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Cross River Bank

Cross River Bank is an FDIC-insured chartered bank that operates as a sponsor bank and banking-as-a-service (BaaS) provider for fintech companies, embedded-finance platforms, and crypto / stablecoin issuers. The product surface is delivered through the Cross River Operating System (COS) - a proprietary API-driven banking core with real-time subledger generation - and includes accounts, ACH and Same-Day ACH, RTP and FedNow instant payments, wires, card issuing and processing (Visa / Mastercard), merchant acquiring, stablecoin rails, consumer and SMB lending, and capital markets / loan participation services. API access is gated behind a partner onboarding process; documentation and sandbox are at docs.crossriver.com.

8 APIs 0 Features
BankingBanking as a ServiceSponsor BankEmbedded FinancePaymentsACHRTPFedNowCardsLendingStablecoin

Cross River Bank publishes 8 APIs on the APIs.io network. Tagged areas include Banking, Banking as a Service, Sponsor Bank, Embedded Finance, and Payments.

Cross River Bank’s developer surface includes documentation and 5 more developer resources.

APIs

Cross River Operating System (COS)

Proprietary API-driven banking core that underpins all Cross River partner programs. Provides a real-time subledger, KYC / KYB, compliance workflows, accounts, payments, cards, ...

Cross River Accounts API

REST API for opening and managing FDIC-insured deposit accounts (checking, savings, purpose-built program accounts) on behalf of partner-program end users. Includes balances, st...

Cross River Payments API

Unified payments API covering ACH and Same-Day ACH, FedNow and RTP instant payments, domestic and international wires, and book transfers. Includes payment origination, returns,...

Cross River Card Payments API

Card issuing and processing API spanning Visa, Mastercard, and regional networks. Supports debit, credit, and prepaid programs, virtual / physical card lifecycle, authorizations...

Cross River Lending / Loan Funding API

Marketplace-lending and loan-origination API used by fintech lending partners for consumer and SMB loan origination, underwriting, funding, servicing, participation, and securit...

Cross River Stablecoin Payments

Money-movement API supporting stablecoin pay-ins and pay-outs across fiat rails for crypto and Web3 partners, with the bank serving as the regulated on/off-ramp.

Cross River Webhooks

Outbound webhook events covering account, payment, card, and lending lifecycle changes. Endpoints and signing secrets are configured per partner program.

Cross River Postman Collection

Postman collection of the COS APIs distributed to onboarded partners to accelerate sandbox testing and integration work.

Resources

🔗
Website
Website
🔗
Documentation
Documentation
🌐
PartnerPortal
PartnerPortal
🔗
COS
COS
🔗
ContactSales
ContactSales
🔗
LinkedIn
LinkedIn

Sources

apis.yml Raw ↑
aid: cross-river-bank
url: https://raw.githubusercontent.com/api-evangelist/cross-river-bank/refs/heads/main/apis.yml
name: Cross River Bank
kind: company
description: >-
  Cross River Bank is an FDIC-insured chartered bank that operates as a
  sponsor bank and banking-as-a-service (BaaS) provider for fintech
  companies, embedded-finance platforms, and crypto / stablecoin issuers. The
  product surface is delivered through the Cross River Operating System
  (COS) - a proprietary API-driven banking core with real-time subledger
  generation - and includes accounts, ACH and Same-Day ACH, RTP and FedNow
  instant payments, wires, card issuing and processing (Visa / Mastercard),
  merchant acquiring, stablecoin rails, consumer and SMB lending,
  and capital markets / loan participation services. API access is gated
  behind a partner onboarding process; documentation and sandbox are at
  docs.crossriver.com.
image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
tags:
  - Banking
  - Banking as a Service
  - Sponsor Bank
  - Embedded Finance
  - Payments
  - ACH
  - RTP
  - FedNow
  - Cards
  - Lending
  - Stablecoin
created: '2026-05-23'
modified: '2026-05-23'
specificationVersion: '0.19'
apis:
  - aid: cross-river-bank:cos
    name: Cross River Operating System (COS)
    description: >-
      Proprietary API-driven banking core that underpins all Cross River
      partner programs. Provides a real-time subledger, KYC / KYB,
      compliance workflows, accounts, payments, cards, and lending primitives
      behind a unified REST API surface. Access is granted to onboarded
      partners only.
    humanURL: https://www.crossriver.com/cos
    baseURL: gated-partner-access
    tags:
      - Core Banking
      - Subledger
      - Platform
    properties:
      - type: Documentation
        url: https://docs.crossriver.com
  - aid: cross-river-bank:accounts-api
    name: Cross River Accounts API
    description: >-
      REST API for opening and managing FDIC-insured deposit accounts
      (checking, savings, purpose-built program accounts) on behalf of
      partner-program end users. Includes balances, statements, holds, and
      account-level controls.
    humanURL: https://docs.crossriver.com
    baseURL: gated-partner-access
    tags:
      - Accounts
      - Deposits
      - FDIC
    properties:
      - type: Documentation
        url: https://docs.crossriver.com
  - aid: cross-river-bank:payments-api
    name: Cross River Payments API
    description: >-
      Unified payments API covering ACH and Same-Day ACH, FedNow and RTP
      instant payments, domestic and international wires, and book transfers.
      Includes payment origination, returns, and reporting.
    humanURL: https://docs.crossriver.com
    baseURL: gated-partner-access
    tags:
      - Payments
      - ACH
      - RTP
      - FedNow
      - Wire
    properties:
      - type: Documentation
        url: https://docs.crossriver.com
  - aid: cross-river-bank:card-payments-api
    name: Cross River Card Payments API
    description: >-
      Card issuing and processing API spanning Visa, Mastercard, and regional
      networks. Supports debit, credit, and prepaid programs, virtual / physical
      card lifecycle, authorizations, settlement, and merchant acquiring.
    humanURL: https://docs.crossriver.com
    baseURL: gated-partner-access
    tags:
      - Cards
      - Issuing
      - Acquiring
      - Visa
      - Mastercard
    properties:
      - type: Documentation
        url: https://docs.crossriver.com
  - aid: cross-river-bank:lending-api
    name: Cross River Lending / Loan Funding API
    description: >-
      Marketplace-lending and loan-origination API used by fintech lending
      partners for consumer and SMB loan origination, underwriting, funding,
      servicing, participation, and securitization.
    humanURL: https://docs.crossriver.com
    baseURL: gated-partner-access
    tags:
      - Lending
      - Origination
      - Loans
      - Marketplace Lending
    properties:
      - type: Documentation
        url: https://docs.crossriver.com
  - aid: cross-river-bank:stablecoin
    name: Cross River Stablecoin Payments
    description: >-
      Money-movement API supporting stablecoin pay-ins and pay-outs across
      fiat rails for crypto and Web3 partners, with the bank serving as the
      regulated on/off-ramp.
    humanURL: https://www.crossriver.com/stablecoin
    baseURL: gated-partner-access
    tags:
      - Stablecoin
      - Crypto
      - Pay-In
      - Pay-Out
    properties:
      - type: Documentation
        url: https://docs.crossriver.com
  - aid: cross-river-bank:webhooks
    name: Cross River Webhooks
    description: >-
      Outbound webhook events covering account, payment, card, and lending
      lifecycle changes. Endpoints and signing secrets are configured per
      partner program.
    humanURL: https://docs.crossriver.com
    baseURL: customer-configured
    tags:
      - Webhooks
      - Events
    properties:
      - type: Documentation
        url: https://docs.crossriver.com
  - aid: cross-river-bank:postman
    name: Cross River Postman Collection
    description: >-
      Postman collection of the COS APIs distributed to onboarded partners to
      accelerate sandbox testing and integration work.
    humanURL: https://docs.crossriver.com
    baseURL: gated-partner-access
    tags:
      - Postman
      - Tooling
      - Sandbox
    properties:
      - type: Documentation
        url: https://docs.crossriver.com
common:
  - type: Website
    url: https://www.crossriver.com/
  - type: Documentation
    url: https://docs.crossriver.com/
  - type: PartnerPortal
    url: https://www.crossriver.com/partners
  - type: COS
    url: https://www.crossriver.com/cos
  - type: ContactSales
    url: https://www.crossriver.com/contact-us
  - type: LinkedIn
    url: https://www.linkedin.com/company/cross-river-bank
integrations:
  - name: Visa
  - name: Mastercard
  - name: FedNow
  - name: The Clearing House (RTP)
  - name: NACHA (ACH)
  - name: Fedwire
maintainers:
  - FN: Kin Lane
    email: [email protected]