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Coriunder

The fiat side of a crypto business, handled.

Coriunder gives crypto platforms a unified payment infrastructure - fiat acquiring with high-risk routing, plus crypto accept / buy / sell / transfer via integrated providers.

Buy BTCApproved
VISA
You pay
€500.00
Card •••• 4242
B
You receive
0.0081 BTC
at €61,720
Acquirer A→Acquirer Bcascade
KYC · Sumsub verifiedAML 18 · Low
B
BTC / EUR
Price from crypto provider
1H1D1W
Bought at €61,720
00:0012:00Now
Customer wallet
bc1q •••• 7x3k
Delivered
+0.0081 BTC
Transfer via crypto providerSent
Fiat in by card · crypto out to the wallet AML on fiat and crypto
CardaqCardaq
Banking CircleBanking Circle
The Bank of LondonThe Bank of London
CodegoCodego
CrassulaCrassula
Fintech LabFintech Lab

For Crypto Platforms: fiat acquiring + crypto on-ramps in one console

Fiat acquiring for on-ramps and off-ramps, plus crypto wallets through the providers you connect - in one console.

Level 1

PCI DSS certified

Fiat + crypto

Balances side by side

Every flow

AML scoring

Built for the platforms straddling fiat and crypto

Crypto platforms need both - fiat rails for on-ramps and off-ramps, plus crypto orchestration for the on-chain side. Coriunder runs both from one console.

1User buys crypto with a cardHosted cashier
Buy BTC
€500.00 ≈ 0.0081 BTC
3-D Secure
•••• •••• •••• 4242
09/28
Buy
2Card data is tokenised in our scope
4242 •••• •••• 4242
→
tok_c7R2·x91B
3Your compliance scopeAudited annually by a QSA
Hosted page or cashierSAQ-A
Server-to-server APISAQ-D

PCI DSS Level 1

Coriunder is PCI DSS Level 1 certified and audited annually by a Qualified Security Assessor. Card data is captured, tokenised and stored inside our scope. Clients using the hosted payment page or cashier typically qualify for SAQ-A; server-to-server integrations require SAQ-D.

See the certifications
1Fiat on-ramp attemptEUR · Visa
₿
Buy BTC · €500.00
Visa •••• 4242 · user from DE
On-ramp
2Primary acquirer declinesCascade starts
Acquirer APrimary routeDeclined
Acquirer BCascade step 1Approved
Acquirer CCascade step 2Not needed
3User gets their coinsNo retry by the user
€500.00 approved on Acquirer B
0.0081 BTC credited to wallet
Done

High-risk routing

High-risk fiat acquiring with cascade across multiple acquirers willing to underwrite crypto on-ramps. On decline, retry on the next acquirer automatically.

See acquiring orchestration
1KYC routed to a providerBy your rules
SumsubRouted
GetIDStandby
ShuftiProStandby
TruliooStandby
2AML score on every flowFiat and crypto
Withdraw 1.2 ETHto external walletScore 72
0 · Low100 · High
3Decision applied
Deposit €200 · SEPAScore 18Auto-approve
Withdraw 1.2 ETHScore 72Queued
Buy €4,900 · CardScore 91Blocked

KYC and AML

Crypto platforms face stricter KYC and AML requirements. Coriunder routes KYC through Sumsub, GetID, ShuftiPro, Trulioo and others - and applies AML scoring on every fiat and crypto flow.

See KYC integrations
1User context is readAutomatically
NetherlandsEURRisk: lowTop-up €250
2Fiat and crypto, ranked together
iD
iDEAL#1 in NL
VISA
Card#2
BTC
Bitcoin#3
USDT
USDT#4
SEPA
SEPA#5
3One balance, any methodJust now
Account balance
€1,840.00
+€250 · iDEAL

Cashier for crypto and fiat

A single hosted cashier that surfaces fiat and crypto methods together, ranked by user country, currency and risk score.

See the cashier
1Your domain and logoCustomer portal
account.lumenx.io/wallet
2Your colours in the cashier
LX
LumenX
Logo, colours, fonts, copy
3Statements on your templateNo Coriunder logo
LXLumenX statementOctober 2026
Card deposit12 Oct€500.00
Sell 0.01 BTC18 Oct€612.40

White-label everything

Customer portal, cashier and statements branded for your platform. The end-user never sees Coriunder.

See crypto
How it works

How crypto platforms use Coriunder

1

On-ramp

User funds an account via card, Open Banking or crypto deposit. Coriunder routes to the right acquirer and converts via the connected liquidity provider.

2

Off-ramp

Withdrawals to bank account or external crypto wallet, with AML scoring on every payout.

3

Reconcile

Automated reconciliation across fiat acquirers, crypto liquidity providers and bank accounts - into a single ledger.

Frequently asked questions

Still have a question?

Ready to run your crypto platform on Coriunder?

Talk to our team - we'll scope your fiat acquirer mix, crypto liquidity providers and KYC/AML flows.

Security and compliance documentation is available under NDA. Talk to our team to request access.