White-label · Full source code · 9 languages

Crypto Payment Gateway Development Company

Crypto Payment Gateway Development

Your own crypto payment gateway, with your brand and your keys. A complete, self-hosted platform to accept Bitcoin, Ethereum and USDT for your merchants - checkout, merchant panel, admin console, API and webhooks. Funds settle to wallets you control, not to a third party.

  • BTC
  • ETH
  • USDT TRC20 · BEP20 · ERC20
  • BNB
  • TRX
  • LTC
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  • 1500+Clients
  • 3500+Projects
  • 4.8/5Client rating
  • 2011Building since

What is a crypto payment gateway?

A crypto payment gateway is software that lets a business accept cryptocurrency such as Bitcoin, Ethereum or USDT. It shows the buyer a unique wallet address and exact amount, watches the blockchain until the payment is confirmed, credits the merchant and notifies the merchant's website by webhook. Crypto payment gateway development means building or setting up that platform under your own brand, on your own server, with your own wallet keys.

MLMYug is a crypto payment gateway development company in Jaipur, India. Instead of renting a hosted processor, you get the complete software - the same checkout, merchant panel and admin console you see below - installed on your server, in your name. It reads real blockchain data, signs real transactions locally and keeps every rupee and satoshi accounted for.

It suits payment businesses that want to onboard many merchants, and companies such as MLM and e-commerce platforms that want crypto checkout inside their own product.

Key facts

Model
Self-hosted, white-label, full source code
Coins
BTC, ETH, USDT (TRC20 · BEP20 · ERC20), BNB, TRX, LTC; SOL on request
Panels
Hosted checkout, merchant panel, admin console
Developers
REST API, OpenAPI 3.0, SDKs (C#, PHP, Node.js, Python), signed webhooks
Custody
Non-custodial for MLMYug: keys stay on your server
Languages
9 - EN, HI, AR, ES, FR, DE, PT, RU, ZH
Stack
ASP.NET (C#), SQL Server, Windows Server / IIS
Testing
Simulation mode + testnet payment on every network

How our crypto payment gateway works

Every payment is tracked on chain - from the moment the address is shown to the moment it is credited.

  1. Buyer chooses crypto

    Your merchant's website calls the API, a payment link or a pay button; the buyer picks a coin and network.

  2. Unique address & locked rate

    The gateway shows a unique deposit address, the exact amount and a countdown. The fiat price is converted at a live rate and locked.

  3. Detected on chain

    Your node or RPC sees the transaction within seconds and the payment page shows "Seen on network".

  4. Confirmations counted

    The gateway counts confirmations live (for example 7 of 12) and handles underpaid, overpaid and late payments.

  5. Credited & webhook

    The merchant balance is credited exactly once and a signed webhook tells the merchant's system the order is paid.

One system, three sides

Merchants accept payments, your team runs the platform, and buyers pay in a couple of taps. Everything shares one database and one set of rules.

  • Checkout & pay buttons for buyers

    A hosted payment page with QR code, exact amount and countdown, plus pay buttons and a checkout pop-up that any website can embed with two lines of code.

  • Merchant panel for merchants

    Live orders, payments, balances, withdrawals, analytics, projects and API keys, webhooks, pay buttons, support tickets and two-step sign-in.

  • Admin console for you, the gateway owner

    Approve withdrawals, manage hot and cold wallets, watch nodes and jobs, handle support and sales leads, and see platform revenue and fee income.

Take a look inside

The merchant panel, admin console and customer checkout of the MLMYug crypto payment gateway software.

Merchant panel screens

Merchant dashboard with live orders, today's volume and balances per coin
Merchant dashboard with live orders, today's volume and balances per coin
Payments list with status, coin, network and confirmations
Payments list with status, coin, network and confirmations
Payment detail with transaction hash, confirmations and webhook log
Payment detail with transaction hash, confirmations and webhook log
Merchant balances and withdrawal to a whitelisted address
Merchant balances and withdrawal to a whitelisted address
Merchant analytics: revenue, conversion and weekday x hour heatmap
Merchant analytics: revenue, conversion and weekday x hour heatmap

Admin console screens

Gateway admin overview with platform revenue, fee income and system health
Gateway admin overview with platform revenue, fee income and system health
Withdrawal approval queue for the gateway owner
Withdrawal approval queue for the gateway owner
Hot and cold wallets, limits and encrypted key vault
Hot and cold wallets, limits and encrypted key vault
Built-in support desk with tickets and internal notes
Built-in support desk with tickets and internal notes

Customer checkout screens

Hosted crypto payment page with QR code, exact amount and countdown
Hosted crypto payment page with QR code, exact amount and countdown
Pay button and checkout pop-up embedded on a merchant website
Pay button and checkout pop-up embedded on a merchant website

Screens show demo data. Names, amounts and addresses are examples. Swipe or scroll sideways to see more.

Everything a payment business needs

Not a demo script with fake confirmations - a working gateway with real blockchain data, real signing and complete accounting.

  • Accepting payments

    • Unique deposit address for every payment
    • Price in USD, INR, AED or other fiat - crypto amount locked at a live rate
    • Rates from CoinGecko, Binance and CoinMarketCap with automatic fallback
    • Underpaid, overpaid, late and top-up payments handled automatically
    • Hosted payment page with QR code, countdown and live status
    • Payment links you can e-mail or share

  • Balances & payouts

    • Merchant balance per coin, credited exactly once per payment
    • Withdrawals only to saved, whitelisted addresses
    • New addresses held for 24 hours, with an e-mail cancel link
    • Admin approval or auto-approve per merchant
    • Live network fees and "you receive" amount before sending
    • Unclear broadcasts go to review instead of being paid twice

  • Wallets & treasury

    • Hot wallet per network with minimum and maximum limits
    • Excess moved to your cold address automatically or by hand
    • Sweeper collects deposits into the hot wallet, with gas top-ups for tokens
    • Hot wallet balance compared with what merchants can withdraw
    • Every key use and every transfer logged

  • For developers

    • REST API with signed requests and an OpenAPI file
    • Ready SDKs: C#, PHP, Node.js and Python, plus a Postman collection
    • Signed webhooks with automatic retries for up to 24 hours
    • Pay buttons and checkout pop-up: two lines of HTML
    • Public developer documentation site in 9 languages

  • Analytics & reports

    • Live "orders right now" view and money in vs money out
    • Revenue, conversion, customers and time to confirm
    • When customers pay: weekday x hour heatmap
    • Settlement report: received, fees, credited, withdrawn
    • CSV export up to 50,000 rows and print layout

  • Running the business

    • Admin roles: superadmin, operator and viewer
    • Built-in support desk with attachments and internal notes
    • Public website with "talk to sales" call booking and a leads inbox
    • System health: nodes, rates, background jobs, errors
    • Full audit log of every admin action
    • English, Hindi, Arabic, Spanish, French, German, Portuguese, Russian, Chinese
Want to see your own crypto payment gateway running?

Tell us your coins, merchants and fee plan. We will show you every screen on a live demo and how it fits your business.

Get Free Demo & Quote

Why own the gateway instead of renting one

Hosted crypto processors take a cut of every payment and can freeze accounts. With your own gateway, the platform and its revenue are yours.

Own gateway vs hosted crypto processor
 Your own gatewayHosted processor
FeesKeep the margin - set your own service and withdrawal fees; fee income is reported in the admin console.A cut of every payment goes to the processor.
Keys & fundsKeys are generated on your server or by your own nodes and stored encrypted. No third party holds funds.The processor holds or routes the funds and can freeze accounts.
BrandYour name, logo, colours and domain on checkout, panels, e-mails and documentation.The processor's brand is shown to your buyers.
CodeFull source code included - host it where you like, audit it and extend it.Closed platform; features depend on the vendor.
Support loadLive payment status, clear underpaid handling, webhook logs and a support desk built in.Merchants raise tickets with an outside vendor.
GrowthProjects, API keys and settings per merchant, analytics across the whole platform.Limits and pricing set by the vendor.

Who it is for

  • MLM & direct selling

    Collect joining fees, package purchases and repurchases in USDT or BTC and credit wallets inside your MLM software automatically by webhook.

  • Payment service providers

    Launch your own crypto processing brand and onboard many merchants, each with projects, API keys and fees.

  • E-commerce & SaaS

    Add crypto checkout to a store, app or subscription with pay buttons, payment links or the REST API.

  • Exchanges & wallets

    Use the deposit, sweeping and withdrawal engine alongside a crypto exchange or wallet.

  • Gaming & digital goods

    Accept stablecoins for top-ups and digital products, with instant status on the payment page.

  • Freelance & B2B invoicing

    Send crypto invoices as payment links priced in USD, INR or AED.

Supported coins and networks

Connect your own nodes or a hosted RPC provider. Every network can be tested in simulation mode before going live.

Supported coins and networks
NetworkCoins and tokensReceivePayoutsConnects to
TronTRX, USDT TRC20, other TRC20YesYesTronGrid or your own FullNode
BNB Smart ChainBNB, USDT BEP20, other BEP20YesYesAny BSC RPC
EthereumETH, USDT ERC20, other ERC20YesYesGeth, Erigon, Nethermind or hosted RPC
BitcoinBTCYesYesBitcoin Core
LitecoinLTCYesYesLitecoin Core
SolanaSOLOn requestOn requestSolana RPC

Security built in, not bolted on

Money software has to be careful by default. These protections are switched on from day one.

  • Encrypted key vaultAES-256 with a tamper check on every key, random IV per secret, master-key rotation and an access log.
  • Credited exactly onceCompletion and credit happen in one database transaction, so a payment can never be counted twice.
  • No double payoutsBalances are reserved atomically and each withdrawal is claimed once before it is sent.
  • Two-step sign-inAuthenticator codes (TOTP) and recovery codes for merchants and admins; lockout after repeated failures.
  • Strong passwordsPBKDF2-SHA256 with 120,000 iterations; old hashes upgraded on next sign-in.
  • Address whitelistWithdrawals only to saved addresses, with a 24-hour hold and e-mail alerts.
  • Web protectionSession binding, CSRF and clickjacking protection, encoded output, SSRF checks on webhook URLs.
  • Audit trailEvery admin and merchant security action is recorded with who, what and when.

From demo to live payments

  1. Live demo – We walk you through the merchant panel, admin console and checkout on a call.
  2. Your brand – Name, logo, colours, domain, coins, fees and limits set to your plan.
  3. Install – Set up on your server with SQL Server, nodes or RPC, and your wallet master key.
  4. Test run – Full flow in simulation mode, then a small testnet payment on every network.
  5. Go live – Hot wallets funded, your team trained, and support after launch.

Technology

Application
ASP.NET (C#, .NET Framework 4.5), runs on Windows Server with IIS
Database
Microsoft SQL Server, with versioned migration scripts
Blockchain
Your own nodes or hosted RPC; transactions signed locally on your server
Integrations
REST API, OpenAPI 3.0, SDKs for C#, PHP, Node.js and Python, signed webhooks
Tested
Automated tests for cryptography, signatures, payment rules and every SDK

Crypto Payment Gateway Development FAQs

What is crypto payment gateway development?

Crypto payment gateway development is building or setting up a platform that lets businesses accept cryptocurrency payments. MLMYug delivers a ready, white-label gateway with hosted checkout, merchant panel, admin console, REST API and webhooks, installed on your own server under your own brand.

How does a crypto payment gateway work?

The gateway shows the buyer a unique address and an exact amount at a locked rate, detects the transaction on the blockchain, counts confirmations, credits the merchant balance exactly once and sends a signed webhook so the merchant's system marks the order as paid.

Do you hold our customers' funds?

No. The gateway runs on your server and the keys are generated on your server or by your own nodes. Neither MLMYug nor any third-party API holds them.

Can we put our own brand on it?

Yes. Name, logo, colours, domain, fees and e-mail texts are yours. Buyers and merchants see only your brand.

Do we get the source code?

Yes. With the licence you get the full source code, database scripts and documentation, so your team can host, audit and extend it.

Which cryptocurrencies and networks are supported?

Bitcoin (BTC), Ethereum (ETH and ERC20 tokens), BNB Smart Chain (BNB and BEP20), Tron (TRX and TRC20), Litecoin (LTC) and USDT on TRC20, BEP20 and ERC20. Solana (SOL) is available on request.

Can it connect to our MLM or e-commerce software?

Yes. Any system can create payments through the API and receive signed webhooks when they complete. We can also do the integration for you.

Can we try it before going live?

Yes. Simulation mode runs the whole flow, from payment to credit to webhook, without real coins. Then we run a small testnet payment on each network.

What do merchants need to start accepting crypto?

An account on your gateway, a project with API keys, and either a payment link, a pay button or an API call. The developer documentation walks them through it.

Why build your own crypto payment gateway instead of using a hosted processor?

Hosted processors take a cut of every payment and can freeze accounts. With your own gateway you set the fees, control the keys, show only your brand and own the code.

Integrating a gateway into an MLM plan? Read our crypto payment gateway integration guide for MLM business.

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