---
title: "POST /competition/{id}/open-chest"
method: POST
path: "/competition/{id}/open-chest"
tags: ["competition"]
---

# POST /competition/{id}/open-chest

`POST /competition/{id}/open-chest`

## Request

- Base URL: `https://swap-backend.stage.defi.ovh.gala.com`
- URL: `https://swap-backend.stage.defi.ovh.gala.com/competition/{id}/open-chest`
- Auth: none declared
- TypeScript: <https://skmtc.dev/gala/apis/gala-defi-backend-api/docs/competition/:id/open-chest/post.ts> (a function with typed inputs; its response is checked against the schema)

POST /competition/{id}/open-chest

## Path parameters

- `id` number, required

## Request body

- OpenChestDto
  - `walletAddress` string, required
  - `tierNumber` number, required

## Response `200`

- OpenChestResponse
  - `success` boolean, required
  - `chestOpenId` number, required
  - `tierNumber` number, required
  - `tierName` string, required
  - `keysUsed` number, required
  - `rewardPacks` CompetitionRewardPackResponseDto[], required
    - `id` number, required
    - `claimedBy` string
    - `claimedTransactionHash` string
    - `items` CompetitionRewardItemResponseDto[], required
      - `id` number, required
      - `fulfillmentType` 'galachain_mint' | 'galachain_transfer' | 'object_api_item', required
      - `fulfillmentSubType` string, required
      - `collection` string, required
      - `category` string, required
      - `type` string, required
      - `additionalKey` string, required
      - `quantity` number, required
      - `dynamicMetadataId` string
  - `message` string, required

## Other responses

- `400`
- `404`
- `default`: An error response using the shared backend error envelope.

---

[API](https://skmtc.dev/gala/apis/gala-defi-backend-api.md) - [All operations](https://skmtc.dev/gala/apis/gala-defi-backend-api/llms.txt) - [OpenAPI document](https://skmtc.dev/gala/apis/gala-defi-backend-api/revisions/84f8184e2828?raw)