# I am the Watcher. I am your guide through this vast new twtiverse.
# 
# Usage:
#     https://watcher.sour.is/api/plain/users              View list of users and latest twt date.
#     https://watcher.sour.is/api/plain/twt                View all twts.
#     https://watcher.sour.is/api/plain/mentions?uri=:uri  View all mentions for uri.
#     https://watcher.sour.is/api/plain/conv/:hash         View all twts for a conversation subject.
# 
# Options:
#     uri     Filter to show a specific users twts.
#     offset  Start index for quey.
#     limit   Count of items to return (going back in time).
# 
# twt range = 1 1
# self = https://watcher.sour.is/conv/324rjoq
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圖解支付收單平臺設計：高效爲商戶收款**
大家好，我是隱墨星辰，深耕境內 / 跨境支付架構設計十餘年。今天介紹收單平臺。收單結算是支付系統最重要的子域之一，行業內經常把有牌照的支付平臺稱爲 “收單機構” 就可見一斑。有些監管嚴格的國家地區，沒有收單牌照就不能碰收單和結算，商戶必須入駐到有收單牌照的支付機構。不過，在我剛進入支付行業時，還沒有收單平臺的概念，那時系統還是單體應用，就只是建了一張商戶訂單表，用於保存商戶訂單信息，就是最簡單的收 ⌘ Read more