---
title: "Create an Advertiser"
method: POST
path: "/advertisers"
tags: ["Advertisers"]
---

# Create an Advertiser

`POST /advertisers`

## Request

- Base URL: `https://api.mediamath.com/api/v3.0`
- URL: `https://api.mediamath.com/api/v3.0/advertisers`
- Auth: OAuth 2
  - Authorization code: `https://auth.mediamath.com/authorize`
  - Token URL: `https://auth.mediamath.com/oauth/token` scopes: `offline_access`, `manage:services`
- TypeScript: <https://skmtc.dev/mediamath/apis/campaigns-api/docs/advertisers/post.ts> (a function with typed inputs; its response is checked against the schema)

Create an advertiser

## Request body

- AdvertiserCreate
  - `ad_server_id` integer, required
  - `data_sharing_enabled` boolean
  - `dmp_enabled` 'disabled' | 'inherits'
  - `domain` string, required
  - `external_id` string, nullable
  - `frequency_interval` 'hour' | 'day' | 'week' | 'month' | 'not-applicable', nullable
  - `frequency_type` 'no-limit' | 'asap' | 'even', nullable
  - `frequency_amount` integer, nullable
  - `minimize_multi_ads` boolean
  - `name` string, required
  - `status` boolean
  - `vertical_id` integer, required
  - `ads_txt_verified` 'ANY' | 'AUTHORIZED_ONLY' | 'AUTHORIZED_DIRECT_ONLY' | 'NONE', nullable
  - `political` boolean
  - `connected_id_type` 'DETERMINISTIC_FIRST'
  - `mfa_avoidance` 'INHERIT' | 'ALLOW_ALL' | 'EXCLUDE_MFA'
  - `attribution_level` 'INDIVIDUAL' | 'HOUSEHOLD'
  - `targeting_identity_level` 'INDIVIDUAL' | 'HOUSEHOLD'
  - `advertiser_brain` boolean
  - `vendor_attributions` object[], nullable
    - `vendor_id` integer
    - `impression_pixel` string
  - `agency_id` integer, required

## Response `201`

Advertiser created response

- AdvertiserResponse
  - `data` object
    - `ad_server_id` integer
    - `data_sharing_enabled` boolean
    - `dmp_enabled` 'disabled' | 'inherits'
    - `domain` string
    - `external_id` string, nullable
    - `frequency_interval` 'hour' | 'day' | 'week' | 'month' | 'not-applicable', nullable
    - `frequency_type` 'no-limit' | 'asap' | 'even', nullable
    - `frequency_amount` integer, nullable
    - `minimize_multi_ads` boolean
    - `name` string
    - `status` boolean
    - `vertical_id` integer
    - `ads_txt_verified` 'ANY' | 'AUTHORIZED_ONLY' | 'AUTHORIZED_DIRECT_ONLY' | 'NONE', nullable
    - `political` boolean
    - `connected_id_type` 'DETERMINISTIC_FIRST'
    - `mfa_avoidance` 'INHERIT' | 'ALLOW_ALL' | 'EXCLUDE_MFA'
    - `attribution_level` 'INDIVIDUAL' | 'HOUSEHOLD'
    - `targeting_identity_level` 'INDIVIDUAL' | 'HOUSEHOLD'
    - `advertiser_brain` boolean
    - `vendor_attributions` object[], nullable
      - `vendor_id` integer
      - `impression_pixel` string
    - `id` integer
    - `ad_server_fee` number
    - `agency_id` integer
    - `created_on` string, date-time
    - `entity_type` string
    - `updated_on` string, date-time
    - `version` integer
    - `effective_ads_txt_verified` string
    - `allow_x_strat_optimization` boolean
    - `billing_contact_id` integer
    - `sales_contact_id` integer, nullable
    - `agency` object
      - `id` integer
      - `name` string
      - `entity_type` string
      - `rel` string
    - `inherited_mfa_avoidance` 'INHERIT' | 'ALLOW_ALL' | 'EXCLUDE_MFA': available if mfa_avoidance = INHERIT
    - `inherited_mfa_from` 'Organization' | 'Agency' | 'Advertiser': available if mfa_avoidance = INHERIT
  - `meta` SingleMetadata
    - `status` string, required

## Other responses

- `400`: Error response
- `401`: Error response
- `403`: Error response

---

[API](https://skmtc.dev/mediamath/apis/campaigns-api.md) - [All operations](https://skmtc.dev/mediamath/apis/campaigns-api/llms.txt) - [OpenAPI document](https://skmtc.dev/mediamath/apis/campaigns-api/revisions/408743891def?raw)