What Is a CoinPayments Clone Script?
A CoinPayments clone script is ready-to-deploy software for a crypto payment processor: merchants integrate a hosted checkout or plugin, each payment is assigned a fresh deposit address, confirmations are tracked on-chain, and funds are settled to the merchant in their chosen asset, with mass payout tooling for outgoing volume.
The interesting engineering is not the checkout page. It is address management at scale, confirmation policy per chain, sweeping funds without losing them to fees, handling underpayments and overpayments, and never double-crediting a merchant when a chain reorganises. Payment processing is an accounting problem wearing a web interface. See also our crypto payment gateway development page.
What You Receive
| Component | What It Covers |
|---|---|
| Checkout layer | Hosted checkout, embedded widget and e-commerce plugins |
| Address system | HD wallet derivation with per-invoice addresses and sweeping |
| Confirmation engine | Per-chain confirmation policy with reorg-safe crediting |
| Conversion | Auto-conversion to stablecoins or fiat with rate locking |
| Payouts | Single and mass payouts with batching and fee optimisation |
| Merchant tools | Dashboard, invoices, reports, API keys and webhooks |
| Treasury controls | Hot and cold split, sweep automation, approval workflows |
| Source code | Gateway, dashboard, APIs and infrastructure transfer on delivery |
See a working gateway with your supported assets, your settlement flow and your fee structure.
Get a Free Live DemoUnderpayments, Reorgs and Dust: Where Gateways Actually Break
A crypto payment gateway looks simple until real traffic arrives. A customer sends 0.4% less than the invoice because their wallet deducted a fee. A chain reorganises and a payment you already credited disappears. A thousand tiny deposits cost more in gas to sweep than they are worth.
None of these are edge cases; all of them happen weekly at modest volume. A gateway that has not decided its policy for each one in advance ends up making decisions manually, under time pressure, with a merchant on the phone.
Tolerance policy configurable under and overpayment thresholds with defined partial-payment handling.
Reorg-safe crediting confirmation depth per chain, with credit held until finality rather than on first sight.
Fee-aware sweeping batching and thresholds so dust is consolidated economically, not swept at a loss.
Rate locking a defined quote window with explicit expiry, so volatility does not become a dispute.
Idempotent webhooks with retries and signature verification, so merchants never double-fulfil an order.
Reconciliation ledger double-entry accounting per merchant, so every balance can be traced to on-chain events.
We build these policies as explicit, configurable rules with a full reconciliation ledger behind them. A gateway whose ledger cannot be reconciled to the chain is not a payments product, it is an outage waiting for volume.
Surfaces This Scope Covers
Reference concepts for a payments build — checkout, settlement and merchant reporting surfaces. Not screenshots of a delivered client gateway.
Core Features
Checkout and Integration
- Hosted checkout pages with QR and wallet deep links
- Embeddable widget and buy buttons
- Plugins for major e-commerce platforms
- Invoice creation with expiry and rate lock
- Point-of-sale mode for in-person payments
- Recurring and subscription billing
- Multi-language and multi-currency display
Payments and Settlement
- Per-invoice HD deposit addresses across supported chains
- Configurable confirmation depth per asset
- Under and overpayment tolerance with partial handling
- Auto-conversion to stablecoins or fiat
- Settlement scheduling with configurable thresholds
- Refund handling with audit trail
- Fiat off-ramp through licensed partners
Payouts and Treasury
- Single and mass payouts with CSV and API submission
- Batched transactions for fee efficiency
- Approval workflows with role-based limits
- Hot and cold wallet split with automated sweeping
- Balance alerts and treasury reporting
- Address whitelisting with cooling periods
Merchant and Platform Tools
- Merchant dashboard with balances, invoices and reports
- REST API, webhooks with signature verification and idempotency
- Sandbox environment with testnet assets
- Sub-accounts and team permissions
- Fee configuration per merchant and per asset
- Merchant onboarding with KYB verification
- AML screening on incoming funds and reporting exports
Mapped to a release plan
We will send a prioritized build plan covering supported assets, settlement flow and merchant API surface.
Request a Feature PlanHow CoinPayments Clone Script Is Put Together
The modules above map onto these layers. Each one ships with its own tests, documentation and runbook, so nothing arrives as a black box you inherit without an explanation.
Requests flow down, settlement and events flow back up. Every boundary carries logging, so a failure is traceable to a layer instead of guessed at.
Chains and Assets We Work With
Asset support here is a settlement decision. Confirmation policy, reorg handling and fee volatility determine whether a payment is safe to mark as received, and each chain answers those differently.
How We Build Your Gateway
Ledger design and confirmation policy come before the interface, because they are what make the product trustworthy.
Payment policy design
Supported assets, confirmation depths, tolerance rules, settlement and payout flows.
Output → payment policy and ledger specification
Compliance scoping with your counsel
Money transmission exposure, KYB requirements, AML screening and reporting duties.
Output → compliance requirement matrix
Core engine build
HD address management, confirmation engine, double-entry ledger and sweeping.
Output → engine with reconciliation and reorg test suites
Merchant surface build
Checkout, plugins, dashboard, API, webhooks and sandbox.
Output → staging gateway with sandbox for integration testing
Security review and launch
Penetration testing, treasury procedures, monitoring and merchant onboarding.
Output → live gateway with treasury and incident runbooks
Assets and chains supported
Development Timeline
| Scope | Timeline | Includes |
|---|---|---|
| White label gateway | 4 to 6 weeks | Rebranded checkout, standard assets, merchant dashboard |
| Standard custom gateway | 8 to 12 weeks | Custom ledger, confirmation engine, API, plugins |
| Gateway with payouts and conversion | 3 to 5 months | Mass payouts, auto-conversion, treasury automation |
| Platform with fiat settlement | 5 to 9 months | Banking partners, KYB, AML stack, compliance reporting |
What extends the timeline: fiat settlement and banking partner onboarding, which runs on their timetable; each additional non-EVM chain, since address derivation and fee logic differ; AML and KYB provider integration; and reconciliation testing, which needs adversarial reorg and dust scenarios.
Revenue Models
| Model | How It Works |
|---|---|
| Transaction fees | A percentage or flat fee per processed payment |
| Conversion spread | Margin on auto-conversion to stablecoins or fiat |
| Payout fees | Fees on outgoing and mass payout volume |
| Settlement and withdrawal fees | Charges on fiat or crypto settlement |
| Subscription tiers | Monthly plans with lower rates and higher limits |
| Premium features | Advanced reporting, sub-accounts, dedicated infrastructure |
| White label licensing | Licensing the gateway to other operators |
Merchants compare gateway rates directly, so competition is on fee level and reliability. Conversion spread is usually the more defensible line, and it has to be disclosed clearly to keep merchant trust.
Related services
Who This Is For
Launching a crypto processor as a core product.
Adding crypto rails to an existing payment business.
Monetising infrastructure with a merchant-facing product.
Processing payments and paying out to sellers at scale.
Handling high-volume deposits and withdrawals.
Serving local merchants with local settlement rails.
Why Choose Coinsclone
Ledger-first architecture
Double-entry accounting per merchant that reconciles to on-chain events, because a gateway that cannot reconcile is an outage in waiting.
Reorg-safe crediting
Confirmation depth per chain with credit held until finality, so a reorganisation never becomes a merchant dispute.
Underpayment and dust policy
Explicit configurable rules rather than manual decisions made under pressure with a merchant waiting.
Idempotent webhooks
Signed, retried and deduplicated delivery so merchants never double-fulfil an order.
Treasury controls built in
Hot and cold split, fee-aware sweeping and approval workflows on every outgoing movement.
Full source code ownership
Gateway, dashboard, APIs and infrastructure transfer to you on delivery.
What Our Clients Say
Operators who launched with us, in their own words. Hover to pause.
A members-only NFT marketplace for Digital Freemasonry
Digital Free MasonryNFT marketplace · delivered and liveNext phase in progress: the ODFT Token and the MasonicVerse platform.
Working with Coinsclone has been one of the best professional experiences I have had in the blockchain industry.
From the very beginning of our NFT Marketplace project until its successful completion, the entire team demonstrated exceptional technical expertise, professionalism, patience, and commitment. Every stage of development was handled with great attention to detail, and every challenge we encountered was approached with a solution-oriented mindset.
Read the full client note
Our project was far from a standard NFT Marketplace. It included custom blockchain architecture, Polygon integration, ERC-721 and ERC-1155 standards, royalty implementation, token-gated access through Masonic Passport, multiple payment methods, marketplace customization, advanced testing, and many unique business requirements. Throughout the entire process, the team consistently delivered high-quality work while maintaining clear communication, transparency, and a strong commitment to excellence.
I would especially like to express my sincere appreciation to Mr. Jeeva, Mr. Bala, Mr. Saravanan, Mr. Veeramani, Mr. Akshay, and the entire development team for their outstanding support, professionalism, responsiveness, and dedication throughout the project. Their technical expertise, patience, and willingness to understand even the most complex business requirements gave us complete confidence during every phase of development.
What impressed me the most was not only their excellent blockchain development skills, but also their ability to understand our vision and transform it into a secure, scalable, and highly professional NFT Marketplace.
For me, Coinsclone is not simply a software development company — they are a trusted long-term technology partner. After successfully completing our NFT Marketplace, we are now preparing to continue our collaboration on the next major phase of the Digital Freemasonry ecosystem, including the development of the ODFT Token and the future MasonicVerse platform.
I highly recommend Coinsclone to anyone looking for a reliable, experienced, and highly professional blockchain development company. They have earned my complete trust and respect, and I sincerely look forward to working with them again on future projects.
Start Your Payment Gateway
Tell us your assets and settlement model and we will respond with a scoped proposal covering architecture, compliance and delivery timeline.
- Working gateway demo with your branding applied
- Settlement and confirmation policy mapped to your assets
- NDA signed before technical discussion
Request received
A solution architect will reply within one business day with a scoped proposal and demo link.
Frequently Asked Questions
What is a CoinPayments clone script?
Ready-to-deploy software for a crypto payment processor: hosted checkout and plugins for merchants, per-invoice deposit addresses, on-chain confirmation tracking, settlement in the merchant chosen asset, and mass payout tooling.
How are deposit addresses managed?
Through HD wallet derivation, so every invoice gets a fresh address derived from a single seed, with automated sweeping into treasury wallets. This keeps attribution unambiguous without generating thousands of unrelated keys to back up.
What happens if a customer underpays or overpays?
That is a policy decision we make configurable: tolerance thresholds for small differences, defined handling for partial payments, and automatic refunds or crediting for overpayments. Without explicit rules these become manual decisions at the worst possible moment.
How do you prevent double-crediting after a chain reorganisation?
By setting a confirmation depth per chain and only crediting a merchant once a payment is final, then reconciling continuously. Crediting on first sight is the fastest way to lose money on a reorg-prone chain.
How is dust handled?
With fee-aware sweeping: consolidation thresholds and batched transactions so tiny deposits are gathered economically rather than swept at a loss. On some chains this means holding until batching makes sense.
Can merchants settle in fiat?
Yes, through licensed conversion and banking partners, with rate locking on the quote. Fiat settlement widens merchant appeal considerably and brings licensing, banking and reporting requirements your counsel will need to scope.
How are webhooks made reliable?
With signed payloads, retries with backoff, idempotency keys and a delivery log merchants can inspect and replay. Duplicate or missed notifications cause double-fulfilled or unfulfilled orders, which is the most common merchant complaint about gateways.
Do I need a licence to run a payment gateway?
Often yes, depending on whether you take custody of funds, convert to fiat, and where your merchants are. Non-custodial forwarding models carry less exposure than settlement models. Your counsel determines this; we implement the controls their advice requires.
Can the gateway handle mass payouts?
Yes, through API or CSV submission with batching for fee efficiency, approval workflows with role-based limits, address whitelisting and full audit logging. This is essential for marketplaces and gaming operators.
Which assets and chains can be supported?
Bitcoin, Ethereum, Litecoin, Tron, BNB Chain, Solana, Polygon, Dogecoin and stablecoins such as USDT and USDC, with Lightning where small fast payments matter. Each non-EVM chain is a distinct integration.
How does the gateway make money?
Transaction fees, conversion spread, payout and settlement fees, subscription tiers, premium features and white label licensing. Merchants compare headline rates directly, so conversion spread is usually the more defensible margin.
How long does it take to build?
A white label gateway launches in 4 to 6 weeks. A standard custom gateway takes 8 to 12 weeks. Adding payouts and auto-conversion takes 3 to 5 months, and full fiat settlement with a compliance stack takes 5 to 9 months.
Estimate Your Build
Pick a scope and the extras you need. Merchant onboarding, plugin coverage and fiat payout rails usually cost more calendar time than the payment engine itself.
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Ranges assume decisions arrive on time. Licensing, banking and third-party audits run on their own schedules and we plan around them rather than inside them.
Get This Scoped ProperlyReady to Launch Your Payment Gateway?
Share your assets and settlement model and receive a scoped proposal covering ledger architecture, compliance and delivery timeline.