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Rates and settlement, over HTTP.

A small REST surface plus a WebSocket stream. Keys are issued instantly and sandbox is free forever.

GET/v1/ratesLive USDT rates for all supported currencies.
POST/v1/quotesLock a rate for 30 seconds before execution.
POST/v1/swapsExecute a quoted swap and trigger payout.
GET/v1/swaps/{id}Retrieve settlement status for a swap.
WS/v1/streamSubscribe to tick-level rate updates.

Quick start

curl https://api.coinswap.example/v1/rates \
  -H "Authorization: Bearer $COINSWAP_KEY"

Limits

600 requests/minute on REST, 20 concurrent WebSocket subscriptions. Higher limits available on Desk and Institutional tiers.