Launch across multiple ad platforms at once

Bulk Launch supports cross-platform rows — each row's account_id determines the platform, and Wevion surfaces per-platform required fields dynamically. Launch Meta + Google + TikTok + Taboola + Snapchat from one grid simultaneously. Each platform has unique objective + creative spec — Bulk Launch validates per-row before publish.

Who is this for

Mediabuyers running omnichannel campaigns. Anyone launching the same campaign concept across multiple platforms (e.g. brand launch on Meta + Google + TikTok simultaneously). Agencies managing cross-platform clients.

Why multi-platform launch matters

Single-channel campaigns leave reach + diversification on the table:

For brand launches + major promos: multi-platform is essential. For niche / direct-response: single-platform is often fine.

Setup in Bulk Launch

Step 1: Open Bulk Launch

/launch — the grid interface.

Step 2: Add rows per platform

Each row = one campaign. Per-platform configuration:

• Row 1: Meta — account_id = Meta ad account ID, fan_page_id set, pixel_id set

• Row 2: Google — account_id = Google customer ID, pixel_id = conversion action ID

• Row 3: TikTok — account_id = TikTok advertiser ID, pixel_id = TikTok pixel

• Row 4: Taboola — account_id = Backstage account ID

• Row 5: Snapchat — account_id = Snapchat ad account (if Snapchat enabled — see snp-101)

Wevion infers the platform from the account_id and shows the relevant fields dynamically.

Step 3: Configure shared concept

For the same campaign concept across platforms:

• Same audience concept (translated per-platform): broad audience for awareness, custom for retargeting

• Same creative concept (per-platform spec): 1:1 + 9:16 for Meta, 9:16-only for TikTok, 16:9 for YouTube

• Same copy concept (per-platform char limits): truncated for TikTok's 100-char vs Meta's 125

• Different objectives per platform's available set (Meta Sales vs Google Performance Max)

Step 4: Per-platform customization

Some fields are platform-specific and require per-row attention:

Step 5: Validate all

Toolbar Validate all runs per-row validation:

• Meta row: missing pixel → error

• Google row: missing customer ID → error

• TikTok row: aspect ratio not 9:16 → error

• All rows: missing DSA for EU → error

Fix errors before publishing.

Step 6: Publish wave

Publish all → all rows submitted in parallel to SQS workers, each row routed to the right platform's launch provider:

• Meta row → apps/backend/src/providers/meta/meta.launch-provider.ts

• Google row → apps/backend/src/providers/google/google.launch-provider.ts

• TikTok row → apps/backend/src/providers/tiktok/tiktok.launch-provider.ts

• Taboola row → apps/backend/src/providers/taboola/taboola.launch-provider.ts

• Snapchat row → apps/backend/src/providers/snapchat/

Each provider implements the common launch.interface.ts contract.

Platform-specific considerations

Aspect ratio differences

For cross-platform: upload assets per aspect, Wevion's multi-aspect support handles serving correctly.

Copy character limits

Write to the tightest constraint (100 chars) for consistency, OR per-platform variations.

Tracking divergences

• Meta CAPI + Conversion API for server-side events

• Google Conversions API equivalent

• TikTok Events API equivalent

• Snapchat Pixel browser-only currently in Wevion (snp-102)

• Taboola Pixel for native ad attribution

Each platform's events tracked separately + aggregated in Wevion's Cross-Channel Analytics.

Currency

Each ad account's currency is immutable (set at account creation). Multi-account multi-currency campaigns: Cross-Channel Analytics auto-converts to workspace currency for rollup (gs-118).

DSA enforcement

• Meta: strict, blocks publish without DSA fields for EU

• Google: similar enforcement emerging

• TikTok: lenient (so far)

• Snapchat: lenient

• Taboola: depends on geo

Wevion validates DSA per row based on platform + geo.

What unifies across platforms

Despite differences, Bulk Launch unifies:

Common multi-platform patterns

Pattern A: Omnichannel brand launch

• Template: brand launch concept

• 5 rows: Meta + Google + TikTok + Taboola + Snapchat

• Different creatives per platform (visual fits each platform's aesthetic)

• Same copy translated per char limit + platform tone

• Publish wave simultaneously

• Monitor in Cross-Channel Analytics

Pattern B: Geo-distributed product launch

• 3 markets (US + EU + APAC)

• 3 platforms (Meta + Google + TikTok)

• 9 rows total: each platform × each market

• Per-market currency + DSA + creative localization

• Publish wave; monitor per-market in Cross-Channel

Pattern C: Black Friday cross-platform

• Same offer (20% off) across platforms

• 4 rows: Meta + Google PMax + TikTok + Snapchat

• Lifetime budget per row covering Fri-Mon

• Dayparting: 24/7 to maximize offer window

• Coordinated launch via scheduled bulk publish

Pattern D: Awareness + retargeting layered

• Top-funnel: Meta Awareness + Google Display + TikTok Awareness (broad)

• Retargeting: Meta + Google retargeting custom audiences (warm)

• 6 rows in same Bulk Launch wave

• Coordinated: top-funnel drives traffic, retargeting captures conversions

Failure handling

Per-row independence means partial failure is recoverable:

• 5 rows attempted, 3 succeed + 2 fail

• Failed rows: red badge with error

• Successful rows: live on respective platforms

• Fix failed rows (typically per-platform-specific issue) + retry just those

Bulk wave doesn't roll back on partial failure — successful publishes stay live.

What you'll see

In Bulk Launch with multi-platform rows:

• Per-row platform badge (Meta icon, Google icon, etc.)

• Per-row field set adapts to platform (TikTok rows show TikTok-specific fields)

• Cross-row validation summary (e.g. "5 rows, 3 platforms, 0 errors")

• Per-row status in real-time during publish

In Cross-Channel Analytics post-launch:

• Spend breakdown per platform

• Conversions per platform

• ROAS per platform comparison

• Top campaigns across platforms

Common issues

• "Row platform inference wrong": account_id format doesn't match expected. Verify the account exists in Wevion's /connect/{platform}.

• "Cross-platform creative reuse fails": each platform has spec; reuse may fail for aspect ratio mismatches. Use multi-aspect uploads.

• "Multi-platform copy looks awkward in TikTok": 100-char limit truncated for TikTok. Use per-platform copy variations.

• "Budget converted weird across platforms": each account's currency; native currency per row. Cross-Channel rollup uses workspace currency.

Related

• Bulk Launch overview — basics for the grid

• Bulk Launch multi-account — multi-account specifics

• Working across multiple ad platforms — cross-platform strategic context