Preview a promo code before signup

gethttps://api.expiryedge.com/v1/checkPromoCode

Public - no API key10/15 min

Request

curl 'https://api.expiryedge.com/v1/checkPromoCode?code=LAUNCH80'

Response

{
  "valid": true,
  "code": "LAUNCH80",
  "discount_percentage": 80,
  "expiry_window_hours": 72
}

Read-only preview for the signup page; the code is applied at register (promo_code). Unknown codes and server errors return 200 with valid: false.

Query parameters

codestringrequired
Promo code (case-insensitive).

Returns

200

Code validity.

validbooleanrequired
reasonstring
Allowedmissing_codeinvalid_or_expirederror
codestring
discount_percentagenumber
expiry_window_hoursnumber
Hours after signup during which the discount can be redeemed.

Errors

`400`	Missing `code`.
`429`	Too many requests for this endpoint from your IP. Wait `Retry-After` seconds.