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Source: Roblox Creator Hub · CC BY 4.0 · View source · Code samples: MIT Imported 2026-10-03. Formatting adapted for this site.

POST /v2/trades/{tradeId}/counter — openapi

Counters an existing trade.

Endpoint

Method: POST

Path: /v2/trades/{tradeId}/counter

Servers:

• https://trades.roblox.com

Parameters

[
  {
    "in": "path",
    "name": "tradeId",
    "required": true,
    "schema": {
      "type": "integer",
      "format": "int64"
    }
  }
]

Request Body

{
  "$ref": "#/components/requestBodies/Roblox.Trades.Api.Models.V2.TradeRequest"
}

Responses

{
  "200": {
    "description": "OK",
    "content": {
      "application/json": {
        "schema": {
          "$ref": "#/components/schemas/Roblox.Trades.Api.Models.V2.NewTradeResponse"
        }
      },
      "text/json": {
        "schema": {
          "$ref": "#/components/schemas/Roblox.Trades.Api.Models.V2.NewTradeResponse"
        }
      }
    }
  },
  "401": {
    "description": "0: Authorization has been denied for this request.\r\n4: You are not authorized to modify this trade."
  },
  "403": {
    "description": "0: Token Validation Failed"
  },
  "404": {
    "description": "0: An unknown error occured."
  }
}

Authentication

{
  "security": [
    {
      "roblox-legacy-cookie": []
    }
  ],
  "securitySchemes": {
    "roblox-api-key": {
      "type": "apiKey",
      "description": "A configurable key that allows granular access to Roblox resources. See https://create.roblox.com/docs/cloud/auth/api-keys for more information.",
      "name": "x-api-key",
      "in": "header"
    },
    "roblox-legacy-cookie": {
      "type": "apiKey",
      "description": "A browser cookie that represents the identity of a Roblox user. DO NOT SHARE THIS. Sharing this will allow someone to log in as you and to steal your Robux and items. We do not recommend using cookies to call endpoints. When possible, use API keys with the x-api-key header or OAuth 2.0 instead for authentication.",
      "in": "cookie",
      "name": ".ROBLOSECURITY"
    },
    "roblox-oauth2": {
      "type": "oauth2",
      "description": "Build or authorize apps to access Roblox resources. See https://create.roblox.com/docs/cloud/auth/oauth2-overview for more information.",
      "flows": {
        "authorizationCode": {
          "authorizationUrl": "https://apis.roblox.com/oauth/v1/authorize",
          "tokenUrl": "https://apis.roblox.com/oauth/v1/token",
          "refreshUrl": "https://apis.roblox.com/oauth/v1/token",
          "scopes": {}
        }
      }
    }
  }
}

Related Schemas

• Roblox.Trades.Api.Models.V2.NewTradeResponse

Related Components

• components/requestBodies/Roblox.Trades.Api.Models.V2.TradeRequest

Complete Operation Definition

{
  "tags": [
    "Trades"
  ],
  "summary": "Counters an existing trade.",
  "parameters": [
    {
      "in": "path",
      "name": "tradeId",
      "required": true,
      "schema": {
        "type": "integer",
        "format": "int64"
      }
    }
  ],
  "requestBody": {
    "$ref": "#/components/requestBodies/Roblox.Trades.Api.Models.V2.TradeRequest"
  },
  "responses": {
    "200": {
      "description": "OK",
      "content": {
        "application/json": {
          "schema": {
            "$ref": "#/components/schemas/Roblox.Trades.Api.Models.V2.NewTradeResponse"
          }
        },
        "text/json": {
          "schema": {
            "$ref": "#/components/schemas/Roblox.Trades.Api.Models.V2.NewTradeResponse"
          }
        }
      }
    },
    "401": {
      "description": "0: Authorization has been denied for this request.\r\n4: You are not authorized to modify this trade."
    },
    "403": {
      "description": "0: Token Validation Failed"
    },
    "404": {
      "description": "0: An unknown error occured."
    }
  },
  "servers": [
    {
      "url": "https://trades.roblox.com"
    }
  ],
  "x-roblox-engine-usability": {
    "apiKeyWithHttpService": false
  },
  "security": [
    {
      "roblox-legacy-cookie": []
    }
  ],
  "externalDocs": {
    "url": "https://create.roblox.com/docs/cloud/reference/features/trades#trades_post_v2_trades__tradeId__counter"
  }
}