POST /v1/projects/:projectId/ads/:platform/campaigns

Simplified create-campaign endpoint. Customer picks budget + outcome + management mode + creative mode; Layers handles the rest.

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POST/v1/projects/:projectId/ads/{platform}/campaigns

Phase 1stable

Auth: Bearer
Scope: ads:write:campaigns

Headline create-campaign endpoint per LOCK 6 — minimal required surface so the customer's "Create Campaigns on {platform}" button doesn't require ads expertise.

This is the simplified create-campaign surface. It accepts the four required config entities for the customer's intent (budget, outcome, management mode, creative mode) and defaults every tactical detail per platform best practice. Sophisticated partners can use the granular CRUD endpoints (per-budget, per-targeting, etc.) for explicit overrides.

Supported {platform}: meta, tiktok, apple. Apple campaign-create lifted in this release — see the LOCK 10 investigation.

Path parameters

projectId
string (uuid)required
Project the new campaign belongs to.
platform
stringrequired
Platform.
One of: meta, tiktok, apple

Body

adAccountId
string (uuid)required
Layers ad-account id from [`GET …/ad-accounts`](/docs/api/reference/ads/list-ad-accounts).
name
stringrequired
1-128 chars. Shows up in the platform's ad manager.
outcome
stringrequired
Platform-normalized outcome.
One of: conversions, traffic, app_installs, engagement, lead_generation
dailyBudgetCents
integeroptional
Daily budget in cents. Required if `lifetimeBudgetCents` is not set.
lifetimeBudgetCents
integeroptional
Lifetime budget in cents. Required if `dailyBudgetCents` is not set.
campaignManagementMode
stringrequired
Sets the new campaign's tactical + structural authority.
One of: manual, draft, autopilot
creativeMode
stringrequired
Sets the new campaign's creative authority.
One of: manual, draft, autopilot
startTime
string (ISO 8601, UTC Z)optional
Optional start time. Defaults to now.
endTime
string (ISO 8601, UTC Z)optional
Optional end time. Required for some platform/outcome combos (TikTok lifetime-budget).
bidStrategy
objectoptional
Optional override of the platform default. See platform-specific notes.
targeting
objectoptional
Optional override of the platform default targeting.
metadata
objectoptional
Free-form, ≤ 8KB. Round-tripped on read.

Mode → axis mapping:

Mode	`tactical`	`structural`	`creative`
`manual`	`off`	`off`	`off`
`draft`	`draft`	`draft`	`draft`
`autopilot`	`auto`	`auto`	`auto`

The two mode params let you mix-and-match. Example: campaignManagementMode: "draft" + creativeMode: "autopilot" produces {tactical: "draft", structural: "draft", creative: "auto"}.

Request

curl -X POST https://api.layers.com/v1/projects/$PROJECT_ID/ads/meta/campaigns \
  -H "Authorization: Bearer $LAYERS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "adAccountId": "aa_01HXF1...",
    "name": "Q3 prospecting",
    "outcome": "conversions",
    "dailyBudgetCents": 5000,
    "campaignManagementMode": "draft",
    "creativeMode": "autopilot"
  }'

5000 cents = $50.00 daily.

Response

202Create-campaign workflow accepted.

{
  "jobId": "job_01HZX9...",
  "campaignId": "cmp_01HZX9...",
  "verdictId": "ver_01HZX9...",
  "kind": "ads_create_campaign",
  "status": "running",
  "platform": "meta",
  "authority": {
    "creative": "auto",
    "tactical": "draft",
    "structural": "draft"
  },
  "locationUrl": "/v1/jobs/job_01HZX9..."
}

The Layers campaignId is allocated immediately. Poll the job for the platform-side mutation; the platform-side id appears on subsequent GET …/campaigns/:campaignId calls.

verdictId is the audit-row UUID — quote it to Layers support.

403Authority axis denies the create.

{
  "error": {
    "code": "AUTHORITY_DENIED",
    "message": "Layer's structural axis is set to 'off'; campaign-create denied.",
    "requestId": "req_...",
    "details": {
      "verdictId": "ver_01HZX9...",
      "axis": "structural",
      "currentMode": "off"
    }
  }
}

Errors

Code	When
`VALIDATION`	Body shape error; both daily and lifetime budget set; missing required field.
`AUTHORITY_DENIED`	Bucket-mode axis denies the create — see ads write model.
`FORBIDDEN_SCOPE`	Key lacks `ads:write:campaigns`.
`NOT_FOUND`	Project / ad account not in this org, or platform OAuth not connected.
`IDEMPOTENCY_CONFLICT`	Same Idempotency-Key replayed with a different body.