Zero infrastructure cost
No nodes to run, no mempool to watch, no liquidity to hold. EIDEX handles execution, custody, and settlement. You are in the market on day one.
Crypto Merchant API
Your exchange in a single day
Plug into our API and launch your own crypto service — no infrastructure, no liquidity, no blockchain nodes. All it takes is one HTTP request.
65+ pairs · HMAC-signed webhooks · IP whitelist · up to 10 keys
What you get
A ready-made backend for your crypto product
65+ trading pairs
BTC, ETH, USDT, SOL, XRP and dozens of other assets. Market and limit orders, instant execution. One API — the entire crypto market.
Full cycle: from deposit to withdrawal
Funds land on a dedicated address → order executes → payout to your client. Every step is programmable, every status streams in real time over webhook.
Exchange-grade security
IP whitelist, granular permissions (read-only / trading / withdrawals), HMAC-SHA256 signature on every callback. Your funds are guarded the same way as funds of direct platform users.
How it works
Five steps from key to first trade
Each step is one HTTP request. No waiting, no manual operations.
- 1Step 1
Create an API key in your account
ResultYou get an API Key + Secret Key — ready to integrate
- 2Step 2
Request a deposit address
ResultA dedicated address for each of your client's transactions
- 3Step 3
Client sends crypto
ResultAutomatic credit + webhook notification
- 4Step 4
Place an order via the API
ResultInstant fill at the best market price
- 5Step 5
Trigger a withdrawal
ResultFunds go to your client's address, status arrives via webhook
Who it's for
If you are building a crypto product — we cover the backend
Exchangers and P2P services
Automate crypto↔fiat exchange. Pull quotes, execute trades, and pay out clients — with no manual intervention.
Payment services
Accept crypto payments and auto-convert to stablecoins. A webhook fires the moment each deposit confirms.
Trading bots and aggregators
Programmatic access to the order book, instant order placement, analytics over API. Everything you need for algo trading.
Fintech products
Embed crypto features into your product in days, not months. Wallets, swaps, withdrawals — through a single REST API.
What's inside
Technical capabilities out of the box
Simple authentication
API Key + Secret in the headers. No OAuth flows or RSA certificates
Instant execution
Orders fill at market depth with no slippage
Transparent fees
Flat per-trade rate, no hidden markups
Address reservation
A unique deposit address for each client transaction (nonce-based)
Real-time webhooks
HMAC-signed notifications on every event with automatic retry
Granular permissions
READONLY / TRADING / WITHDRAW — grant the minimum access required
IP restriction
Whitelist of allowed addresses (CIDR) per key
Up to 10 keys
Separate access across services, bots, and environments
Analytics
Request, order, and volume counts — in your account and over the API
Start integrating in 5 minutes
Create an API key in your account settings, copy the Secret Key, and send your first request. Docs, Python and cURL examples — in the developer section.
FAQ
The short version
What if I lose my Secret Key?
The Secret is shown only once at creation. If lost — revoke the key and create a new one.
Are there request limits?
The rate limit is tied to your plan. Standard: 300 req/min.
Which networks are supported for withdrawals?
Depends on the asset. BTC (Bitcoin), ETH/USDT (ERC-20), TRX/USDT (TRC-20), SOL and others — see the docs for the full list.
What's the minimum order size?
Depends on the pair. Returned in /rates for each instrument.