Create a coupon

POST /v1/admin/billing/coupons

• Operation ID: createBillingCoupon
• Tags: Billing coupons
• Base URL: http://localhost:8787

Creates a Stripe coupon (percent or amount off). Audited; publishes a dashboard event. Stripe API errors are not mapped and surface as 500.

Workflow: Integration guide.

Authentication: staff Bearer JWT with permission billing.write.

Authentication

• Auth: staff Bearer JWT (Authorization: Bearer <access_token>) with the permissions below.
• Required permissions: billing.write

Request body

Required: yes.

Content type: application/json

Schema: object

Field	Type	Required	Description
name	string	yes	Min length: 1. Max length: 200
percentOff	number	no	Min: 1. Max: 100
amountOff	integer	no	Greater than: 0
currency	string	no	Min length: 3. Max length: 3
duration	string	no	One of: "once", "repeating", "forever". Default: "once"
durationInMonths	integer	no	Greater than: 0
maxRedemptions	integer	no	Greater than: 0

Responses

201

Coupon created.

• Header x-request-id: Request identifier; quote it when reporting an error. Content type: application/json

Schema: object (BillingCoupon)

Field	Type	Required	Description
id	string	yes	-
object	string	yes	One of: "coupon"
name	string | null	yes	-
percent_off	number | null	yes	-
amount_off	number | null	yes	-
currency	string | null	yes	-
duration	string	yes	One of: "once", "repeating", "forever"
duration_in_months	number | null	yes	-
max_redemptions	number | null	yes	-
times_redeemed	number	yes	-
valid	boolean	yes	-
created	number	yes	Unix seconds.
livemode	boolean	yes	-

Errors

400

Request validation failed.

• Header x-request-id: Request identifier; quote it when reporting an error. Content type: application/json

Schema: object (ValidationErrorBody)

Field	Type	Required	Description
success	boolean	yes	One of: false
error	object	yes	-
error.name	string	yes	One of: "ZodError"
error.issues	object[]	yes	-
error.issues[].code	string	yes	-
error.issues[].path	(string | number)[]	yes	-
error.issues[].message	string	yes	-

Request validation

{
  "success": false,
  "error": {
    "name": "ZodError",
    "issues": [
      {
        "code": "custom",
        "path": [
          "field"
        ],
        "message": "Invalid value"
      }
    ]
  }
}

401

Missing, malformed, expired or wrong-audience Bearer token (missing_token, invalid_token, invalid_audience).

• Header x-request-id: Request identifier; quote it when reporting an error. Content type: application/json

Schema: object (ErrorBody)

Field	Type	Required	Description
error	string	yes	Stable machine-readable error code, e.g. forbidden, not_found.
details	any	no	Optional structured context. For 403 it is { perm }.

Error response

{
  "error": "missing_token"
}

403

Authenticated but lacking the required permission. details.perm lists the accepted permission keys.

• Header x-request-id: Request identifier; quote it when reporting an error. Content type: application/json

Schema: object (ErrorBody), fields as described above.

Error response

{
  "error": "forbidden",
  "details": {
    "perm": "billing.write"
  }
}

500

Unexpected server error (internal). No details are returned.

• Header x-request-id: Request identifier; quote it when reporting an error. Content type: application/json

Schema: object (ErrorBody), fields as described above.

Error response

{
  "error": "internal"
}

Examples

curl

curl -X POST 'http://localhost:8787/v1/admin/billing/coupons' \
  -H "Authorization: Bearer $ACCESS_TOKEN" \
  -H 'Content-Type: application/json' \
  --data '{"name":"example","percentOff":1,"amountOff":1,"currency":"exa","duration":"once","durationInMonths":1,"maxRedemptions":1}'

TypeScript

const accessToken = process.env.ACCESS_TOKEN; // user JWT from your sign-in flow

const response = await fetch("http://localhost:8787/v1/admin/billing/coupons", {
  method: "POST",
  headers: {
    "Authorization": `Bearer ${accessToken}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    "name": "example",
    "percentOff": 1,
    "amountOff": 1,
    "currency": "exa",
    "duration": "once",
    "durationInMonths": 1,
    "maxRedemptions": 1
  }),
});
if (!response.ok) throw new Error(`HTTP ${response.status}: ${await response.text()}`);
const data = response.status === 204 || response.status === 205
  ? undefined
  : response.headers.get("content-type")?.includes("json")
    ? await response.json()
    : await response.text();