JSON to TypeScript | Useful Online Tools

Source JSON

API Response / Object

Root Type / Interface Name

export keyword readonly properties optional (?) fields

JSON Payload

Generated Definitions

TypeScript Interfaces

Generated Output

export interface OrderPayload {
  id: string;
  status: string;
  amountCents: number;
  taxIncluded: boolean;
  discountCode: null;
  customer: OrderPayloadCustomer;
  lineItems: OrderPayloadLineItem[];
}

export interface OrderPayloadLineItem {
  sku: string;
  quantity: number;
  unitPrice: number;
  metadata: OrderPayloadLineItemMetadata;
}

export interface OrderPayloadLineItemMetadata {
  autoRenew: boolean;
}

export interface OrderPayloadCustomer {
  id: number;
  email: string;
  roles: string[];
}

Inferred 4 definitions

Nested objects and array item shapes were automatically extracted.

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