Crypto infrastructure
Custody, MPC wallets, nodes and blockchain APIs.
0xProcessing
0xProcessing is a crypto payment gateway for online merchants, aimed at high-load iGaming, betting and Forex traffic. Merchants accept cryptocurrencies and…
B2BINPAY
B2BINPAY is a European crypto processing and enterprise wallet platform for brokers, exchanges and merchants, founded in 2017 and part of the B2Broker…
Banxa
Banxa is fiat-to-crypto on-ramp and off-ramp infrastructure for wallets, exchanges, fintechs and other platforms. It is a publicly listed company (TSXV: BNXA)…
BitPay
BitPay is a crypto payment processor for businesses and one of the oldest in the field: it states that it has operated since 2011 and is headquartered in…
Bridge
Bridge is stablecoin infrastructure that companies embed in their own apps. The Bridge stablecoin API lets them accept, hold and convert funds, move money…
BVNK
BVNK is a stablecoin and fiat payment infrastructure provider founded in 2021. Businesses, fintech platforms and payment partners use it to accept, send, hold…
Circle
Circle is the issuer of the USDC and EURC stablecoins and the developer of institutional settlement infrastructure built around them. Founded in 2013, it is…
Confirmo
Confirmo is a crypto payment gateway and mass-payout system from Prague, operating since 2014. Its Irish entity, Confirmo Limited, is registered at Percy…
Mercuryo
Mercuryo is a Web3 payment infrastructure group founded in 2018, with offices in London and Limassol. It provides embedded on/off-ramp and payment services for…
MoonPay
MoonPay is a fiat-to-crypto provider founded in 2019 with offices in Miami and London. Beyond its retail on/off-ramp, it runs an Enterprise line, a stablecoin…
NOWPayments
NOWPayments is a crypto payment service for businesses supporting stablecoins and hundreds of digital assets. It was founded in 2019 and is based in Amsterdam…
Ramp Network
Ramp Network is fiat-to-crypto infrastructure founded in 2017, with offices in London and Warsaw. It lets individuals buy and sell cryptocurrency and lets…
Simplex
Simplex is a fiat-to-crypto on-ramp and payment platform, part of Nuvei. Users buy crypto with fiat, and partners such as exchanges, wallets and fintechs embed…
Transak
Transak is on-ramp and off-ramp infrastructure for fintechs, wallets, money transfer and payroll platforms, and Web3 projects. Founded in 2019, it has offices…
Triple-A
Triple-A is a stablecoin payment infrastructure provider for businesses, with presence in Singapore, France and the United States. The company states that it…
Unlimit
Unlimit (formerly Unlimint) is a London-headquartered payment and fintech infrastructure group founded in 2009. It combines its own direct acquiring on several…
Wert
Wert (Wert.io) is an embedded card checkout and fiat on-ramp for Web3 products, tokens and NFTs. A project integrates the payment form, the customer pays by…
BitGo
BitGo is an institutional digital asset platform founded in 2013 and headquartered in the United States. Its US entity BitGo Bank & Trust, National…
Related subsections
Infrastructure for crypto payments
Crypto processing, exchangers, OTC desks and P2P operators all need the same plumbing: wallets, key management, blockchain access and reliable deposit detection. This subsection lists crypto infrastructure providers that sell this layer as a service, so a payment company does not have to run its own nodes and signing systems.
Main product types
- Custody: safekeeping of client and treasury assets, from fully custodial to self-custody tooling.
- MPC wallets: keys split between parties so no single device holds a full private key; policy engines for approvals.
- Wallet as a service: API to create deposit addresses per user, track incoming funds and sweep to hot or cold wallets.
- Node and RPC providers: access to blockchains without running your own infrastructure.
- Crypto processing API: invoices, payment links, auto-conversion and payouts in USDT and other coins — the base for a crypto payment gateway.
What to check
- Supported networks and tokens; for stablecoins, TRON and Ethereum coverage plus cheaper L2 options.
- Security model: MPC or HSM, audits, insurance, incident history.
- Fees: per address, per transaction, per volume or flat platform fee.
- Built-in KYT and AML screening of incoming funds.
- Regulatory status of the vendor and whether you need your own VASP licence.
- Reliability: confirmations policy, reorg handling, uptime track record.
Where it fits
Infrastructure vendors are technology, not counterparties for exchange. For converting crypto to fiat look at crypto-fiat exchangers, OTC desks and stablecoin settlement; for banking a crypto business, crypto-friendly banks.
Filter by GEO, review published terms in Offers or post a request describing the networks and volumes you need.