---
title: "Create Audience"
method: POST
path: "/v2/campaigns/{id}/audiences"
tags: ["Campaigns V2"]
---

# Create Audience

`POST /v2/campaigns/{id}/audiences`

Creates a new audience in a campaign, appended after the existing audiences. If no `variants` are supplied, a single HOLDOUT variant at 0% is created (matching the legacy createTriggerExperiment behaviour). Provide a structured `rule_conditions` rule to set targeting; omit it to match all users. Requires campaigns:write scope.

## Path parameters

- `id` string, required — Campaign ID

## Request body

- object
  - `enabled` boolean — Whether this audience is enabled. Defaults to true
  - `rule_conditions` RuleConditions — Structured audience targeting rule (the dashboard rule-editor AST). Compiled server-side into the runtime expression and `expression_cel`. Provide an empty `conditions` array to match all users.
    - `operator` 'and' | 'or', required
    - `conditions` RuleCondition[], required
      - union
        - object
          - `type` 'condition', required
          - `lhs` union, required
            - object
              - …
            - object
              - …
          - `operator` 'eq' | 'neq' | 'c' | 'nc' | 'gt' | 'gte' | 'lt' | 'lte' | 't' | 'f' | 'null' | 'nnull', required
          - `rhs` union, required
            - object
              - …
            - object
              - …
            - object
              - …
            - object
              - …
            - object
              - …
        - object
          - `type` 'group', required
          - `operator` 'and' | 'or', required
          - `conditions` RuleCondition[], required
    - `entitlements` object
      - `type` 'entitlement', required
      - `rule` union, required
        - object
          - `type` 'no_active_entitlements', required
        - object
          - `type` 'always_true', required
        - object
          - `type` 'entitlement_conditions', required
          - `conditions` object[], required
            - `type` 'entitlement_condition', required
            - `identifier` string, required
            - `status` 'active' | 'inactive' | 'will_not_renew' | 'in_trial' | 'expired' | 'in_billing_retry', required
        - object
          - `type` 'any_will_not_renew', required
        - object
          - `type` 'any_in_trial', required
        - object
          - `type` 'any_expired_no_active', required
        - object
          - `type` 'any_active_subs_auto_renew_disabled', required
        - object
          - `type` 'any_in_billing_retry', required
  - `description` string, nullable — Human-readable description of the audience
  - `variant_optimization` union — Optimization strategy for variant allocation. Defaults to `none`
    - 'none' — No optimization, use fixed percentages
    - 'ucb1_bandit' — UCB1 multi-armed bandit optimization
  - `variants` object[] — Optional list of variants. If omitted, a single HOLDOUT variant at 0% is created (matching legacy behaviour).
    - `type` union, required — Whether this is a treatment or holdout variant
      - 'treatment' — Treatment variant that shows a paywall
      - 'holdout' — Holdout variant that does not show a paywall
    - `paywall` string, nullable, required — a string to be decoded into a number
    - `percentage` number — Traffic percentage allocated to this variant (0-100). When omitted on createVariant, the server applies the legacy default — first treatment / first holdout gets 100%, subsequent variants get 0%.

## Response `200`

Success

- object
  - `id` string, required — Unique identifier for the audience
  - `object` 'audience', required — Object type, always `audience`
  - `enabled` boolean, required — Whether this audience is enabled
  - `expression` string, nullable, required — Compiled filter expression for matching users, or null for all users
  - `rule_conditions` unknown, required
  - `expression_cel` string, nullable, required — The CEL expression evaluated by modern SDKs, derived from `rule_conditions`. Null when the audience has no structured rule.
  - `expression_sql` string, nullable, required — The dashboard-side SQL compilation of `rule_conditions` (for preview/copy). Null when the audience has no structured rule.
  - `rank` string, required — Priority rank of this audience within the campaign
  - `description` string, nullable, required — Human-readable description of the audience
  - `variant_optimization` union, required — Optimization strategy for variant allocation
    - 'none' — No optimization, use fixed percentages
    - 'ucb1_bandit' — UCB1 multi-armed bandit optimization
  - `variants` object[], required — List of variants in this audience
    - `id` string, required — Unique identifier for the variant
    - `object` 'variant', required — Object type, always `variant`
    - `type` union, required — Whether this is a treatment or holdout variant
      - 'treatment' — Treatment variant that shows a paywall
      - 'holdout' — Holdout variant that does not show a paywall
    - `paywall` string, nullable, required — a string to be decoded into a number
    - `percentage` number, required — Traffic percentage allocated to this variant (0-100)
    - `created_at` string, required — ISO 8601 timestamp of when the variant was created
  - `frequency_limit` object, nullable, required — How often each user can be matched into this audience
    - `occurrences` integer, required — an integer
    - `interval` union, required — Time window for a frequency limit
      - object
        - `type` 'infinity', required
      - object
        - `type` 'minutes', required
        - `minutes` integer, required — an integer

## Other responses

- `400` — The request did not match the expected schema
- `401` — No API key was provided in the request
- `403` — The API key does not have permission to perform this action
- `404` — The requested resource was not found
- `429` — Too many requests have been made in a short period
- `500` — A required post-operation side effect failed

---

[API](https://skmtc.dev/superwall/apis/superwall-api-v2.md) · [All operations](https://skmtc.dev/superwall/apis/superwall-api-v2/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/superwall/superwall-api-v2/revisions/e04f76c478af/schema)