> For the complete documentation index, see [llms.txt](https://docs.blockchainsecurity.asia/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.blockchainsecurity.asia/api-reference/readme/on-chain-data/kuai-su-jiao-yi-dui-shou-qing-dan.md).

# 快速交易對手清單

快速取得指定地址的交易對手清單，並針對 Bitcoin 查詢提供最佳化處理。適合需要整理大量往來對象的場景。

## GET /v2/counterparty/list

>

```json
{"openapi":"3.1.0","info":{"title":"Blockchain Atlantis API Gateway","version":"0.1.0"},"tags":[{"description":"快速取得指定地址的交易對手清單，並針對 Bitcoin 查詢提供最佳化處理。適合需要整理大量往來對象的場景。","name":"快速交易對手清單"}],"servers":[{"description":"Production","url":"https://api.blockchainsecurity.asia"}],"security":[{"api_key":[]}],"components":{"securitySchemes":{"api_key":{"in":"header","name":"X-API-Key","type":"apiKey"}}},"paths":{"/v2/counterparty/list":{"get":{"operationId":"counterparty_list_v2","parameters":[{"description":"ethereum / tron / bitcoin","in":"query","name":"blockchain","required":true,"schema":{"type":"string"}},{"description":"主地址","in":"query","name":"address","required":true,"schema":{"type":"string"}},{"description":"(optional) 預設 50","in":"query","name":"limit","required":false,"schema":{"format":"int32","minimum":0,"type":"integer"}},{"description":"(optional) 預設 0","in":"query","name":"offset","required":false,"schema":{"format":"int32","minimum":0,"type":"integer"}}],"responses":{"200":{"content":{"application/json":{}},"description":"查詢成功，回傳交易對手清單"},"400":{"description":"請求參數有誤，請檢查輸入內容"},"401":{"description":"缺少或無效的 API key"},"502":{"description":"後端服務暫時無法回應，請稍後重試"}},"summary":"","tags":["快速交易對手清單"]}}}}
```