{
"openapi": "3.0.2",
"info": {
"title": "Klaviyo API",
"version": "2026-04-15",
"description": "The Klaviyo REST API. Please visit https://developers.klaviyo.com for more details.",
"contact": {
"name": "Klaviyo Developer Experience Team",
"email": "developers@klaviyo.com",
"url": "https://developers.klaviyo.com"
},
"termsOfService": "https://www.klaviyo.com/legal/api-terms",
"license": {
"name": "License",
"url": "https://www.klaviyo.com/legal"
}
},
"servers": [
{
"url": "https://a.klaviyo.com",
"description": "Production"
}
],
"security": [
{
"Klaviyo-API-Key": []
}
],
"paths": {
"/api/coupons": {
"get": {
"operationId": "get_coupons",
"summary": "Get Coupons",
"description": "Get all coupons in an account.\n\nTo learn more, see our [Coupons API guide](https://developers.klaviyo.com/en/docs/use_klaviyos_coupons_api).
*Rate limits*:
Burst: `75/s`
Steady: `750/m`\n\n**Scopes:**\n`coupons:read`\n\n[OpenAPI Spec](https://raw.githubusercontent.com/klaviyo/openapi/main/openapi/stable/apis/get_coupons.json)",
"parameters": [
{
"name": "fields[coupon]",
"in": "query",
"description": "For more information please visit https://developers.klaviyo.com/en/v2026-04-15/reference/api-overview#sparse-fieldsets",
"required": false,
"schema": {
"type": "array",
"items": {
"type": "string",
"enum": [
"description",
"external_id",
"id",
"monitor_configuration"
]
}
},
"explode": false
},
{
"name": "page[cursor]",
"in": "query",
"description": "For more information please visit https://developers.klaviyo.com/en/v2026-04-15/reference/api-overview#pagination",
"required": false,
"schema": {
"type": "string"
}
},
{
"name": "page[size]",
"in": "query",
"description": "Default: 100. Min: 1. Max: 100.",
"required": false,
"schema": {
"type": "integer",
"default": 100,
"maximum": 100,
"minimum": 1
}
},
{
"name": "revision",
"in": "header",
"description": "API endpoint revision (format: YYYY-MM-DD[.suffix])",
"required": true,
"schema": {
"type": "string",
"default": "2026-04-15"
}
}
],
"responses": {
"200": {
"description": "Success",
"content": {
"application/vnd.api+json": {
"schema": {
"$ref": "#/components/schemas/GetCouponResponseCollection"
}
}
}
},
"4XX": {
"$ref": "#/components/responses/ClientError"
},
"5XX": {
"$ref": "#/components/responses/ServerError"
}
},
"tags": [
"Coupons"
],
"x-klaviyo-pre-release": "None",
"x-klaviyo-ratelimit": {
"burst": "75/s",
"steady": "750/m"
},
"x-klaviyo-scopes": [
"coupons:read"
]
}
}
},
"components": {
"responses": {
"ClientError": {
"description": "Client Error",
"content": {
"application/vnd.api+json": {
"schema": {
"type": "object",
"properties": {
"errors": {
"type": "array",
"items": {
"type": "object",
"required": [
"id",
"code",
"title",
"detail"
],
"properties": {
"id": {
"type": "string"
},
"code": {
"type": "string"
},
"title": {
"type": "string"
},
"detail": {
"type": "string"
},
"source": {
"type": "object",
"properties": {
"pointer": {
"type": "string"
},
"parameter": {
"type": "string"
}
}
}
}
}
}
},
"required": [
"errors"
]
}
}
}
},
"ServerError": {
"description": "Server Error",
"content": {
"application/vnd.api+json": {
"schema": {
"type": "object",
"properties": {
"errors": {
"type": "array",
"items": {
"type": "object",
"required": [
"id",
"code",
"title",
"detail"
],
"properties": {
"id": {
"type": "string"
},
"code": {
"type": "string"
},
"title": {
"type": "string"
},
"detail": {
"type": "string"
},
"source": {
"type": "object",
"properties": {
"pointer": {
"type": "string"
},
"parameter": {
"type": "string"
}
}
}
}
}
}
},
"required": [
"errors"
]
}
}
}
}
},
"schemas": {
"CollectionLinks": {
"type": "object",
"properties": {
"self": {
"type": "string",
"format": "uri"
},
"prev": {
"type": "string",
"format": "uri"
},
"next": {
"type": "string",
"format": "uri"
}
},
"required": [
"self"
]
},
"CouponEnum": {
"type": "string",
"enum": [
"coupon"
]
},
"CouponResponseObjectResource": {
"type": "object",
"properties": {
"type": {
"$ref": "#/components/schemas/CouponEnum"
},
"id": {
"description": "The internal id of a Coupon is equivalent to its external id stored within an integration.",
"type": "string",
"example": "10OFF"
},
"attributes": {
"type": "object",
"properties": {
"external_id": {
"description": "This is the id that is stored in an integration such as Shopify or Magento.",
"type": "string",
"example": "10OFF"
},
"description": {
"description": "A description of the coupon.",
"type": "string",
"example": "10% off for purchases over $50",
"nullable": true
},
"monitor_configuration": {
"description": "The monitor configuration for the coupon.",
"type": "object",
"example": {
"low_balance_threshold": 500
},
"nullable": true
}
},
"required": [
"external_id"
]
},
"links": {
"$ref": "#/components/schemas/ObjectLinks"
}
},
"required": [
"type",
"id",
"attributes",
"links"
]
},
"GetCouponResponseCollection": {
"type": "object",
"properties": {
"data": {
"type": "array",
"items": {
"$ref": "#/components/schemas/CouponResponseObjectResource"
}
},
"links": {
"$ref": "#/components/schemas/CollectionLinks"
}
},
"required": [
"data"
]
},
"ObjectLinks": {
"type": "object",
"properties": {
"self": {
"type": "string",
"format": "uri"
}
},
"required": [
"self"
]
}
},
"securitySchemes": {
"Klaviyo-API-Key": {
"type": "apiKey",
"in": "header",
"name": "Authorization",
"description": "Private key authentication for /api/ endpoints is performed by setting the `Authorization` header to `Klaviyo-API-Key your-private-api-key`
For more information please visit https://developers.klaviyo.com/en/v2026-04-15/reference/api-overview#authentication",
"x-default": "Klaviyo-API-Key your-private-api-key"
}
}
},
"tags": [
{
"name": "Coupons",
"description": "coupons"
}
]
}