Properties
| Name | Type | Description |
|---|---|---|
| address | object | |
| address2 | object | |
| city | object | |
| country | object | |
| object | ||
| fax | object | |
| first_name | object | |
| id | object | |
| last_name | object | |
| organization | object | |
| phone | object | |
| state | object | |
| zip | object |
JSON Schema
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"$id": "#/components/schemas/registrar-api_contact_properties",
"title": "registrar-api_contact_properties",
"properties": {
"address": {
"$ref": "#/components/schemas/registrar-api_address"
},
"address2": {
"$ref": "#/components/schemas/registrar-api_address2"
},
"city": {
"$ref": "#/components/schemas/registrar-api_city"
},
"country": {
"$ref": "#/components/schemas/registrar-api_country"
},
"email": {
"$ref": "#/components/schemas/registrar-api_email"
},
"fax": {
"$ref": "#/components/schemas/registrar-api_fax"
},
"first_name": {
"$ref": "#/components/schemas/registrar-api_first_name"
},
"id": {
"$ref": "#/components/schemas/registrar-api_contact_identifier"
},
"last_name": {
"$ref": "#/components/schemas/registrar-api_last_name"
},
"organization": {
"$ref": "#/components/schemas/registrar-api_organization"
},
"phone": {
"$ref": "#/components/schemas/registrar-api_telephone"
},
"state": {
"$ref": "#/components/schemas/registrar-api_state"
},
"zip": {
"$ref": "#/components/schemas/registrar-api_zipcode"
}
},
"required": [
"first_name",
"last_name",
"address",
"city",
"state",
"zip",
"country",
"phone",
"organization"
],
"type": "object"
}
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/apis-io-engineering-platform-registrar-api-contact-properties"
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.