Chain

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COMPANY detail

Chain
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Chain

Company Overview.

Year Founded 2014
Status Private
Specialties Payments, API/Dev Tools
Company Size 11-50 Employees
Industry Financial Services
Location Remote-first

Description.

Chain is a blockchain infrastructure company founded in 2014 that builds cryptographic ledgers and cloud infrastructure enabling stablecoin payments at scale. Its core products include the Payments API (stablecoin↔fiat conversion and global payouts), Card Payouts API (off-ramp stablecoins to any Visa or Mastercard via Visa Direct and Mastercard Send), Wallets API (embedded wallet address management across blockchains), and the Onyx blockchain ledger. Chain serves banks, payment providers, fintechs, and regulated platforms with infrastructure covering 200+ countries, 7+ stablecoins (USDC, USDT, DAI, PYUSD, EURC, TUSD, BUSD), 12+ fiat currencies, and 10+ integrated blockchains.

Key Infrastructure.

Stablecoin Payments API
Stablecoin Payments API
Enables enterprises to convert between stablecoins and fiat currencies with bi-directional flows, supporting 7+ stablecoins and 12+ fiat currencies.
Provides direct access to banking rails (ACH, Fedwire, FedNow, SEPA, Faster Payments) for global payouts and funding with real-time settlement and smart routing across the most efficient network paths available.
Card Payouts API
Card Payouts API
Off-ramps stablecoins to fiat and pushes payouts directly to any existing Visa or Mastercard globally via Visa Direct and Mastercard Send.
No card issuance required, funds arrive on recipient cards in seconds across 200+ countries.
Includes real-time FX quotes, webhook lifecycle notifications, and support for 7 stablecoin sources with automated fiat conversion.
Embedded Wallets API
Embedded Wallets API
Provides programmable wallet infrastructure allowing enterprises to assign unlimited wallet addresses across 10+ blockchains to accounts with automated compliance screening.
Supports flexible account structures (pooled, FBO, dedicated enterprise accounts) with immutable on-chain transaction recording via the Onyx blockchain for tamper-proof audit trails.
Onyx Blockchain Ledger
Onyx Blockchain Ledger
Chain's proprietary cryptographic ledger serving as the system of record with double-entry accounting for all financial movements.
Every transaction is recorded on a tamper-proof immutable ledger enabling transparent reconciliation, real-time position tracking, and enterprise-grade audit capabilities across all integrated products and use cases.
Chain Direct Infrastructure
Chain Direct Infrastructure
A unified integration layer connecting enterprise clients directly to major banking and card networks (ACH, Fedwire, FedNow, SEPA, Faster Payments, Visa Direct, Mastercard Send) without layered intermediaries.
Provides access to Chain's partner network of regulatory licenses, lifting compliance and connectivity burdens so enterprises can focus on product.
Smart Contract Workflow Automation
Smart Contract Workflow Automation
Enables banks and fintechs to automate counterparty onboarding, account authentication, approval rules, compliance checks, and reconciliation through blockchain-enabled smart contract workflows.
Supports configurable policy logic, role-based access controls, and immutable audit logs with integrated KYC/KYB, AML, and sanctions screening built directly into the infrastructure.

Additional Features.

Bi-Directional Stablecoin/Fiat Flows
Enables seamless value movement in either direction, pay in stablecoins while recipients receive fiat via bank transfer or card, or accept fiat and settle in stablecoins.
Real-Time FX Rate Quotes
Provides instant pricing quotes before every card payout transaction, showing exact FX rate, processing fee, stablecoin debit amount, and total cost with expiration timestamps.
24/7 Always-On Settlement
Eliminates traditional banking-hour delays by processing transactions continuously across borders and blockchains, treating stablecoin transfers with bank-like account and routing logic.
Enterprise Account Structures
Supports pooled accounts, FBO (For Benefit Of) accounts, and dedicated enterprise account configurations with granular attribution and flexible fund management across multiple entities and currencies.
Developer Sandbox Environment
Provides a full sandbox at sandbox.chain.com/v1 for development and testing alongside production API (api.chain.com/v1), with official SDKs for Node.js and Python and comprehensive documentation.
Annual Third-Party Security Audits
Maintains enterprise security posture with annual independent security assessments including thorough code analysis, bi-annual penetration testing, and monthly vulnerability scanning of all systems and applications.

General Questions.

Chain provides stablecoin infrastructure APIs enabling enterprises to convert between stablecoins and fiat currencies, push payouts to any Visa or Mastercard globally, manage embedded wallets across blockchains, and record transactions on an immutable ledger. It is a B2B non-custodial infrastructure layer — not a consumer-facing product.

Banks, payment providers, fintechs, and regulated platforms building payment, wallet, lending, and card products. Notable clients and partners include Visa, Nasdaq, Citigroup, Fiserv, State Street, MUFG, Tiffany & Co., New England Patriots, and Miami Heat.

Chain operates through a partner network of regulatory licenses rather than holding licenses directly. Specific license names and regulators are not publicly disclosed. The company is registered in the British Virgin Islands with that jurisdiction governing its contractual agreements.

Chain supports 10+ integrated blockchains including its own Onyx blockchain. Stablecoin support covers USDC, USDT, DAI, PYUSD, EURC, TUSD, and BUSD across USD, EUR, GBP, and 9+ additional fiat currencies.

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