Can you support FCA-adjacent compliance requirements for a London fintech?

Yes, we build the audit logging, reporting, and consent-flow infrastructure UK compliance teams commonly need, working alongside your FCA-facing legal counsel.

Do you support UK Open Banking integrations?

Yes, we build account information and payment initiation APIs aligned to the UK Open Banking standard for banks, fintechs, and payment platforms.

Can you help a crypto business meet FCA financial promotion requirements technically?

We build the risk warnings, disclosures, and audit logging patterns commonly expected alongside FCA-compliant marketing, working alongside your UK compliance counsel.

Which cryptocurrencies can the gateway accept?

Bitcoin, Ethereum and major stablecoins by default; additional chains can be added based on your markets.

How long does integration take?

A standard stablecoin payment gateway typically takes 6–10 weeks depending on the number of chains and compliance checks.

Can this integrate with our existing checkout?

Yes, via REST APIs and webhooks designed to slot into existing checkout, ERP and accounting systems.

Is the gateway PCI-DSS aligned?

Where fiat rails are involved, we follow PCI-DSS-aligned handling practices and recommend a certified payment partner.

Payments · London

Crypto Payment Gateway & Stablecoin API Integration in London

Cross-border settlement through banks is slow and expensive. Hurain Technologies builds multi-chain crypto payment gateways and stablecoin APIs that let businesses accept Bitcoin, Ethereum, USDT, USDC and other digital currencies directly, settling in minutes instead of days with instant conversion and built-in AML screening. In London, that means building to the technical expectations of the local market.

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London Market Landscape

Why crypto payment gateway is critical in London

London hosts one of the world's densest concentrations of licensed payment institutions and e-money issuers, many headquartered around Canary Wharf and the City.
The FCA's presence in London means fintech and crypto-asset firms here operate under some of the most closely observed regulatory scrutiny globally.
London's overlap with both US East Coast morning hours and Asian market close makes it a natural hub for platforms needing near-24-hour operational coverage.

The Challenge

Problems we see teams struggling with

Cross-border payment friction

Traditional wires are slow, expensive, and limited to banking-friendly markets.

Limited market access

Card and wire infrastructure doesn't reach unbanked regions where crypto provides a clear alternative.

No unified crypto/fiat checkout

Offering crypto alongside traditional payment methods requires disconnected integrations.

Compliance & settlement risk

Customer balances must be screened and settled reliably without custody overhead.

Volatility exposure from holding crypto

Businesses that don't convert incoming crypto to fiat quickly take on price risk they never intended to carry.

Reconciliation complexity across chains

Accepting payments across multiple blockchains without a unified settlement layer turns month-end reconciliation into a multi-system nightmare.

Our Approach

How we deliver crypto payment gateway in London

Multi-chain gateway

Accept Bitcoin, Ethereum, stablecoins across Ethereum, BNB Chain, Tron, Polygon and more from a single integration.

Stablecoin API

Purpose-built endpoints for USDT, USDC, PYUSD and DAI transfers with automatic fiat conversion.

Instant settlement

Real-time to daily batch settlement, configurable based on your treasury and liquidity needs.

AML/fraud screening

Every transaction screened against sanctions lists and on-chain risk signals before funds release.

Hosted checkout

Drop-in widgets, payment links and e-commerce plugins so you don't build UI from scratch.

Automatic volatility hedging

Configurable auto-conversion to fiat or stablecoin on receipt, so your business isn't carrying price risk on volatile assets it never intended to hold.

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