Retail media creative validation

Stop getting
your ads rejected

Upload a creative, pick your networks, and get back a pass/fail for each one. Amazon, Walmart, Instacart, and 8 others.

Start checking for free

Free for up to 50 validations/month

Validation report3 networks checked

✓

Amazon Sponsored BrandsAll 12 rules passed

Pass

Walmart DisplayFile size 2.4MB exceeds 200KB limit

Fail

Instacart Hero BannerWrong dimensions: need 2880×750

Fail

2 issues can be auto-fixed

Why this is hard

Every network wants something different

Here's one creative checked against three networks. Red values would get your ad bounced.

15–30%of creatives rejected on first submission

AmazonSponsored Brands

Dimensions1200×628

Max file size5 MB

FormatPNG, JPG

Aspect ratio1.91:1

WalmartDisplay

Dimensions728×90

Max file size200 KB

FormatPNG, JPG, GIF

Aspect ratio8.09:1

InstacartHero Banner

Dimensions2880×750

Max file size1 MB

FormatPNG only

Aspect ratio3.84:1

Coverage

11 networks and 50+ placements

We track every spec so you don't have to. New networks added as they come up.

Amazon

Walmart

Instacart

Target

Kroger

Albertsons

CVS

Dollar General

Home Depot Lowe's

Lowe's

Ulta Beauty

With vs. without

Check before you submit

Before

Walmart rejects for file sizeInstacart rejects for dimensions3 days lost waiting on re-review

~$500 wasted

With adspec.io

Amazon approved first tryWalmart auto-fixedLaunched on schedule

$0.05 per check

Pricing

Free up to 50 checks a month

FREE

$0/mo

Kick the tires

50 validations/mo3 networksStandard reportsNo credit card

Get started free

PopularGROWTH

$49/mo

For real campaign volume

1,000 validations/moAll 11 networksWebhooks included$0.05/extra validation

Start with Growth

PRO

$249/mo

Built for agencies

10,000 validations/mo1,000 adaptations/moPriority support$0.02/extra validation

Start with Pro

Rejections cost $200–500 each when you factor in the back-and-forth. Validations are $0.05.

Need more? Contact sales for unlimited volume, custom specs, and SLA guarantees.

Get started

One check covers every network

Run a free check on your next campaign creative. Takes about ten seconds.