create_walmart_ad_item

Walmart Connect Write

Add one or more items (products) to EXISTING Walmart ad group(s)

Endpoint

POST https://api.adspirer.ai/api/v1/tools/create_walmart_ad_item/execute

Headers

Authorization: Bearer sk_live_... — your Adspirer API key (required)
Content-Type: application/json (required)
Idempotency-Key: <uuid> — recommended for write operations to make retries safe

Description

Add one or more items (products) to EXISTING Walmart ad group(s). Items can span multiple ad groups in one call via `ad_items`, or add one via campaign_id + ad_group_id + item_id. Bid is plain-decimal USD (floor $0.20 auto / $0.30 keyword). Items go through Walmart review before serving.

Request body

All tool arguments are wrapped in an arguments object.

Field	Type	Description
`advertiser_id`	`string` optional	Walmart Advertiser ID. Optional when only one advertiser is connected.
`campaign_id`	`string` optional	Parent campaign id (single item).
`ad_group_id`	`string` optional	Parent ad group id (single item).
`item_id`	`string` optional	Walmart catalog item id (single item). Find via walmart_item_search.
`bid`	`number` optional	Bid in USD (floor $0.20 auto / $0.30 keyword). Omit for TROAS.
`status`	`string` optional	Item status (default enabled). one of: `enabled`, `disabled`, `deleted`
`is_auto`	`boolean` optional	True if the parent campaign is auto-targeted (sets the $0.20 floor); false for keyword ($0.30). Default true.
`ad_items`	`array` optional	Multiple items at once; each = {campaign_id, ad_group_id, item_id, bid?, status?, is_auto?}.

Example request

{
  "arguments": {
    "status": "enabled"
  }
}

Example responses

200 — Success

{
  "success": true,
  "data": {
    "text": "(tool-specific textual output for create_walmart_ad_item)",
    "quota": {
      "used": 42,
      "limit": 150,
      "tier": "plus",
      "period_end": "2026-05-01"
    }
  },
  "tool": "create_walmart_ad_item"
}

400 — Tool-level error (bad arguments / multi-account selection)

{
  "success": false,
  "error": "You have 25 meta_ads accounts connected. Please specify which account to use by passing the ad_account_id parameter:\n  - Acme Holdings (ad_account_id=\"act_123456789\")\n  - Acme EU (ad_account_id=\"act_987654321\")",
  "is_error": true,
  "tool": "create_walmart_ad_item"
}

402 — Quota exhausted

{
  "success": false,
  "error": "\ud83d\udea8 Monthly limit reached (150/150 tool calls on Plus tier).\nUpgrade to Pro at https://adspirer.ai to keep building.",
  "is_error": true,
  "tool": "create_walmart_ad_item",
  "quota": {
    "used": 150,
    "limit": 150,
    "tier": "plus",
    "period_end": "2026-05-01",
    "upgrade_url": "https://adspirer.ai"
  }
}

Try it live

Interactive: Swagger UI

Machine-readable: OpenAPI 3.1 spec · llms-full.txt

More tools: Walmart Connect · All tools

Adspirer REST API — get an API key at adspirer.ai/keys · adspirer.ai