This collection covers the live production endpoints for the Chainswap cryptocurrency exchange platform. It provides everything needed to discover supported assets, validate exchange parameters, estimate swap outputs, initiate exchanges, and track order status — all via a simple REST interface.
\nAll requests require an x-api-key header containing your Chainswap API key.
Call Get Coins to discover valid coin and network identifiers.
\nCall Get Range to confirm the intended swap amount is within accepted limits.
\nCall Get Estimate to preview the expected output.
\nCall Create Exchange to initiate the swap.
\nPoll Get Exchange/Order to monitor the order status until completion.
\n\n\n","schema":"https://schema.getpostman.com/json/collection/v2.0.0/collection.json","toc":[],"owner":"3860691","collectionId":"2fa9b82f-3e01-4c63-adaa-25de0d15396d","publishedId":"2sBXcEif2G","public":true,"customColor":{"top-bar":"FFFFFF","right-sidebar":"303030","highlight":"FF6C37"},"publishDate":"2026-02-19T09:09:09.000Z"},"item":[{"name":"Get Coins","id":"64157009-7105-4ad5-b4f8-c9b1f333239b","protocolProfileBehavior":{"disableBodyPruning":true},"request":{"auth":{"type":"noauth","isInherited":false},"method":"GET","header":[{"key":"x-api-key","value":"Base URL:
\nhttps://chainswap.io/api/v1
Retrieve the full list of cryptocurrencies supported for exchange on the Chainswap platform.
\nMethod: GET URL: https://chainswap.io/api/v1/get-coins
Headers:
\nx-api-key — Your API key for authenticationQuery Parameters: None
\nRequest Body: None
\nResponse: Returns an array of supported coins, each including its symbol, name, network information, and availability status. Use this endpoint to discover valid values for from_coin, to_coin, from_network, and to_network parameters in other endpoints.
Retrieve the minimum and maximum exchangeable amounts for a given cryptocurrency pair. Call this endpoint before creating an exchange to ensure the intended amount falls within the accepted range.
\nMethod: GET URL: https://chainswap.io/api/v1/get-range
Headers:
\nx-api-key — Your API key for authenticationQuery Parameters:
\nfrom_coin (string) — Source cryptocurrency symbol (e.g., xmr)to_coin (string) — Destination cryptocurrency symbol (e.g., btc)from_network (string) — Network of the source coin (e.g., xmr)to_network (string) — Network of the destination coin (e.g., btc)fixed (boolean) — Whether to use a fixed exchange rate (e.g., false)Request Body: None
\nResponse: Returns the minimum and maximum allowed exchange amounts for the specified pair. The max value may be null if there is no upper limit.
Create a new cryptocurrency exchange order. Call this endpoint to initiate a swap between two coins — the response will include a deposit address, order ID, and exchange details needed to complete the transaction.
\nMethod: POST URL: https://chainswap.io/api/v1/create-exchange
Headers:
\nx-api-key — Your API key for authenticationQuery Parameters: None
\nRequest Body (form-data):
\nRequired:
\nfrom_coin (string) — Source cryptocurrency symbol (e.g., xmr)
to_coin (string) — Destination cryptocurrency symbol (e.g., btc)
from_network (string) — Network of the source coin (e.g., xmr)
to_network (string) — Network of the destination coin (e.g., btc)
from_amount (number) — Amount of the source coin to exchange (e.g., 10)
to_address (string) — Destination wallet address to receive the exchanged funds (e.g., bc1qmcgjmgd7fj4kmcxd2cnnkdrccg0aepw3l9u02l)
fixed (boolean) — Whether to use a fixed exchange rate (e.g., false)
Optional:
\nrefund_address (string) — Wallet address to refund the source coin to if the exchange fails
to_address_extra_id (string) — Extra ID or memo for the destination address (required for some coins/networks)
refund_extra_id (string) — Extra ID or memo for the refund address
Response: Returns the created exchange order, including a unique order ID, deposit address and amount, expected destination amount, exchange rate, fixed/float status, and current order status.
\n","urlObject":{"protocol":"https","path":["api","v1","create-exchange"],"host":["chainswap","io"],"query":[],"variable":[]}},"response":[],"_postman_id":"c391eee2-6ece-4db0-94f7-91e25dc751a0"},{"name":"Get Exchange/Order","id":"06c4f1fb-e62c-4661-9bf6-008ca8b8c7d2","protocolProfileBehavior":{"disableBodyPruning":true},"request":{"auth":{"type":"noauth","isInherited":false},"method":"GET","header":[{"key":"x-api-key","value":"Retrieve the current status and full details of a previously created exchange order.
\nMethod: GET URL: https://chainswap.io/api/v1/get-exchange/{orderId}
Headers:
\nx-api-key — Your API key for authenticationPath Parameters:
\norderId (string) — Unique exchange order ID obtained from the Create Exchange response (e.g., 67f37969471de)Query Parameters: None
\nRequest Body: None
\nResponse: Returns complete order details including order ID, status, source/destination coin info, amounts, wallet addresses, transaction hashes, and timestamps. Status flow: waiting → confirming → exchanging → sending → finished.
Get an estimated output amount for a cryptocurrency exchange before committing to a swap. Use this endpoint to preview how much of the destination coin the user will receive for a given input amount.
\nMethod: GET URL: https://chainswap.io/api/v1/get-estimate
Headers:
\nx-api-key — Your API key for authenticationQuery Parameters:
\nfrom_coin (string) — Source cryptocurrency symbol (e.g., btc)
from_network (string) — Network of the source coin (e.g., btc)
to_coin (string) — Destination cryptocurrency symbol (e.g., eth)
to_network (string) — Network of the destination coin (e.g., eth)
amount (number) — Amount of the source coin to exchange (e.g., 1)
fixed (boolean) — Whether to use a fixed exchange rate (e.g., false)
Request Body: None
\nResponse: Returns the estimated amount of the destination coin the user would receive, along with the applicable exchange rate.
\n","urlObject":{"protocol":"https","path":["api","v1","get-estimate"],"host":["chainswap","io"],"query":[{"key":"from_coin","value":"btc"},{"key":"from_network","value":"btc"},{"key":"to_coin","value":"eth"},{"key":"to_network","value":"eth"},{"key":"amount","value":"1"},{"key":"fixed","value":"false"}],"variable":[]}},"response":[],"_postman_id":"a4be5ee4-3d92-48d5-9a33-41a459716df2"}],"event":[{"listen":"prerequest","script":{"id":"a48c6085-c112-401d-b8a0-1d41c9085b9d","type":"text/javascript","packages":{},"requests":{},"exec":[""]}},{"listen":"test","script":{"id":"86159c1a-77f3-4285-8b24-85b132d54655","type":"text/javascript","packages":{},"requests":{},"exec":[""]}}]}