keyword capacity while minimizing unnecessary costs.

About ECPRO RPP



ECPRO RPP is designed to significantly reduce the workload associated with managing RPP ads on Rakuten, helping to maximize sales and ROAS. Offered without initial costs and inclusive of all features, this tool caters to a wide range of users, from beginners to large-scale retailers.

Key Features:


  • - Automated CPC Adjustment: Daily CPC updates reduce management efforts by approximately 90%.
  • - Targeted Positioning: Automatically maintains desired ad placements by adapting to fluctuating CPC rates.
  • - Minimum CPC Settings: Prevents oversaturation of low bids that could hinder visibility for products and keywords.
  • - Automatic Keyword Addition: Eliminates manual labor by automatically setting and adding CPCs for fitting products and keywords, now supporting 20 slots.
  • - Automatic Exclusion: Disqualifies poorly performing keywords to cut down on wasted clicks.
  • - Daily Budget Management: Controls daily spending limits while scheduling ad delivery times to prevent unexpected budget consumption.
  • - AI-Driven Insights and Actions: Utilizes AI to analyze factors affecting performance and suggest actionable improvements.

To learn more about the service and explore a demo or trial, visit their website at ECPRO.

Company Overview



  • - Company Name: Proteinum Inc.
  • - CEO: Yohei Yonezawa
  • - Location: 6-13-10 Shinbashi, Minato, Tokyo, Japan
  • - Established: August 2020
  • - Focus Areas: EC consulting, operations support, and the development and management of EC SaaS (ECPRO series).


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Topics Business Technology)

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