{ "openapi": "3.0.2", "info": { "title": "Klaviyo API", "version": "2026-07-15", "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/coupon-codes/{id}/coupon": { "get": { "operationId": "get_coupon_for_coupon_code", "summary": "Get Coupon For Coupon Code", "description": "Get the coupon associated with a given coupon code ID.

*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_coupon_for_coupon_code.json)", "parameters": [ { "name": "id", "in": "path", "description": "The ID of the coupon to look up the relationship of.", "required": true, "schema": { "description": "The ID of the coupon to look up the relationship of.", "type": "string", "example": "10OFF" } }, { "name": "fields[coupon]", "in": "query", "description": "For more information please visit https://developers.klaviyo.com/en/v2026-07-15/reference/api-overview#sparse-fieldsets", "required": false, "schema": { "type": "array", "items": { "type": "string", "enum": [ "description", "external_id", "id", "monitor_configuration" ] } }, "explode": false }, { "name": "revision", "in": "header", "description": "API endpoint revision (format: YYYY-MM-DD[.suffix])", "required": true, "schema": { "type": "string", "default": "2026-07-15" } } ], "responses": { "200": { "description": "Success", "content": { "application/vnd.api+json": { "schema": { "$ref": "#/components/schemas/GetCouponResponse" } } } }, "4XX": { "$ref": "#/components/responses/ClientError" }, "5XX": { "$ref": "#/components/responses/ServerError" } }, "tags": [ "Coupons" ], "x-klaviyo-operation-aliases": [ "get_coupon_code_coupon" ], "x-klaviyo-pre-release": "None", "x-klaviyo-ratelimit": { "burst": "75/s", "steady": "750/m" }, "x-klaviyo-scopes": [ "coupons:read" ] } } }, "components": { "responses": { "ClientError": { "description": "Client Error", "content": { "application/vnd.api+json": { "schema": { "type": "object", "properties": { "errors": { "type": "array", "items": { "type": "object", "required": [ "id", "code", "title", "detail" ], "properties": { "id": { "type": "string" }, "code": { "type": "string" }, "title": { "type": "string" }, "detail": { "type": "string" }, "source": { "type": "object", "properties": { "pointer": { "type": "string" }, "parameter": { "type": "string" } } } } } } }, "required": [ "errors" ] } } } }, "ServerError": { "description": "Server Error", "content": { "application/vnd.api+json": { "schema": { "type": "object", "properties": { "errors": { "type": "array", "items": { "type": "object", "required": [ "id", "code", "title", "detail" ], "properties": { "id": { "type": "string" }, "code": { "type": "string" }, "title": { "type": "string" }, "detail": { "type": "string" }, "source": { "type": "object", "properties": { "pointer": { "type": "string" }, "parameter": { "type": "string" } } } } } } }, "required": [ "errors" ] } } } } }, "schemas": { "AgentHints": { "description": "Optional hints emitted by the API for agent callers", "type": "object", "properties": { "next_steps": { "description": "Suggested follow-up actions for agents to take after this response", "type": "array", "items": { "type": "string" } } } }, "CouponEnum": { "type": "string", "enum": [ "coupon" ] }, "CouponResponseObjectResource": { "type": "object", "properties": { "type": { "$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" ] }, "GetCouponResponse": { "type": "object", "properties": { "data": { "allOf": [ { "$ref": "#/components/schemas/CouponResponseObjectResource" } ], "nullable": true }, "links": { "$ref": "#/components/schemas/ObjectLinks" }, "meta": { "$ref": "#/components/schemas/ResponseMeta" } }, "required": [ "data" ] }, "ObjectLinks": { "type": "object", "properties": { "self": { "type": "string", "format": "uri" } }, "required": [ "self" ] }, "ResponseMeta": { "description": "Response-level metadata", "type": "object", "properties": { "agent_hints": { "$ref": "#/components/schemas/AgentHints" } } } }, "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/v2026-07-15/reference/api-overview#authentication", "x-default": "Klaviyo-API-Key your-private-api-key" } } }, "tags": [ { "name": "Coupons", "description": "coupons" } ] }