Q2

Q2 Holdings is a financial services software company that provides digital banking, lending, and embedded finance solutions to banks, credit unions, and fintechs. Its embedded finance platform, Helix by Q2 (formerly CorePro / Cambr), exposes a REST API that lets developers incorporate real, FDIC-insured savings and checking accounts, cards, transfers, and ACH into their own applications. The Helix API covers account, customer, card, external-account, transfer, transaction, statement, and program management, with a real-time Events Bus, SFTP batch files, and an administrative web application. Q2 serves over 1,000 financial institutions and 10M+ digital banking end users.

Q2 publishes 1 API on the APIs.io network. Tagged areas include Company, Financial Services, Banking, Embedded Finance, and Banking as a Service.

The Q2 catalog on APIs.io includes 1 event-driven AsyncAPI specification.

Q2’s developer surface includes documentation, API reference, getting-started guide, support, engineering blog, authentication, and 11 more developer resources.

🌐 Visit website 📡 Source on GitHub

36.9/100 thin ▬ flat Agent 45/100 agent ready Full breakdown ↓
scored 2026-07-28 · rubric v0.5

AccessSelf serve

1 APIs 1 MCP Servers

CompanyFinancial ServicesBankingEmbedded FinanceBanking as a ServiceFinTechDigital BankingCardsPaymentsACHFDIC

Kin Score

Kin Score How this is scored →
scored 2026-07-28 · rubric v0.5

Composite quality — 36.9/100 · thin

Contract Quality 5.7 / 25

Developer Ergonomics 13.5 / 20

Commercial Clarity 2.1 / 20

Operational Transparency 4.4 / 13

Governance 0.0 / 12

Discoverability 9.3 / 10

Agent readiness — 45/100 · agent ready

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 15

MCP Server 12 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 7 / 7

Typed Event Surface 6 / 6

Agent Skills 5 / 5

Well-Known Catalog 4 / 4

Consent & Bot Identity 3 / 3

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/q2: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 1

Individual APIs this provider publishes, each with its own machine-readable definition.

Helix by Q2 API

The Helix by Q2 REST API lets developers incorporate real FDIC-insured savings and/or checking accounts into their applications, including accounts, customers (individual and bu...

MCP Servers 1

Model Context Protocol servers that expose these APIs to AI agents.

q2-mcp.yml

MCP SERVER

Rate Limits 1

Documented rate limits and quota policies.

Get Started 2

Portal, sign-up, and the first successful call

DeveloperPortal

DeveloperPortal

GettingStarted

GettingStarted

Documentation 2

Reference material describing how the API behaves

Documentation

Documentation

APIReference

APIReference

Agent Surfaces 3

MCP servers, agent skills, and machine-readable catalogs

WellKnown

WellKnown

AgentSkill

AgentSkill

MCPServer

MCPServer

Design & Contract 1

Pagination, idempotency, versioning, errors, and events

Webhooks

Webhooks

Access & Security 5

Authentication, authorization, and security posture

Security

Security

Authentication

Authentication

SecurityTxt

SecurityTxt

VulnerabilityDisclosure

VulnerabilityDisclosure

DomainSecurity

DomainSecurity

Operate 2

Status, limits, changes, and where to get help

Support

Support

StatusPage

StatusPage

Commercial 1

Pricing, plans, and the legal terms of use

PrivacyPolicy

PrivacyPolicy

Company 1

The organization behind the API

Blog

Blog

Source (apis.yml)

aid: q2
accessModel:
  pricing: unknown
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: Self-serve signup
  confidence: medium
  source:
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/q2.png
name: Q2
description: Q2 Holdings is a financial services software company that provides digital banking, lending, and embedded finance
  solutions to banks, credit unions, and fintechs. Its embedded finance platform, Helix by Q2 (formerly CorePro / Cambr),
  exposes a REST API that lets developers incorporate real, FDIC-insured savings and checking accounts, cards, transfers,
  and ACH into their own applications. The Helix API covers account, customer, card, external-account, transfer, transaction,
  statement, and program management, with a real-time Events Bus, SFTP batch files, and an administrative web application.
  Q2 serves over 1,000 financial institutions and 10M+ digital banking end users.
url: https://raw.githubusercontent.com/api-evangelist/q2/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- battery-ventures
- gv
x-tier: profiled
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-20'
tags:
- Company
- Financial Services
- Banking
- Embedded Finance
- Banking as a Service
- FinTech
- Digital Banking
- Cards
- Payments
- ACH
- FDIC
apis:
- name: Helix by Q2 API
  description: The Helix by Q2 REST API lets developers incorporate real FDIC-insured savings and/or checking accounts into
    their applications, including accounts, customers (individual and business), cards, card controls, external accounts,
    transfers, ACH, wires, transactions, statements, fees, and programs. Authentication is HTTP Basic (API Key + Secret).
    A real-time Events Bus delivers account, card, check, and fraud events. JSON only.
  humanURL: https://docs.helix.q2.com
  baseURL: https://api.helix.q2.com
  tags:
  - Banking
  - Embedded Finance
  - Accounts
  - Cards
  - ACH
  - Transfers
  properties:
  - type: Documentation
    url: https://docs.helix.q2.com
  - type: APIReference
    url: https://docs.helix.q2.com/reference
  - type: Quickstart
    url: https://docs.helix.q2.com/reference/quickstart
  - type: Authentication
    url: authentication/q2-authentication.yml
  - type: RateLimits
    url: rate-limits/q2-rate-limits.yml
  - type: ErrorCatalog
    url: errors/q2-error-codes.yml
  - type: Sandbox
    url: sandbox/q2-sandbox.yml
  - type: Conventions
    url: conventions/q2-conventions.yml
  - type: Lifecycle
    url: lifecycle/q2-lifecycle.yml
  - type: DataModel
    url: data-model/q2-data-model.yml
  - type: Conformance
    url: conformance/q2-conformance.yml
  - type: Webhooks
    url: asyncapi/q2-events-webhooks.yml
  - type: MCPServer
    url: mcp/q2-mcp.yml
  - type: LLMsTxt
    url: llms/q2-llms.txt
common:
- type: DeveloperPortal
  url: https://helix.q2.com
- type: Documentation
  url: https://docs.helix.q2.com
- type: APIReference
  url: https://docs.helix.q2.com/reference
- type: GettingStarted
  url: https://docs.helix.q2.com/reference/quickstart
- type: Support
  url: https://helix.q2.com/contact
- type: Blog
  url: https://www.q2.com/blog
- type: StatusPage
  url: https://status.helix.q2.com
- type: PrivacyPolicy
  url: https://www.q2.com/privacy-policy
- type: Security
  url: https://www.q2.com/security-vulnerabilities-reporting
- type: Authentication
  url: authentication/q2-authentication.yml
- type: WellKnown
  url: well-known/q2-well-known.yml
- type: SecurityTxt
  url: well-known/q2-security.txt
- type: VulnerabilityDisclosure
  url: security/q2-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/q2-domain-security.yml
- type: Webhooks
  url: asyncapi/q2-events-webhooks.yml
- type: AgentSkill
  url: skills/_index.yml
- type: MCPServer
  url: mcp/q2-mcp.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
x-enrichment:
  date: '2026-07-20'
  status: enriched
  artifacts_added: 16
  pass: local-v1

Q2

Kin Score

APIs 1

Helix by Q2 API

MCP Servers 1

q2-mcp.yml

Rate Limits 1

Q2 Rate Limits

Event Specifications 1

Q2 Events Webhooks

Security Posture 3

Q2 Authentication

Q2 Domain Security

Q2 Vulnerability Disclosure

Resources