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How to Create and Verify AI Marketplace Product Cards Before Upload

A step-by-step guide to generating marketplace product card images from real photos with visual AI: preparing source imagery, selecting key captions, prompting cleanly, assessing readability in mobile lists, and checking platform rules.

Contents
How to Create and Verify AI Marketplace Product Cards Before Upload

AI image generators help e-commerce sellers automate routine graphic production: isolating products from backgrounds, generating contextual staging environments, formatting badge plates, and organizing visual hierarchy. However, an algorithm has no independent knowledge of a production batch’s verified specifications without accurate input data from the seller.

To produce catalog-ready product imagery, automated generation should be integrated into a structured workflow: from preparing confirmed product specifications to conducting a final pre-upload compliance check against platform rules.

This guide uses a hypothetical 450 mL matte olive travel mug as an educational illustration. Note that no conversion tests or moderation outcomes occurred. All specifications are used solely to demonstrate how sellers can translate validated product data into a marketplace-ready graphic layout without relying on automated guarantees.


1. Source Photo and Verified Specifications

Visual AI models reflect the quality of their input imagery and the precision of the seller’s prompts. Blurry, dark, or low-resolution input can cause invented details, which can distort the item’s true silhouette and construction.

A reliable layout requires two foundational components:

  1. High-quality product photography. The source image must be sharp, shot under even lighting, and free of harsh color casts or reflections. Choose an angle that displays the entire product clearly—for our travel mug, a straight-on front angle with a slight tilt reveals both body proportions and lid construction.
  2. Confirmed product specifications only. Include only data verified by product technical sheets, certificates, or actual warehouse measurements. If manufacturer test reports confirm metrics such as “retains heat up to 6 hours,” “double-wall vacuum insulation,” or exact net weight, these details can be incorporated into the layout. Without documentary proof, such claims must be excluded.

2. Formulating 1–2 Key Captions

Cluttered graphics distract shoppers from the physical item. For the main catalog image, limit text to one or two concise captions that answer a buyer’s immediate questions:

  • One primary anchor: The product category and capacity—for example, “450 mL Travel Mug.”
  • One verified key feature: A functional attribute such as “Flip-Top Sip Lid” or documented temperature retention.

Avoid subjective marketing superlatives like “bestseller,” “ideal choice,” or “premium quality.” Buyers look for concrete specifications. Furthermore, platforms like Yandex Market explicitly prohibit subjective praise in product images, and requirements across other marketplaces should always be checked separately.


3. Generating the Layout

When using AI image generation tools, keep visual focus squarely on the merchandise rather than decorative elements:

  • Product as focal point. The product must dominate the frame instead of disappearing behind heavy badges or busy background textures.
  • Interface safe zones. Marketplace mobile apps overlay interface elements—such as discount badges, favorite icons, ratings, and shipping estimates—over listing images. Place text captions and key product details toward the center or maintain ample clearance from borders and corners.
  • Legible typography. Choose clean, legible sans-serif fonts with sufficient contrast against background tones. Avoid delicate scripts or decorative serifs.

To generate a clean contextual background based on your source photograph, use a prompt structured like this:

Use the uploaded photo as the single source of truth for the product appearance. Preserve the geometry, lid construction, and matte olive color of the travel mug without alterations. Display the complete product on a clean, light background with negative space for a caption. Exclude extra accessories, text, prices, discounts, and store logos.

The seller must verify the volume against documentation and add the validated “450 mL Travel Mug” caption manually. Prompts do not guarantee product invariance or moderation approval, making subsequent human verification essential.


4. Comparing the Product and Text to the Physical Item

After generating the image, open the file at full resolution and perform a side-by-side audit against the physical item:

  1. Color and finish: Check whether the body retained its matte olive finish or whether the AI introduced an artificial glossy sheen or shifted the hue toward emerald green. On-screen colors must match the physical product.
  2. Structural details: Ensure the model did not generate non-existent features (such as an unincluded carry strap) or blur mechanical elements like the lid latch, seal, or release button.
  3. Package contents: Ensure no items appear in the frame that are not included in the retail box. If the product does not ship with a metal straw or carrying pouch, the image must not display them.
  4. Text and numerals: Inspect typography for distorted characters or AI artifacting, and verify that capacity numbers and specifications are rendered accurately.

5. Checking at Listing Size

Most e-commerce shoppers browse product feeds on mobile screens, scanning thumbnails rapidly. In search results, images are compressed to compact dimensions.

To verify thumbnail readability:

  • Zoom out on your desktop monitor or preview the graphic in a smartphone gallery at thumbnail scale.
  • Assess at a glance: Is the product silhouette immediately identifiable, and is the primary caption instantly legible?
  • If text blends into the background or the mug’s outline appears indistinct, simplify background details, eliminate secondary clutter, and enlarge the headline caption.

6. Auditing Against Platform and Category Rules

Review the finalized layout against the official graphic standards of your target marketplace.

Yandex Market: Official Image Requirements (Russia Example)

As a specific example of platform-level standards in Russia, Yandex Market enforces explicit catalog guidelines (see the official documentation: Yandex Market Image Requirements):

  • Technical parameters: Accepted formats are .jpg, .jpeg, .png, .heic, and .webp. Maximum file size is 10 MB, with a minimum resolution of 300 × 300 pixels.
  • Display aspect ratio: Catalog search results and product listings use a standardized 3:4 aspect ratio.
  • Main image composition: The image must show the complete product from an informative angle. The product must occupy at least two-thirds of the total frame area. A white or transparent background is recommended to avoid visual distractions. The product image must match all listed attributes (if described as green, the image must depict green).
  • Prohibited visual elements: Images must not contain watermarks, price tags, discount callouts, seller contact details, external URLs, shipping notes, or store or marketplace logos (the item’s official manufacturer brand logo is permitted). Unrelated people or pets are prohibited unless actively demonstrating product usage.
  • Text restrictions: Text must not include terms unrelated to physical item specifications (“price”, “discount”), review incentives (“points for reviews”), competitive comparisons (“alternative to”, “similar to”), subjective praise (“hit”, “best”, “perfect”), or unverified authenticity claims (“original” requires formal brand verification procedures).

Ozon and Wildberries

Visual guidelines, supported aspect ratios, background allowances, and infographic policies vary between marketplaces and specific product categories (such as homeware, kitchenware, cosmetics, or apparel). Do not assume Yandex Market’s exact rules apply to Ozon, Wildberries, or other e-commerce platforms. Sellers must consult current guidelines in the Ozon Seller Knowledge Base and the Wildberries Seller Portal before exporting and cropping final assets.


7. Export and Pre-Upload Checklist

Before uploading the final image to your seller dashboard, run through this pre-flight checklist:

  • The source photo displays the complete physical product with accurate color and texture.
  • Captions highlight only 1–2 verified facts (e.g., volume, lid type) and exclude subjective superlatives and banned promotional terms (“bestseller”, “top”, “discount”).
  • No unbundled accessories or non-included parts appear in the composition.
  • For Yandex Market main images, the product fills at least two-thirds of the image frame.
  • Margins leave sufficient safe zones for mobile app UI badges and system overlays.
  • At thumbnail scale, the product silhouette and primary text remain instantly legible.
  • File format, resolution, and file size comply with the target platform’s technical limits.

AI tools handle technical graphic manipulation, while the seller provides verified product data and oversees platform compliance. The result is a draft to review, with platform final approval.

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