> ## Documentation Index
> Fetch the complete documentation index at: https://docs.gate.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Query Supported Convert Currencies

> Query available convert currencies.

## Overview

This page documents the `GET /v1/pay/convert/currency` endpoint. The full schema, parameters, and examples are rendered from the linked OpenAPI definition above.

## Notes

* Authentication uses the standard GatePay signed headers.
* This page documents the standard merchant endpoint.
* For shared signing rules, see [/api-reference/version/100/en/common/securityAndSignature](/api-reference/version/100/en/common/securityAndSignature).


## OpenAPI

````yaml /api-reference/version/100/en/openapi/convert-openapi.json GET /v1/pay/convert/currency
openapi: 3.1.0
info:
  title: GatePay Balance Account Convert API
  description: >-
    Provides an API for direct convert from the balance account, avoiding the
    need for users to first transfer to the spot account.
  version: 1.0.0
servers:
  - url: https://openplatform.gateapi.io
security: []
paths:
  /v1/pay/convert/currency:
    get:
      summary: Query Available Convert Currencies
      description: Query available convert currencies.
      parameters:
        - $ref: '#/components/parameters/X-GatePay-Certificate-ClientId'
        - $ref: '#/components/parameters/X-GatePay-Signature'
        - $ref: '#/components/parameters/X-GatePay-Timestamp'
        - $ref: '#/components/parameters/X-GatePay-Nonce'
        - name: side
          in: query
          required: false
          description: Trade direction ("buy" or "sell")
          schema:
            type: string
            enum:
              - buy
              - sell
            example: sell
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/CurrencyListResponse'
              examples:
                success:
                  summary: Success response
                  value:
                    status: SUCCESS
                    code: '000000'
                    errorMessage: ''
                    data:
                      currency:
                        - USDT
                        - GT
                        - HOOK
                        - ETH
                        - DOT
                        - BTC
                        - DAL
                        - LTC
                        - COS
                        - POL
                        - SOL
                        - DOGE
                        - ALGO
                        - STPT
                        - BCH
                        - SHIB
components:
  parameters:
    X-GatePay-Certificate-ClientId:
      name: X-GatePay-Certificate-ClientId
      in: header
      required: true
      description: Merchant client ID assigned when registering the application
      schema:
        type: string
        example: mZ96D37oKk-HrWJc
    X-GatePay-Signature:
      name: X-GatePay-Signature
      in: header
      required: true
      description: Request signature for verification
      schema:
        type: string
        example: >-
          8504fe097f7297f8952c76e628ce59dbc93d1df64c95f26c73140ef365d4aa1471826ada0534315461682ec35c131d7e133c51d2ab0822fe7366650a111887ba
    X-GatePay-Timestamp:
      name: X-GatePay-Timestamp
      in: header
      required: true
      description: UTC timestamp in milliseconds
      schema:
        type: string
        example: '1740019013818'
    X-GatePay-Nonce:
      name: X-GatePay-Nonce
      in: header
      required: true
      description: Random string, recommended length within 32 characters
      schema:
        type: string
        example: '9722139164'
  schemas:
    CurrencyListResponse:
      type: object
      properties:
        status:
          type: string
          description: SUCCESS or FAIL
        code:
          type: string
          description: Error code
        errorMessage:
          type: string
          description: Error message
        data:
          type: object
          properties:
            currency:
              type: array
              description: Currency list
              items:
                type: string

````