{
"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/forms": {
"get": {
"operationId": "get_forms",
"summary": "Get Forms",
"description": "Get all forms in an account.
*Rate limits*:
Burst: `3/s`
Steady: `60/m`\n\n**Scopes:**\n`forms:read`\n\n[OpenAPI Spec](https://raw.githubusercontent.com/klaviyo/openapi/main/openapi/stable/apis/get_forms.json)",
"parameters": [
{
"name": "fields[form]",
"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": [
"ab_test",
"created_at",
"id",
"name",
"status",
"updated_at"
]
}
},
"explode": false
},
{
"name": "filter",
"in": "query",
"description": "For more information please visit https://developers.klaviyo.com/en/v2026-07-15/reference/api-overview#filtering
Allowed field(s)/operator(s):
`id`: `any`, `equals` (string)
`name`: `any`, `contains`, `equals` (string)
`ab_test`: `equals` (boolean)
`updated_at`: `greater-or-equal`, `greater-than`, `less-or-equal`, `less-than` (date-time)
`created_at`: `greater-or-equal`, `greater-than`, `less-or-equal`, `less-than` (date-time)
`status`: `equals` (allowed values: `'live'`, `'draft'`)",
"schema": {
"type": "string",
"example": "equals(id,'Y6nRLr')"
}
},
{
"name": "page[cursor]",
"in": "query",
"description": "For more information please visit https://developers.klaviyo.com/en/v2026-07-15/reference/api-overview#pagination",
"required": false,
"schema": {
"type": "string"
}
},
{
"name": "page[size]",
"in": "query",
"description": "Default: 20. Min: 1. Max: 100.",
"required": false,
"schema": {
"type": "integer",
"default": 20,
"maximum": 100,
"minimum": 1
}
},
{
"name": "sort",
"in": "query",
"description": "For more information please visit https://developers.klaviyo.com/en/v2026-07-15/reference/api-overview#sorting",
"schema": {
"type": "string",
"enum": [
"created_at",
"-created_at",
"updated_at",
"-updated_at"
]
}
},
{
"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": {
"$ref": "#/components/schemas/GetFormResponseCollection"
}
}
}
},
"4XX": {
"$ref": "#/components/responses/ClientError"
},
"5XX": {
"$ref": "#/components/responses/ServerError"
}
},
"tags": [
"Forms"
],
"x-klaviyo-filters": {
"id": {
"operators": {
"list": [
"any",
"equals"
],
"single": [
"equals"
]
},
"value": {
"type": "string"
}
},
"name": {
"operators": {
"list": [
"any",
"equals"
],
"single": [
"contains",
"equals"
]
},
"value": {
"type": "string"
}
},
"ab_test": {
"operators": {
"single": [
"equals"
]
},
"value": {
"type": "boolean"
}
},
"updated_at": {
"operators": {
"single": [
"greater-or-equal",
"greater-than",
"less-or-equal",
"less-than"
]
},
"value": {
"type": "string",
"format": "date-time"
}
},
"created_at": {
"operators": {
"single": [
"greater-or-equal",
"greater-than",
"less-or-equal",
"less-than"
]
},
"value": {
"type": "string",
"format": "date-time"
}
},
"status": {
"operators": {
"single": [
"equals"
]
},
"value": {
"type": "string",
"enum": [
"live",
"draft"
]
}
}
},
"x-klaviyo-pre-release": "None",
"x-klaviyo-ratelimit": {
"burst": "3/s",
"steady": "60/m"
},
"x-klaviyo-scopes": [
"forms: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"
}
}
}
},
"CollectionLinks": {
"type": "object",
"properties": {
"self": {
"type": "string",
"format": "uri"
},
"prev": {
"type": "string",
"format": "uri"
},
"next": {
"type": "string",
"format": "uri"
}
},
"required": [
"self"
]
},
"FormEnum": {
"type": "string",
"enum": [
"form"
]
},
"FormResponseObjectResource": {
"type": "object",
"properties": {
"type": {
"$ref": "#/components/schemas/FormEnum"
},
"id": {
"description": "ID of the form. Generated by Klaviyo.",
"type": "string",
"example": "Y6nRLr"
},
"attributes": {
"type": "object",
"properties": {
"name": {
"description": "Name of the form.",
"type": "string",
"example": "Cyber Monday Deals"
},
"status": {
"description": "Status of the form. A live form with an in-progress draft is considered \"live\".",
"type": "string",
"enum": [
"draft",
"live"
]
},
"ab_test": {
"description": "Whether the form has an A/B test configured, regardless of its status.",
"type": "boolean"
},
"created_at": {
"description": "ISO8601 timestamp when the form was created.",
"type": "string",
"format": "date-time",
"example": "2024-03-04T00:00:00Z"
},
"updated_at": {
"description": "ISO8601 timestamp when the form was last updated.",
"type": "string",
"format": "date-time",
"example": "2024-03-04T00:00:00Z"
}
},
"required": [
"name",
"status",
"ab_test",
"created_at",
"updated_at"
]
},
"relationships": {
"type": "object",
"properties": {
"form-versions": {
"type": "object",
"properties": {
"data": {
"type": "array",
"items": {
"type": "object",
"required": [
"type",
"id"
],
"properties": {
"type": {
"$ref": "#/components/schemas/FormVersionEnum"
},
"id": {
"type": "string"
}
}
}
},
"links": {
"$ref": "#/components/schemas/RelationshipLinks"
}
}
}
}
},
"links": {
"$ref": "#/components/schemas/ObjectLinks"
}
},
"required": [
"type",
"id",
"attributes",
"links"
]
},
"FormVersionEnum": {
"type": "string",
"enum": [
"form-version"
]
},
"GetFormResponseCollection": {
"type": "object",
"properties": {
"data": {
"type": "array",
"items": {
"$ref": "#/components/schemas/FormResponseObjectResource"
}
},
"links": {
"$ref": "#/components/schemas/CollectionLinks"
},
"meta": {
"$ref": "#/components/schemas/ResponseMeta"
}
},
"required": [
"data"
]
},
"ObjectLinks": {
"type": "object",
"properties": {
"self": {
"type": "string",
"format": "uri"
}
},
"required": [
"self"
]
},
"RelationshipLinks": {
"type": "object",
"properties": {
"self": {
"type": "string",
"format": "uri"
},
"related": {
"type": "string",
"format": "uri"
}
},
"required": [
"self",
"related"
]
},
"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": "Forms",
"description": "forms"
}
]
}