API ReferencePromotions
Create a promotion
Create a promotion and its discount phases in evaluation order.
At least one phase is required. Phase array order becomes the stored one-based position.
AuthorizationBearer <token>
Provide your SellApp API key as a bearer token.
In: header
Header Parameters
X-STORE?string
Store slug. Required for OAuth access tokens. API keys may omit it to use their current store, or the first accessible store when no current store is selected.
Request Body
application/json
TypeScript Definitions
Use the request body type in TypeScript.
Response Body
application/json
application/json
application/json
application/json
application/json
application/json
application/json
curl -X POST "https://sell.app/api/v2/promotions" \ -H "X-STORE: launch-lab" \ -H "Content-Type: application/json" \ -d '{ "name": "Ship Week", "status": "active", "starts_at": "2026-08-01T00:00:00Z", "ends_at": "2026-08-08T00:00:00Z", "priority": 1, "is_stackable": false, "max_redemptions": 500, "phases": [ { "discount_type": "percentage", "discount_value": "20", "ends_at": "2026-08-04T00:00:00Z", "max_redemptions": 200, "minimum_amount": "10" }, { "discount_type": "fixed", "discount_value": "5", "ends_at": null, "max_redemptions": null, "minimum_amount": "25" } ] }'{
"data": {
"name": "Ship Week",
"status": "active",
"starts_at": "2026-08-01T00:00:00Z",
"ends_at": "2026-08-08T00:00:00Z",
"priority": 1,
"is_stackable": false,
"max_redemptions": 500,
"phases": [
{
"discount_type": "percentage",
"discount_value": "20",
"ends_at": "2026-08-04T00:00:00Z",
"max_redemptions": 200,
"minimum_amount": "10",
"id": 101,
"promotion_id": 1,
"sort_order": 1
},
{
"discount_type": "fixed",
"discount_value": "5",
"ends_at": null,
"max_redemptions": null,
"minimum_amount": "25",
"id": 102,
"promotion_id": 1,
"sort_order": 2
}
],
"id": 1,
"created_at": "2026-08-30T12:00:01.000000Z",
"updated_at": "2026-08-30T12:00:01.000000Z",
"deleted_at": null
}
}{
"type": "invalid_request_error",
"code": "bad_request",
"message": "The request could not be understood.",
"status": 400,
"param": null,
"request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
"docs_url": "https://sell.app/docs/api/errors#bad-request"
}{
"type": "authentication_error",
"code": "unauthenticated",
"message": "Unauthenticated.",
"status": 401,
"param": null,
"request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
"docs_url": "https://sell.app/docs/api/errors#unauthenticated"
}{
"type": "authorization_error",
"code": "forbidden",
"message": "This action is unauthorized.",
"status": 403,
"param": null,
"request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
"docs_url": "https://sell.app/docs/api/errors#forbidden"
}{
"type": "validation_error",
"code": "validation_failed",
"message": "The selected product variant id is invalid.",
"status": 422,
"param": "product_variant_id",
"request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
"docs_url": "https://sell.app/docs/api/errors#validation-failed",
"errors": {
"product_variant_id": [
"The selected product variant id is invalid."
]
}
}{
"type": "rate_limit_error",
"code": "rate_limit_exceeded",
"message": "Too Many Attempts.",
"status": 429,
"param": null,
"request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
"docs_url": "https://sell.app/docs/api/errors#rate-limit-exceeded"
}{
"type": "api_error",
"code": "api_error",
"message": "Server Error",
"status": 500,
"param": null,
"request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
"docs_url": "https://sell.app/docs/api/errors#api-error"
}