# 后端接口 ## API Docs - dotswap > v2 [构建注入流动性psbt (无需先请求pre_add_liquid)](https://apifox.com/apidoc/shared/8c789897-11b4-4549-b095-390d851b3e56/api-135679809.md): - dotswap > swap_liquid [获取流动池信息](https://apifox.com/apidoc/shared/8c789897-11b4-4549-b095-390d851b3e56/api-99963569.md): - dotswap > swap_liquid [搜索所有币种](https://apifox.com/apidoc/shared/8c789897-11b4-4549-b095-390d851b3e56/api-105734389.md): - dotswap > swap_liquid [管理流动池](https://apifox.com/apidoc/shared/8c789897-11b4-4549-b095-390d851b3e56/api-104960213.md): - dotswap > swap_liquid [注入流动性](https://apifox.com/apidoc/shared/8c789897-11b4-4549-b095-390d851b3e56/api-126193956.md): - dotswap > swap_liquid [预注入流动性](https://apifox.com/apidoc/shared/8c789897-11b4-4549-b095-390d851b3e56/api-126188494.md): - dotswap > swap_liquid [预移除流动性](https://apifox.com/apidoc/shared/8c789897-11b4-4549-b095-390d851b3e56/api-126677064.md): - dotswap > swap_liquid [流动性操作记录](https://apifox.com/apidoc/shared/8c789897-11b4-4549-b095-390d851b3e56/api-104024053.md): - dotswap > swap_liquid [统计交易信息列表](https://apifox.com/apidoc/shared/8c789897-11b4-4549-b095-390d851b3e56/api-120699264.md): - dotswap > swap_liquid [根据币对获取流动池地址](https://apifox.com/apidoc/shared/8c789897-11b4-4549-b095-390d851b3e56/api-161524954.md): - dotswap > swap_liquid [获取池子apr](https://apifox.com/apidoc/shared/8c789897-11b4-4549-b095-390d851b3e56/api-169509623.md): - dotswap > swap_liquid [查询某时刻流动池持有数量](https://apifox.com/apidoc/shared/8c789897-11b4-4549-b095-390d851b3e56/api-195795696.md): - dotswap > swap_liquid [移除流动性](https://apifox.com/apidoc/shared/8c789897-11b4-4549-b095-390d851b3e56/api-126202757.md): - dotswap > swap_liquid [根据移除比例获取流动性信息](https://apifox.com/apidoc/shared/8c789897-11b4-4549-b095-390d851b3e56/api-106159836.md): - dotswap > swap_liquid [构建移除流动性psbt](https://apifox.com/apidoc/shared/8c789897-11b4-4549-b095-390d851b3e56/api-126200319.md): - dotswap > swap_liquid [Brc20构建注入流动性psbt](https://apifox.com/apidoc/shared/8c789897-11b4-4549-b095-390d851b3e56/api-126191472.md):