1 · Environment
Moving to production? Contact [email protected] or the live chat and we’ll send you the prod base URL plus your x-api-key token.
2 · Lifecycle at a glance
0. GET /asset → fetch asset list (prettyTicker, protocol, etc.)
1. GET /estimateSwap → get quote & estimationId
2. POST /swap → obtain payToAddress
3. Send coins → on-chain transfer
4. GET /swap → poll until status is 'completed'
3 · Endpoints you’ll call
| Purpose |
Method & Path |
Notes |
| Asset picker |
GET /asset |
Build UI dropdowns; response gives prettyTicker and protocol. (Want a ready to use React JS swap form? contact us at [email protected]) |
| Quote |
GET /estimateSwap |
Ticker rule: use prettyTicker+protocol if protocol differs (e.g. USDTERC20, USDCSOL), otherwise just prettyTicker (e.g. BTC, ETH TRX). |
| Create swap |
POST /swap |
Same ticker rule, plus the estimationId from quoting step. |
| Track swap |
GET /swap?swapIds= |
Accepts one or many swapIds. |
All parameters/fields: see api docs.
4 · Swap status values
| Code |
Meaning |
waiting_for_payment |
Swap created; coins not detected yet. |
confirming |
Payment tx seen; awaiting confirmations. |
payment_received |
Confirmations reached. |
verifying |
Compliance/risk review — contact support in chat (< 0.3 % of swaps). |
exchanging |
Our side is converting assets. |
completed |
Exchange done; payout tx sent. |
refunded |
Funds returned. |
expired |
Payment never arrived before expiresAt. |
failed |
Terminal error - contact the support. |
5 · Minimal examples
bash
# 0. Fetch assets
curl "$BASE/asset?count=100" | jq .
# 1. Quote 0.5 BTC → ETH
curl "$BASE/estimateSwap?tickerFrom=BTC&tickerTo=ETH&amountCoins=0.5&ipAddress=1.1.1.1"
# 2. Create swap (estimationId=EST123)
curl -X POST "$BASE/swap" -H 'Content-Type: application/json' -d '{
"estimationId":"EST123",
"tickerFrom":"BTC",
"tickerTo":"ETH",
"amountCoins":"0.5",
"ipAddress":"203.0.113.5",
"recipientAddress":"0x92C…"
}'
# 3. Poll status
curl "$BASE/swap?swapIds=SWAP456"
6 · Going live
| Step |
Detail |
| Get credentials |
Email [email protected] or use live chat. |
| Base URL |
Replace with the production URL we provide. |
| Auth header |
x-api-key: <YOUR_TOKEN> |
| Everything else |
Same endpoints & payloads. |