Walmart Connect Off-site DSP Video ads are horizontal 16:9 video clips, measured at 1920×1080 px, up to 400 MB per file, up to 30 seconds long, delivered as MP4 or MOV. They run in the Off-site — Walmart DSP Inventory placement on Walmart Connect. Encode with H.264 video with AAC audio at 29.97 fps for clean playback across devices.
| Dimensions | 1920 × 1080 px |
|---|---|
| Aspect ratios | 16:9 |
| Orientation | landscape |
| Max file size | 400 MB |
| File types | MP4, MOV |
| Max duration | 30 sec |
|---|---|
| Video codec | H.264 |
| Frame rate | 29.97 fps |
| Audio codec | AAC |
Pre-roll and mid-roll video creatives trafficked through Walmart DSP across off-site web and app inventory powered by Walmart's first-party shopper data. Standard 15- or 30-second spots at 1920×1080 (1080p), 16:9, H.264 MP4/MOV, ≤400 MB. Audio is expected — include clear brand messaging. Minimum 24 fps (29.97 fps recommended). VPAID and VAST tags accepted for third-party serving and measurement.
Official source: https://advertisinghelp.walmart.com/s/guides?channel=DSP&language=en_US