Creative Specifications

Creative Specifications

This article outlines the specifications for video and tag-based creatives across CTV, OLV (desktop and in-app), and native tile placements. Please review carefully to ensure compatibility with supported platforms and publisher requirements.

How to Upload a Creative

CTV Specifications

General Guidelines

• Resolution: 1920x1080 (recommended)

• Bitrate: 5 Mbps or higher

• Duration: 15s and 30s are standard; 60s is also accepted

• Aspect Ratio: 16:9

• JavaScript Tags: Not supported

• Companion Banners: Not supported

Video Creative (Direct Upload)

• Format: MP4

• Max File Size: 500 MB

Tag-Based Creative (VAST)

• Accepted VAST Versions: VAST 2.0 and above

• VPAID Support: Not supported in CTV environments

• Creative Format: Must use MP4 as media file

• Creative Rotation: Not recommended in CTV environments that use Server-Side Ad Insertion (SSAI), as only one version may render

• Testing: You can validate your VAST tag using SpringServe's Tag Tester

• Standards Compliance: Tags must conform to IAB VAST specifications

Publisher-Specific CTV Creative Specifications

• Disney Hulu 

• NBCUniversal 

• Warner HBO Max 

Tile Ads Specifications (CTV)

Tile ads are native-style, image-based promotional placements and vary by publisher. Refer to the Native Tiles Specs for CTV Publishers for the full requirements.

Common Publisher Specs

Ensure you submit separate creative assets per publisher as needed.

OLV Specifications (Desktop & App)

General Guidelines

• Resolution: Minimum 640x360 (SD); 1920x1080 (Full HD) recommended

• Aspect Ratio: 16:9

• Duration: 6s, 15s, 30s, 60s common; max 2 minutes

• File Size: Max 500 MB

• Format: MP4 (H.264) or WebM

• Audio: Must be present and not muted

• Bitrate:

• SD (640x360): At least 700 kbps

• HD (1280x720): 2–5 Mbps

• Full HD (1920x1080): 5 Mbps+
  
  

Tag-Based Creative (VAST)

• Accepted VAST Versions: VAST 2.0 and above

• VPAID Support: Supported in browser-based environments (desktop and mobile web); not supported in app environments

• Creative Format: Use MP4 as the media file

• Clickthrough URL: Must be included in the <VideoClicks> node

• Testing: Use SpringServe's Tag Tester

• Standards Compliance: Tags must follow IAB VAST specifications
  
  

ClearLine Platform Considerations

• ClearLine is a video-only platform. Display or banner-only formats are not supported.

• All creative tags must be delivered through VAST-compliant video creatives (VAST or VPAID, where supported).