openapi: 3.1.0 info: title: 1inch Developer Portal APIs Balance Orderbook API description: '1inch exposes a suite of REST APIs through its Developer / Business portal (https://business.1inch.com/portal/documentation/overview). This OpenAPI document covers the most commonly used products surfaced in the 1inch apis.yml profile: Swap (classic aggregation), Orderbook (limit orders), Balance, Spot Price, Token, Portfolio, and Gas Price. All endpoints are versioned under their own subpath on `https://api.1inch.dev` and authenticate with a Bearer token issued from the developer portal. ' version: 1.0.0 contact: name: 1inch url: https://business.1inch.com/portal/documentation/overview servers: - url: https://api.1inch.dev description: 1inch Developer API gateway security: - BearerAuth: [] tags: - name: Orderbook paths: /orderbook/v4.0/{chain}/order: post: tags: - Orderbook summary: Submit a limit order parameters: - $ref: '#/components/parameters/Chain' requestBody: required: true content: application/json: schema: type: object additionalProperties: true responses: '201': description: Order submitted /orderbook/v4.0/{chain}/orders: get: tags: - Orderbook summary: List limit orders parameters: - $ref: '#/components/parameters/Chain' - in: query name: page schema: type: integer - in: query name: limit schema: type: integer responses: '200': description: Orders components: parameters: Chain: in: path name: chain required: true schema: type: integer description: EVM chain ID (e.g. 1 for Ethereum, 137 for Polygon) securitySchemes: BearerAuth: type: http scheme: bearer description: 'API key issued from https://portal.1inch.dev passed as `Authorization: Bearer `. '