Carlos Martínez Barriga
Founder & CEO at Epinium
Carlos Martínez has over 10 years of entrepreneurial experience developing exclusive solutions for brands and manufacturers, placing Agentic Artificial Intelligence at the core of his value proposition. His comprehensive ecosystem for scaling global businesses is completed by firms such as Roicos, Datali Group, and Accountali, and he actively fosters the industry's community by organizing the FBAshow event and sharing insights on the Retail Forward Podcast.
548 articles · Writing since 2018
Areas of expertise
- Amazon PPC
- Amazon SEO
- Amazon advertising
- Retail media
- Marketplace optimization
- Agentic AI for e-commerce
- Product listing optimization
- E-commerce growth
- Amazon FBA
Highlights
- Organizer of FBAshow
- Host of the Retail Forward Podcast
- 10+ years of entrepreneurial experience
Articles by Carlos Martínez Barriga
-
AmazonAmazon PPC AI: The Future of Automated Advertising
Executive summary The manual era is dead: Managing bids via spreadsheets costs brands up to 30% in wasted ad spend while competitors automate their processes. Agentic AI is here: With the 2025 rollout of Amazon’s Ads Agent and Rufus prompts, … Read More
9 min read -
Amazon SEOHow to Optimize Amazon Search Terms for Maximum ROI
Executive summary Amazon’s ad revenue hit $68.5 billion in 2025, driving CPCs up by 12% and making aggressive query optimization a strict requirement for survival. The myth of the “all-in-one” campaign is dead; algorithms simply cannot optimize for ranking and … Read More
10 min read -
NewsOpenAI Upgrades GPT-5.5 Instant for AI Shopping
Executive summary The update is live: OpenAI just upgraded GPT-5.5 Instant, massively improving its ability to handle complex shopping constraints and local recommendations. Immediate API integration: This isn’t just a web feature; the chat-latest API alias is already updated, meaning … Read More
5 min read -
AmazonHow to Become an Amazon Vendor and Protect Your Margins
Executive summary Amazon is ruthlessly compressing 1P margins in 2025, pushing trade terms to 18.6% of net sales to offset external retail price wars. You can no longer buy your way into Vendor Central; invitations are triggered by algorithmic Net … Read More
10 min read -
Amazon AdvertisingManaging Amazon Search Engine Advertising Costs
Executive summary Amazon search engine advertising costs have surged significantly, with average CPCs sitting around $1.04 to $1.25 in 2026. Focusing strictly on ACoS is a dangerous trap; cutting bids blindly hurts organic rank and ultimately increases your TACoS. Top … Read More
9 min read -
Amazon SEOHow Many Keywords Does Amazon Allow? Limits & Rules
Executive summary Backend search terms are strictly capped at 249 bytes. Exceeding this limit by a single byte silently de-indexes your entire keyword field. Titles have a hard limit of 200 characters across most categories, but a 2025 algorithm update … Read More
9 min read -
Epinium newsletter · no fluff, no spam
Every week, the most useful AI insights for your brand
I'm Carlos, CEO of Epinium. I share what actually moves the needle for brands and manufacturers.
Welcome aboard!Check your inbox to confirm your subscription.
-
Agentic CommerceSalesforce Launches AI Agents for B2B Ecommerce
Executive summary The news: Salesforce launched Agentforce Commerce, introducing autonomous AI agents that handle B2B purchasing directly via WhatsApp and SMS. The impact: 67% of B2B buyers now prefer a completely rep-free experience. The traditional sales portal is rapidly becoming … Read More
5 min read -
AmazonAmazon Bundle Listing: Boost AOV and Margins
Executive summary Rising PPC costs are aggressively killing single-ASIN margins, forcing smart brands to focus entirely on Average Order Value (AOV) to stay profitable. You do not need custom physical packaging to group items. Virtual Product Bundles allow you to … Read More
9 min read -
AmazonWhy Amazon Seller Central Partner Network Is Costing You
Executive summary Amazon’s FBA fee hikes and the strict DD+7 payout delays in 2026 are squeezing median net margins down to a dangerous 15-20%. Over 70% of Amazon sellers now actively run paid ads, driving CPCs up and making organic … Read More
9 min read -
AmazonAmazon Vendor Registration: Guide to 1P Margins
Executive summary Amazon vendor registration remains strictly invite-only in 2026, targeting brands with high velocity and established off-Amazon demand. The average 1P trade terms (deductions) pushed by Amazon hit 18.6% of net sales during recent Annual Vendor Negotiations. Small vendor … Read More
10 min read -
EcommerceEpinium Launches Vendor Stock Forecast: AI That Reads Amazon’s Ordering Patterns
Executive Summary: Epinium has released Vendor Stock Forecast, an AI model that calculates recommended Amazon shipment quantities per SKU and market — replacing guesswork with a data-driven replenishment number. The algorithm layers consumer demand trends over Amazon’s own historical ordering … Read More
8 min read -
NewsMoEngage Bets on Millions of AI Agents for Marketing
Executive summary The acquisition of Aampe by MoEngage marks the end of traditional audience segmentation in enterprise marketing. Instead of building complex customer journeys, brands are now deploying dedicated AI agents for every single individual user. For brand managers and … Read More
5 min read
