Properties
| Name | Type | Description |
|---|---|---|
| id | string | |
| template_id | string | |
| body | object | |
| styles | array |
JSON Schema
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"$id": "#/components/schemas/TemplateDefinition",
"title": "TemplateDefinition",
"type": "object",
"properties": {
"id": {
"type": "string",
"nullable": true,
"readOnly": true
},
"template_id": {
"type": "string",
"nullable": true,
"readOnly": true
},
"body": {
"$ref": "#/components/schemas/Body"
},
"styles": {
"type": "array",
"items": {
"oneOf": [
{
"$ref": "#/components/schemas/BaseStyle"
},
{
"$ref": "#/components/schemas/TextStyleV1"
},
{
"$ref": "#/components/schemas/Heading1Style"
},
{
"$ref": "#/components/schemas/Heading2Style"
},
{
"$ref": "#/components/schemas/Heading3Style"
},
{
"$ref": "#/components/schemas/Heading4Style"
},
{
"$ref": "#/components/schemas/LinkStyle"
},
{
"$ref": "#/components/schemas/MobileStyle"
}
]
}
}
},
"required": [
"body",
"styles"
]
}
Work with this as data
Every JSON Schema here is available over the APIs.io API and to AI agents over MCP.
MCP server
One button, every client — Claude, Cursor, VS Code and the rest.
https://apis.io/mcp
Tools for schemas
4 MCP tools reach this
find_json_schemasBrowse and filter every JSON Schema in the catalog.apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.resolveTurn a domain, URL or GitHub org into the provider it belongs to.find_cohortsEvery scored population of providers in the catalog.
Call it yourself
curl for this page
This JSON Schema
curl "https://apis.io/api/v1/json-schemas/klaviyo-templatedefinition"
All schemas
curl "https://apis.io/api/v1/json-schemas?limit=25"
Discovery needs no key. Ratings and market analysis are Pro.
Get an API key
Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.
A second provider on the same verified email joins the account you already have.