openapi: 3.1.0
info:
  title: 1inch Developer Portal APIs Balance GasPrice 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: GasPrice
paths:
  /gas-price/v1.5/{chain}:
    get:
      tags:
      - GasPrice
      summary: Get EIP-1559 gas price estimates
      parameters:
      - $ref: '#/components/parameters/Chain'
      responses:
        '200':
          description: Gas price tiers
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 <token>`.

        '