MARKETPLACE FEED DOCTOR · ASYNC IMPORT RESCUE

Stop broken listings
before they go live.

Amazon variation error, Shopify CSV rejection or eBay bulk-listing failure? Send the source file and processing report. Receive a diagnosed, corrected and rollback-safe import pack without a meeting or store access.

Check my CSV free See a live failed import Get a human fix from $29
  • Runs in your browser
  • No account
  • No product data upload
  • Export before publishing
CATALOG PREFLIGHTSUPPLIER-BATCH.CSV
61%IMPORT READINESS
3 blockers found
Row 18 · Duplicate SKUSKU MUG-BLK-S already appears on row 4BLOCK
Row 31 · Variant loss riskParent group is missing two existing optionsREVIEW
Rollback snapshotOriginal 100 rows preserved before any fixREADY
OUTPUTChange plan + safe export

ONE FILE · FIVE FAILURE MODES

Your spreadsheet is not ready just because it opens.

MerchLint translates marketplace documentation and recurring seller failures into a deterministic preflight. It identifies the row, explains the risk and preserves the original before proposing a change.

SHOPIFYSilent variant lossDetect incomplete variant groups before an import replaces existing definitions.
AMAZONFeed suppressionFlag missing brand, GTIN, parentage and over-limit seller SKUs.
EBAYVariation mismatchCatch missing item specifics, category gaps and unsafe image URLs.
ETSYBulk-edit damageReview tags, materials, variation values and image coverage before API writeback.
WALMARTFeed rejectionCheck product IDs, brand, taxonomy and required logistics facts before upload.

FREE INSTANT CSV CHECK

Know what will break before you import.

Choose a supplier CSV with up to 100 rows. MerchLint checks it locally in your browser and immediately estimates import readiness, duplicate SKUs, missing required facts, variant risks and image problems.

  • No account
  • No server upload
  • No store connection
  • Results in seconds
TARGET MARKETPLACE
No file selected.

PRE-PUBLISH CHECK

0/100

Add product facts to begin.
  • Required fields have not been checked.
LP

Your marketplace pack appears here.

Load the demo or enter real product facts. MerchLint will adapt the same verified facts to each platform without publishing anything.

EXPORT

Keep control of the final publish.

Blocked rows are excluded from the Shopify import-ready file and retained in the review worksheet.

PAY FOR A WORKING FILE

Start automatically. Escalate only when the feed is genuinely difficult.

Every paid rescue includes the diagnosis, corrected import CSV, change log and rollback copy. Human services are asynchronous and require no meeting or store credentials.

FREE

$0

10 rows per file
  • All marketplace drafts
  • Readiness checks
  • CSV exports
Use free

AUTOMATIC FIX

$9 once

Up to 100 supplier rows
  • Deterministic error diagnosis
  • Corrected CSV, change plan and rollback copy
  • Best for clean, well-formed source files
Run automatic fix

HUMAN FEED RESCUE

$29 once

Up to 100 rows
  • Human review of platform error reports
  • Parent/child, variation and image-map repair
  • Returned within 24 hours or refunded
Choose human rescue

COMPLEX VARIANT RESCUE

$79 once

Up to 500 rows
  • Complex parent/child and multi-option repair
  • Processing-report diagnosis and corrected feed
  • One clarification round included
Fix a complex feed

AGENCY

$49 / month

Multi-client workflow
  • Up to 20 feed checks each month
  • Branded diagnostic reports
  • Priority human escalation
Join agency plan

ALREADY PURCHASED?

Activate your MerchLint license

Paste the license key shown by Creem or sent to your purchase email.

Current plan: Free · 10 rows per file

Secure checkout: payments and license delivery are handled by Creem. MerchLint never receives your card details.

COMPLETE DELIVERY EXAMPLE

Inspect the files before you buy.

This example starts with an intentionally messy supplier sheet and shows the four artifacts returned in the 24-hour cleanup. No screenshots or unverifiable claims.

01Raw supplier CSVDuplicate SKU, missing option and inconsistent image names 02Validation reportBlocked rows, review reasons and safe-fix guidance 03Shopify import CSVNormalized handles, variants, prices and image links 04Image mapping planSource image, target filename, SKU and display order
01

Normalize

Map inconsistent supplier headers into one controlled schema.

02

Group

Rebuild parent products and variants without silently merging SKUs.

03

Block errors

Catch duplicate SKUs, missing attributes, WebP or expiring image URLs, same-color image conflicts and category gaps.

04

Export

Review the generated pack, then publish through the marketplace you control.

24-HOUR IMPORT RESCUE

Send the blocked feed and its error report.

Upload one non-confidential CSV and describe the exact marketplace error. Files are encrypted at rest and removed after fulfillment, no later than 30 days.