Custodial wallets · Exchange · P2P · Staking

Enterprise Crypto
Infrastructure

Build powerful crypto applications with our enterprise-grade APIs. Wallets, Exchange, and P2P — all in one platform. Secure, scalable, and developer-friendly.

KMS-wrapped key custody
Tenant-isolated by default
16 chains supported
create-wallet.js
// Create a wallet in seconds
const response = await fetch('https://api.swydex.com/api/v1/wallets', {
  method: 'POST',
  headers: {
    'X-API-Key': 'your_api_key',
    'X-API-Secret': 'your_api_secret',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    externalId: 'user_123',
    network: 'ethereum'
  })
});

const wallet = await response.json();
// { id: 'wal_...', address: '0x...', network: 'ethereum' }

Everything you need to build crypto products

A complete suite of APIs and tools to integrate cryptocurrency functionality into your applications

Wallet API

Generate and manage wallets across 16 chains. HD wallets, KMS-wrapped key storage, HOT & COLD custody modes.

  • 16-chain support
  • KMS-wrapped key custody
  • Balance tracking
  • Transaction history

Exchange API

Full-featured trading engine with order matching, market data, and real-time WebSocket updates.

  • Order matching engine
  • Market/Limit orders
  • Real-time orderbook
  • Trade settlement

P2P Trading API

Peer-to-peer marketplace with escrow, dispute resolution, and reputation system built-in.

  • Escrow system
  • Dispute resolution
  • User ratings
  • Multi-payment methods

Gasless Transactions

Let users transact without holding native tokens. We handle gas fees so your users don't have to.

  • No native tokens needed
  • Fee abstraction
  • Gas vault management
  • Token-based fees

Webhooks & Events

Real-time notifications for all blockchain events. Never miss a transaction or status update.

  • Transaction alerts
  • Deposit notifications
  • Order updates
  • Retry mechanism

Enterprise Security

Bank-grade security with encrypted storage, 2FA, IP whitelisting, and comprehensive audit logs.

  • AES-256 encryption
  • 2FA authentication
  • IP whitelisting
  • Audit logging

16 Chains Supported

One API across the full EVM family, UTXO chains, Solana, Tron, and XRP

ETH
Ethereum
MATIC
Polygon
BNB
BNB Chain
ARB
Arbitrum
OP
Optimism
BASE
Base
AVAX
Avalanche
FTM
Fantom
CRO
Cronos
BTC
Bitcoin
LTC
Litecoin
DOGE
Dogecoin
BCH
Bitcoin Cash
SOL
Solana
TRX
Tron
XRP
XRP

Simple, transparent pricing

Start free. Pay only when your platform grows.

Payments via Stripe. Cancel anytime — no setup fees, no contracts (except Enterprise).

Free

Try the platform.

$0/mo
  • 10 end-user wallets
  • 100 API calls / day
  • $1k volume / mo
  • All 16 chains
  • Branded with SwyDex
Start free

Starter

First real customers.

$19/mo
  • 100 end-user wallets
  • 1K API calls / day
  • $50k volume / mo
  • All 16 chains
  • Webhooks + Custom domain
  • Email support
14-day trial
Most popular

Growth

Scaling your platform.

$49/mo
  • 1,000 end-user wallets
  • 10K API calls / day
  • $500k volume / mo
  • P2P + Swap engine
  • White-label
  • Priority email
14-day trial

Scale

Real volume.

$149/mo
  • 10,000 end-user wallets
  • 100K API calls / day
  • $5M volume / mo
  • Staking (Lido + SOL)
  • Multi-user RBAC
  • Audit log export
14-day trial

Enterprise

Custom contract.

From $499/mo
  • Unlimited wallets & volume
  • All features included
  • Custom SLA
  • Dedicated success manager
  • On-prem option
  • Custom integrations
Contact Sales

Ready to build the future of finance?

Custodial wallets, exchange, and P2P — wired into your stack via clean APIs. Start free, no card required.