---
title: "Apply Promo"
method: POST
path: "/v1/organizations/billing/apply-promo"
tags: ["Organization Billing"]
---

# Apply Promo

`POST /v1/organizations/billing/apply-promo`

Apply a promo code to the organization's active subscription.

Every failure carries a reason (invalid / expired / exhausted / product
mismatch / no subscription) — never a silent no-op.

## Request body

- ApplyPromoRequest
  - `code` string, required

## Response `200`

Successful Response

- ApplyPromoResponse
  - `applied` boolean, required
  - `code` string, required
  - `percent_off` number, nullable
  - `amount_off_cents` integer, nullable
  - `duration` string, nullable
  - `duration_in_months` integer, nullable
  - `expires_at` integer, nullable

## Other responses

- `400` — Bad Request
- `401` — Unauthorized
- `403` — Forbidden
- `404` — Not Found
- `422` — Validation Error
- `500` — Internal Server Error

---

[API](https://skmtc.net/mixpeek/apis/mixpeek-api.md) · [All operations](https://skmtc.net/mixpeek/apis/mixpeek-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/mixpeek/mixpeek-api/revisions/27f74c951c4d/schema)