1inch

1inch Balance API

The Balance API from 1inch — 1 operation(s) for balance.

GitHub OpenAPI

Operations 1

GET /balance/v1.2/{chain}/balances/{walletAddress} Get wallet token balances

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/one-inch/refs/heads/main/openapi/one-inch-balance-api-openapi.yml

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OpenAPI Specification

one-inch-balance-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: 1inch Developer Portal Balance 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: Balance
paths:
  /balance/v1.2/{chain}/balances/{walletAddress}:
    get:
      tags:
      - Balance
      summary: Get wallet token balances
      parameters:
      - $ref: '#/components/parameters/Chain'
      - in: path
        name: walletAddress
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Balances keyed by token address
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>`.

        '